<?php

function write_post() {
	$result = wp_write_post();
	if( is_wp_error( $result ) )
		wp_die( $result->get_error_message() );
	else
		return $result;
}

// Creates a new post from the "Write Post" form using $_POST information.
function wp_write_post() {
	global $user_ID;

	if ( 'page' == $_POST['post_type'] ) {
		if ( !current_user_can( 'edit_pages' ) )
			return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this blog.' ) );
	} else {
		if ( !current_user_can( 'edit_posts' ) )
			return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this blog.' ) );
	}


	// Check for autosave collisions
	$temp_id = false;
	if ( isset($_POST['temp_ID']) ) {
		$temp_id = (int) $_POST['temp_ID'];
		if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
			$draft_ids = array();
		foreach ( $draft_ids as $temp => $real )
			if ( time() + $temp > 86400 ) // 1 day: $temp is equal to -1 * time( then )
				unset($draft_ids[$temp]);

		if ( isset($draft_ids[$temp_id]) ) { // Edit, don't write
			$_POST['post_ID'] = $draft_ids[$temp_id];
			unset($_POST['temp_ID']);
			update_user_option( $user_ID, 'autosave_draft_ids', $draft_ids );
			return edit_post();
		}
	}

	// Rename.
	$_POST['post_content'] = $_POST['content'];
	$_POST['post_excerpt'] = $_POST['excerpt'];
	$_POST['post_parent'] = $_POST['parent_id'];
	$_POST['to_ping'] = $_POST['trackback_url'];

	if (!empty ( $_POST['post_author_override'] ) ) {
		$_POST['post_author'] = (int) $_POST['post_author_override'];
	} else {
		if (!empty ( $_POST['post_author'] ) ) {
			$_POST['post_author'] = (int) $_POST['post_author'];
		} else {
			$_POST['post_author'] = (int) $_POST['user_ID'];
		}

	}

	if ( $_POST['post_author'] != $_POST['user_ID'] ) {
		if ( 'page' == $_POST['post_type'] ) {
			if ( !current_user_can( 'edit_others_pages' ) )
				return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
		} else {
			if ( !current_user_can( 'edit_others_posts' ) )
				return new WP_Error( 'edit_others_posts', __( 'You are not allowed to post as this user.' ) );

		}
	}

	// What to do based on which button they pressed
	if ('' != $_POST['saveasdraft'] )
		$_POST['post_status'] = 'draft';
	if ('' != $_POST['saveasprivate'] )
		$_POST['post_status'] = 'private';
	if ('' != $_POST['publish'] )
		$_POST['post_status'] = 'publish';
	if ('' != $_POST['advanced'] )
		$_POST['post_status'] = 'draft';

	if ( 'page' == $_POST['post_type'] ) {
		if ('publish' == $_POST['post_status'] && !current_user_can( 'publish_pages' ) )
			$_POST['post_status'] = 'draft';
	} else {
		if ('publish' == $_POST['post_status'] && !current_user_can( 'publish_posts' ) )
			$_POST['post_status'] = 'draft';
	}

	if (!isset( $_POST['comment_status'] ))
		$_POST['comment_status'] = 'closed';

	if (!isset( $_POST['ping_status'] ))
		$_POST['ping_status'] = 'closed';

	if (!empty ( $_POST['edit_date'] ) ) {
		$aa = $_POST['aa'];
		$mm = $_POST['mm'];
		$jj = $_POST['jj'];
		$hh = $_POST['hh'];
		$mn = $_POST['mn'];
		$ss = $_POST['ss'];
		$jj = ($jj > 31 ) ? 31 : $jj;
		$hh = ($hh > 23 ) ? $hh -24 : $hh;
		$mn = ($mn > 59 ) ? $mn -60 : $mn;
		$ss = ($ss > 59 ) ? $ss -60 : $ss;
		$_POST['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
		$_POST['post_date_gmt'] = get_gmt_from_date( $_POST['post_date'] );
	}

	// Create the post.
	$post_ID = wp_insert_post( $_POST );

	add_meta( $post_ID );

	// Reunite any orphaned attachments with their parent
	if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
		$draft_ids = array();
	if ( $draft_temp_id = (int) array_search( $post_ID, $draft_ids ) )
		relocate_children( $draft_temp_id, $post_ID );
	if ( $temp_id && $temp_id != $draft_temp_id )
		relocate_children( $temp_id, $post_ID );

	// Update autosave collision detection
	if ( $temp_id ) {
		$draft_ids[$temp_id] = $post_ID;
		update_user_option( $user_ID, 'autosave_draft_ids', $draft_ids );
	}

	// Now that we have an ID we can fix any attachment anchor hrefs
	fix_attachment_links( $post_ID );

	return $post_ID;
}

// Move child posts to a new parent
function relocate_children( $old_ID, $new_ID ) {
	global $wpdb;
	$old_ID = (int) $old_ID;
	$new_ID = (int) $new_ID;
	return $wpdb->query( "UPDATE $wpdb->posts SET post_parent = $new_ID WHERE post_parent = $old_ID" );
}

// Replace hrefs of attachment anchors with up-to-date permalinks.
function fix_attachment_links( $post_ID ) {
	global $wp_rewrite;

	$post = & get_post( $post_ID, ARRAY_A );

	$search = "#<a[^>]+rel=('|\")[^'\"]*attachment[^>]*>#ie";

	// See if we have any rel="attachment" links
	if ( 0 == preg_match_all( $search, $post['post_content'], $anchor_matches, PREG_PATTERN_ORDER ) )
		return;

	$i = 0;
	$search = "#[\s]+rel=(\"|')(.*?)wp-att-(\d+)\\1#i";
	foreach ( $anchor_matches[0] as $anchor ) {
		if ( 0 == preg_match( $search, $anchor, $id_matches ) )
			continue;

		$id = (int) $id_matches[3];

		// While we have the attachment ID, let's adopt any orphans.
		$attachment = & get_post( $id, ARRAY_A );
		if ( ! empty( $attachment) && ! is_object( get_post( $attachment['post_parent'] ) ) ) {
			$attachment['post_parent'] = $post_ID;
			// Escape data pulled from DB.
			$attachment = add_magic_quotes( $attachment);
			wp_update_post( $attachment);
		}

		$post_search[$i] = $anchor;
		$post_replace[$i] = preg_replace( "#href=(\"|')[^'\"]*\\1#e", "stripslashes( 'href=\\1' ).get_attachment_link( $id ).stripslashes( '\\1' )", $anchor );
		++$i;
	}

	$post['post_content'] = str_replace( $post_search, $post_replace, $post['post_content'] );

	// Escape data pulled from DB.
	$post = add_magic_quotes( $post);

	return wp_update_post( $post);
}

// Update an existing post with values provided in $_POST.
function edit_post() {
	global $user_ID;

	$post_ID = (int) $_POST['post_ID'];

	if ( 'page' == $_POST['post_type'] ) {
		if ( !current_user_can( 'edit_page', $post_ID ) )
			wp_die( __('You are not allowed to edit this page.' ));
	} else {
		if ( !current_user_can( 'edit_post', $post_ID ) )
			wp_die( __('You are not allowed to edit this post.' ));
	}

	// Autosave shouldn't save too soon after a real save
	if ( 'autosave' == $_POST['action'] ) {
		$post =& get_post( $post_ID );
		$now = time();
		$then = strtotime($post->post_date_gmt . ' +0000');
		// Keep autosave_interval in sync with autosave-js.php.
		$delta = apply_filters( 'autosave_interval', 120 ) / 2;
		if ( ($now - $then) < $delta )
			return $post_ID;
	}

	// Rename.
	$_POST['ID'] = (int) $_POST['post_ID'];
	$_POST['post_content'] = $_POST['content'];
	$_POST['post_excerpt'] = $_POST['excerpt'];
	$_POST['post_parent'] = $_POST['parent_id'];
	$_POST['to_ping'] = $_POST['trackback_url'];

	if (!empty ( $_POST['post_author_override'] ) ) {
		$_POST['post_author'] = (int) $_POST['post_author_override'];
	} else
		if (!empty ( $_POST['post_author'] ) ) {
			$_POST['post_author'] = (int) $_POST['post_author'];
		} else {
			$_POST['post_author'] = (int) $_POST['user_ID'];
		}

	if ( $_POST['post_author'] != $_POST['user_ID'] ) {
		if ( 'page' == $_POST['post_type'] ) {
			if ( !current_user_can( 'edit_others_pages' ) )
				wp_die( __('You are not allowed to edit pages as this user.' ));
		} else {
			if ( !current_user_can( 'edit_others_posts' ) )
				wp_die( __('You are not allowed to edit posts as this user.' ));

		}
	}

	// What to do based on which button they pressed
	if ('' != $_POST['saveasdraft'] )
		$_POST['post_status'] = 'draft';
	if ('' != $_POST['saveasprivate'] )
		$_POST['post_status'] = 'private';
	if ('' != $_POST['publish'] )
		$_POST['post_status'] = 'publish';
	if ('' != $_POST['advanced'] )
		$_POST['post_status'] = 'draft';

	if ( 'page' == $_POST['post_type'] ) {
		if ('publish' == $_POST['post_status'] && !current_user_can( 'edit_published_pages' ))
			$_POST['post_status'] = 'draft';
	} else {
		if ('publish' == $_POST['post_status'] && !current_user_can( 'edit_published_posts' ))
			$_POST['post_status'] = 'draft';
	}

	if (!isset( $_POST['comment_status'] ))
		$_POST['comment_status'] = 'closed';

	if (!isset( $_POST['ping_status'] ))
		$_POST['ping_status'] = 'closed';

	if (!empty ( $_POST['edit_date'] ) ) {
		$aa = $_POST['aa'];
		$mm = $_POST['mm'];
		$jj = $_POST['jj'];
		$hh = $_POST['hh'];
		$mn = $_POST['mn'];
		$ss = $_POST['ss'];
		$jj = ($jj > 31 ) ? 31 : $jj;
		$hh = ($hh > 23 ) ? $hh -24 : $hh;
		$mn = ($mn > 59 ) ? $mn -60 : $mn;
		$ss = ($ss > 59 ) ? $ss -60 : $ss;
		$_POST['post_date'] = "$aa-$mm-$jj $hh:$mn:$ss";
		$_POST['post_date_gmt'] = get_gmt_from_date( "$aa-$mm-$jj $hh:$mn:$ss" );
	}

	// Meta Stuff
	if ( $_POST['meta'] ) {
		foreach ( $_POST['meta'] as $key => $value )
			update_meta( $key, $value['key'], $value['value'] );
	}

	if ( $_POST['deletemeta'] ) {
		foreach ( $_POST['deletemeta'] as $key => $value )
			delete_meta( $key );
	}

	add_meta( $post_ID );

	wp_update_post( $_POST );

	// Reunite any orphaned attachments with their parent
	if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
		$draft_ids = array();
	if ( $draft_temp_id = (int) array_search( $post_ID, $draft_ids ) )
		relocate_children( $draft_temp_id, $post_ID );

	// Now that we have an ID we can fix any attachment anchor hrefs
	fix_attachment_links( $post_ID );

	return $post_ID;
}

function edit_comment() {
	global $user_ID;

	$comment_ID = (int) $_POST['comment_ID'];
	$comment_post_ID = (int) $_POST['comment_post_ID'];

	if (!current_user_can( 'edit_post', $comment_post_ID ))
		wp_die( __('You are not allowed to edit comments on this post, so you cannot edit this comment.' ));

	$_POST['comment_author'] = $_POST['newcomment_author'];
	$_POST['comment_author_email'] = $_POST['newcomment_author_email'];
	$_POST['comment_author_url'] = $_POST['newcomment_author_url'];
	$_POST['comment_approved'] = $_POST['comment_status'];
	$_POST['comment_content'] = $_POST['content'];
	$_POST['comment_ID'] = (int) $_POST['comment_ID'];

	if (!empty ( $_POST['edit_date'] ) ) {
		$aa = $_POST['aa'];
		$mm = $_POST['mm'];
		$jj = $_POST['jj'];
		$hh = $_POST['hh'];
		$mn = $_POST['mn'];
		$ss = $_POST['ss'];
		$jj = ($jj > 31 ) ? 31 : $jj;
		$hh = ($hh > 23 ) ? $hh -24 : $hh;
		$mn = ($mn > 59 ) ? $mn -60 : $mn;
		$ss = ($ss > 59 ) ? $ss -60 : $ss;
		$_POST['comment_date'] = "$aa-$mm-$jj $hh:$mn:$ss";
	}

	wp_update_comment( $_POST);
}

// Get an existing post and format it for editing.
function get_post_to_edit( $id ) {

	$post = get_post( $id );

	$post->post_content = format_to_edit( $post->post_content, user_can_richedit() );
	$post->post_content = apply_filters( 'content_edit_pre', $post->post_content);

	$post->post_excerpt = format_to_edit( $post->post_excerpt);
	$post->post_excerpt = apply_filters( 'excerpt_edit_pre', $post->post_excerpt);

	$post->post_title = format_to_edit( $post->post_title );
	$post->post_title = apply_filters( 'title_edit_pre', $post->post_title );

	$post->post_password = format_to_edit( $post->post_password );

	if ( $post->post_type == 'page' )
		$post->page_template = get_post_meta( $id, '_wp_page_template', true );

	return $post;
}

// Default post information to use when populating the "Write Post" form.
function get_default_post_to_edit() {
	if ( !empty( $_REQUEST['post_title'] ) )
		$post_title = wp_specialchars( stripslashes( $_REQUEST['post_title'] ));
	else if ( !empty( $_REQUEST['popuptitle'] ) ) {
		$post_title = wp_specialchars( stripslashes( $_REQUEST['popuptitle'] ));
		$post_title = funky_javascript_fix( $post_title );
	} else {
		$post_title = '';
	}

	if ( !empty( $_REQUEST['content'] ) )
		$post_content = wp_specialchars( stripslashes( $_REQUEST['content'] ));
	else if ( !empty( $post_title ) ) {
		$text       = wp_specialchars( stripslashes( urldecode( $_REQUEST['text'] ) ) );
		$text       = funky_javascript_fix( $text);
		$popupurl   = clean_url($_REQUEST['popupurl']);
        $post_content = '<a href="'.$popupurl.'">'.$post_title.'</a>'."\n$text";
    }

	if ( !empty( $_REQUEST['excerpt'] ) )
		$post_excerpt = wp_specialchars( stripslashes( $_REQUEST['excerpt'] ));
	else
		$post_excerpt = '';

	$post->post_status = 'draft';
	$post->comment_status = get_option( 'default_comment_status' );
	$post->ping_status = get_option( 'default_ping_status' );
	$post->post_pingback = get_option( 'default_pingback_flag' );
	$post->post_category = get_option( 'default_category' );
	$post->post_content = apply_filters( 'default_content', $post_content);
	$post->post_title = apply_filters( 'default_title', $post_title );
	$post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt);
	$post->page_template = 'default';
	$post->post_parent = 0;
	$post->menu_order = 0;

	return $post;
}

function get_comment_to_edit( $id ) {
	$comment = get_comment( $id );

	$comment->comment_content = format_to_edit( $comment->comment_content, user_can_richedit() );
	$comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content);

	$comment->comment_author = format_to_edit( $comment->comment_author );
	$comment->comment_author_email = format_to_edit( $comment->comment_author_email );
	$comment->comment_author_url = format_to_edit( $comment->comment_author_url );

	return $comment;
}

function get_category_to_edit( $id ) {
	$category = get_category( $id );

	return $category;
}

function wp_dropdown_roles( $default = false ) {
	global $wp_roles;
	$r = '';
	foreach( $wp_roles->role_names as $role => $name )
		if ( $default == $role ) // Make default first in list
			$p = "\n\t<option selected='selected' value='$role'>$name</option>";
		else
			$r .= "\n\t<option value='$role'>$name</option>";
	echo $p . $r;
}


function get_user_to_edit( $user_id ) {
	$user = new WP_User( $user_id );
	$user->user_login   = attribute_escape($user->user_login);
	$user->user_email   = attribute_escape($user->user_email);
	$user->user_url     = clean_url($user->user_url);
	$user->first_name   = attribute_escape($user->first_name);
	$user->last_name    = attribute_escape($user->last_name);
	$user->display_name = attribute_escape($user->display_name);
	$user->nickname     = attribute_escape($user->nickname);
	$user->aim          = attribute_escape($user->aim);
	$user->yim          = attribute_escape($user->yim);
	$user->jabber       = attribute_escape($user->jabber);
	$user->description  =  wp_specialchars($user->description);

	return $user;
}

// Creates a new user from the "Users" form using $_POST information.

function add_user() {
	if ( func_num_args() ) { // The hackiest hack that ever did hack
		global $current_user, $wp_roles;
		$user_id = (int) func_get_arg( 0 );

		if ( isset( $_POST['role'] ) ) {
			if( $user_id != $current_user->id || $wp_roles->role_objects[$_POST['role']]->has_cap( 'edit_users' ) ) {
				$user = new WP_User( $user_id );
				$user->set_role( $_POST['role'] );
			}
		}
	} else {
		add_action( 'user_register', 'add_user' ); // See above
		return edit_user();
	}
}

function edit_user( $user_id = 0 ) {
	global $current_user, $wp_roles, $wpdb;
	if ( $user_id != 0 ) {
		$update = true;
		$user->ID = (int) $user_id;
		$userdata = get_userdata( $user_id );
		$user->user_login = $wpdb->escape( $userdata->user_login );
	} else {
		$update = false;
		$user = '';
	}

	if ( isset( $_POST['user_login'] ))
		$user->user_login = wp_specialchars( trim( $_POST['user_login'] ));

	$pass1 = $pass2 = '';
	if ( isset( $_POST['pass1'] ))
		$pass1 = $_POST['pass1'];
	if ( isset( $_POST['pass2'] ))
		$pass2 = $_POST['pass2'];

	if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) { 
		if( $user_id != $current_user->id || $wp_roles->role_objects[$_POST['role']]->has_cap( 'edit_users' ))
			$user->role = $_POST['role'];
	}

	if ( isset( $_POST['email'] ))
		$user->user_email = wp_specialchars( trim( $_POST['email'] ));
	if ( isset( $_POST['url'] ) ) {
		$user->user_url = wp_specialchars( trim( $_POST['url'] ));
		$user->user_url = preg_match('/^(https?|ftps?|mailto|news|irc|gopher|nntp|feed|telnet):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
	}
	if ( isset( $_POST['first_name'] ))
		$user->first_name = wp_specialchars( trim( $_POST['first_name'] ));
	if ( isset( $_POST['last_name'] ))
		$user->last_name = wp_specialchars( trim( $_POST['last_name'] ));
	if ( isset( $_POST['nickname'] ))
		$user->nickname = wp_specialchars( trim( $_POST['nickname'] ));
	if ( isset( $_POST['display_name'] ))
		$user->display_name = wp_specialchars( trim( $_POST['display_name'] ));
	if ( isset( $_POST['description'] ))
		$user->description = trim( $_POST['description'] );
	if ( isset( $_POST['jabber'] ))
		$user->jabber = wp_specialchars( trim( $_POST['jabber'] ));
	if ( isset( $_POST['aim'] ))
		$user->aim = wp_specialchars( trim( $_POST['aim'] ));
	if ( isset( $_POST['yim'] ))
		$user->yim = wp_specialchars( trim( $_POST['yim'] ));
	if ( !$update )
		$user->rich_editing = 'true';  // Default to true for new users.
	else if ( isset( $_POST['rich_editing'] ) )
		$user->rich_editing = $_POST['rich_editing'];
	else
		$user->rich_editing = 'false';

	$errors = new WP_Error();

	/* checking that username has been typed */
	if ( $user->user_login == '' )
		$errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ));

	/* checking the password has been typed twice */
	do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 ));

	if (!$update ) {
		if ( $pass1 == '' || $pass2 == '' )
			$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ));
	} else {
		if ((empty ( $pass1 ) && !empty ( $pass2 ) ) || (empty ( $pass2 ) && !empty ( $pass1 ) ) )
			$errors->add( 'pass', __( "<strong>ERROR</strong>: you typed your new password only once." ));
	}

	/* Check for "\" in password */
	if( strpos( " ".$pass1, "\\" ) )
		$errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ));

	/* checking the password has been typed twice the same */
	if ( $pass1 != $pass2 )
		$errors->add( 'pass', __( '<strong>ERROR</strong>: Please type the same password in the two password fields.' ));

	if (!empty ( $pass1 ))
		$user->user_pass = $pass1;

	if ( !$update && !validate_username( $user->user_login ) )
		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid.  Please enter a valid username.' ));

	if (!$update && username_exists( $user->user_login ))
		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered, please choose another one.' ));

	/* checking e-mail address */
	if ( empty ( $user->user_email ) ) {
		$errors->add( 'user_email', __( "<strong>ERROR</strong>: please type an e-mail address" ));
	} else
		if (!is_email( $user->user_email ) ) {
			$errors->add( 'user_email', __( "<strong>ERROR</strong>: the email address isn't correct" ));
		}

	if ( $errors->get_error_codes() )
		return $errors;

	if ( $update ) {
		$user_id = wp_update_user( get_object_vars( $user ));
	} else {
		$user_id = wp_insert_user( get_object_vars( $user ));
		wp_new_user_notification( $user_id );
	}
	return $user_id;
}


function get_link_to_edit( $link_id ) {
	$link = get_link( $link_id );

	$link->link_url         = clean_url($link->link_url);
	$link->link_name        = attribute_escape($link->link_name);
	$link->link_image       = attribute_escape($link->link_image);
	$link->link_description = attribute_escape($link->link_description);
	$link->link_rss         = clean_url($link->link_rss);
	$link->link_rel         = attribute_escape($link->link_rel);
	$link->link_notes       =  wp_specialchars($link->link_notes);
	$link->post_category    = $link->link_category;

	return $link;
}

function get_default_link_to_edit() {
	if ( isset( $_GET['linkurl'] ) )
		$link->link_url = clean_url( $_GET['linkurl']);
	else
		$link->link_url = '';

	if ( isset( $_GET['name'] ) )
		$link->link_name = attribute_escape( $_GET['name']);
	else
		$link->link_name = '';

	$link->link_visible = 'Y';

	return $link;
}

function add_link() {
	return edit_link();
}

function edit_link( $link_id = '' ) {
	if (!current_user_can( 'manage_links' ))
		wp_die( __( 'Cheatin&#8217; uh?' ));

	$_POST['link_url'] = wp_specialchars( $_POST['link_url'] );
	$_POST['link_url'] = clean_url($_POST['link_url']);
	$_POST['link_name'] = wp_specialchars( $_POST['link_name'] );
	$_POST['link_image'] = wp_specialchars( $_POST['link_image'] );
	$_POST['link_rss'] = clean_url($_POST['link_rss']);
	$_POST['link_category'] = $_POST['post_category'];

	if ( !empty( $link_id ) ) {
		$_POST['link_id'] = $link_id;
		return wp_update_link( $_POST);
	} else {
		return wp_insert_link( $_POST);
	}
}

function url_shorten( $url ) {
	$short_url = str_replace( 'http://', '', stripslashes( $url ));
	$short_url = str_replace( 'www.', '', $short_url );
	if ('/' == substr( $short_url, -1 ))
		$short_url = substr( $short_url, 0, -1 );
	if ( strlen( $short_url ) > 35 )
		$short_url = substr( $short_url, 0, 32 ).'...';
	return $short_url;
}

function selected( $selected, $current) {
	if ( $selected == $current)
		echo ' selected="selected"';
}

function checked( $checked, $current) {
	if ( $checked == $current)
		echo ' checked="checked"';
}

function return_categories_list( $parent = 0 ) {
	global $wpdb;
	return $wpdb->get_col( "SELECT cat_ID FROM $wpdb->categories WHERE category_parent = $parent AND ( link_count = 0 OR category_count != 0 OR ( link_count = 0 AND category_count = 0 ) ) ORDER BY category_count DESC" );
}

function sort_cats( $cat1, $cat2 ) {
	if ( $cat1['checked'] || $cat2['checked'] )
		return ( $cat1['checked'] && !$cat2['checked'] ) ? -1 : 1;
	else
		return strcasecmp( $cat1['cat_name'], $cat2['cat_name'] );
}

function get_nested_categories( $default = 0, $parent = 0 ) {
	global $post_ID, $link_id, $mode, $wpdb;

	if ( $post_ID ) {
		$checked_categories = $wpdb->get_col( "
		     SELECT category_id
		     FROM $wpdb->categories, $wpdb->post2cat
		     WHERE $wpdb->post2cat.category_id = cat_ID AND $wpdb->post2cat.post_id = '$post_ID'
		     " );

		if ( count( $checked_categories ) == 0 ) {
			// No selected categories, strange
			$checked_categories[] = $default;
		}
	} else if ( $link_id ) {
		$checked_categories = $wpdb->get_col( "
		     SELECT category_id
		     FROM $wpdb->categories, $wpdb->link2cat
		     WHERE $wpdb->link2cat.category_id = cat_ID AND $wpdb->link2cat.link_id = '$link_id'
		     " );

		if ( count( $checked_categories ) == 0 ) {
			// No selected categories, strange
			$checked_categories[] = $default;
		}
	} else {
		$checked_categories[] = $default;
	}

	$cats = return_categories_list( $parent);
	$result = array ();

	if ( is_array( $cats ) ) {
		foreach ( $cats as $cat) {
			if ( $cat == 0 ) { // HACK, added 2006-05-13
				$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = 0");
				continue;
			}
			$result[$cat]['children'] = get_nested_categories( $default, $cat);
			$result[$cat]['cat_ID'] = $cat;
			$result[$cat]['checked'] = in_array( $cat, $checked_categories );
			$result[$cat]['cat_name'] = get_the_category_by_ID( $cat);
		}
	}

	usort( $result, 'sort_cats' );

	return $result;
}

function write_nested_categories( $categories ) {
	foreach ( $categories as $category ) {
		echo '<li id="category-', $category['cat_ID'], '"><label for="in-category-', $category['cat_ID'], '" class="selectit"><input value="', $category['cat_ID'], '" type="checkbox" name="post_category[]" id="in-category-', $category['cat_ID'], '"', ($category['checked'] ? ' checked="checked"' : "" ), '/> ', wp_specialchars( apply_filters('the_category', $category['cat_name'] )), "</label></li>";

		if ( $category['children'] ) {
			echo "<ul>\n";
			write_nested_categories( $category['children'] );
			echo "</ul>\n";
		}
	}
}

function dropdown_categories( $default = 0 ) {
	write_nested_categories( get_nested_categories( $default) );
}

function return_link_categories_list( $parent = 0 ) {
	global $wpdb;
	return $wpdb->get_col( "SELECT cat_ID FROM $wpdb->categories WHERE category_parent = $parent AND ( category_count = 0  OR link_count != 0 OR ( link_count = 0 AND category_count = 0 ) ) ORDER BY link_count DESC" );
}

function get_nested_link_categories( $default = 0, $parent = 0 ) {
	global $post_ID, $link_id, $mode, $wpdb;

	if ( $link_id ) {
		$checked_categories = $wpdb->get_col( "
		     SELECT category_id
		     FROM $wpdb->categories, $wpdb->link2cat
		     WHERE $wpdb->link2cat.category_id = cat_ID AND $wpdb->link2cat.link_id = '$link_id'
		     " );

		if ( count( $checked_categories ) == 0 ) {
			// No selected categories, strange
			$checked_categories[] = $default;
		}
	} else {
		$checked_categories[] = $default;
	}

	$cats = return_link_categories_list( $parent);
	$result = array ();

	if ( is_array( $cats ) ) {
		foreach ( $cats as $cat) {
			$result[$cat]['children'] = get_nested_link_categories( $default, $cat);
			$result[$cat]['cat_ID'] = $cat;
			$result[$cat]['checked'] = in_array( $cat, $checked_categories );
			$result[$cat]['cat_name'] = get_the_category_by_ID( $cat);
		}
	}

	usort( $result, 'sort_cats' );

	return $result;
}

function dropdown_link_categories( $default = 0 ) {
	write_nested_categories( get_nested_link_categories( $default) );
}

// Dandy new recursive multiple category stuff.
function cat_rows( $parent = 0, $level = 0, $categories = 0 ) {
	global $wpdb;

	if (!$categories )
		$categories = get_categories( 'hide_empty=0' );

	if ( $categories ) {
		ob_start();
		foreach ( $categories as $category ) {
			if ( $category->cat_ID == 0 ) { // HACK, added 2006-05-13
				$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = 0");
				continue;
			}
			if ( $category->category_parent == $parent) {
				echo "\t" . _cat_row( $category, $level );
				cat_rows( $category->cat_ID, $level +1, $categories );
			}
		}
		$output = ob_get_contents();
		ob_end_clean();

		$output = apply_filters('cat_rows', $output);

		echo $output;
	} else {
		return false;
	}
}

function _cat_row( $category, $level, $name_override = false ) {
	global $class;

	$pad = str_repeat( '&#8212; ', $level );
	if ( current_user_can( 'manage_categories' ) ) {
		$edit = "<a href='categories.php?action=edit&amp;cat_ID=$category->cat_ID' class='edit'>".__( 'Edit' )."</a></td>";
		$default_cat_id = (int) get_option( 'default_category' );
		$default_link_cat_id = (int) get_option( 'default_link_category' );

		if ( ($category->cat_ID != $default_cat_id ) && ($category->cat_ID != $default_link_cat_id ) )
			$edit .= "<td><a href='" . wp_nonce_url( "categories.php?action=delete&amp;cat_ID=$category->cat_ID", 'delete-category_' . $category->cat_ID ) . "' onclick=\"return deleteSomething( 'cat', $category->cat_ID, '" . js_escape(sprintf( __("You are about to delete the category '%s'.\nAll posts that were only assigned to this category will be assigned to the '%s' category.\nAll links that were only assigned to this category will be assigned to the '%s' category.\n'OK' to delete, 'Cancel' to stop." ), $category->cat_name, get_catname( $default_cat_id ), get_catname( $default_link_cat_id ) )) . "' );\" class='delete'>".__( 'Delete' )."</a>";
		else
			$edit .= "<td style='text-align:center'>".__( "Default" );
	} else
		$edit = '';

	$class = ( ( defined( 'DOING_AJAX' ) && DOING_AJAX ) || " class='alternate'" == $class ) ? '' : " class='alternate'";

	$category->category_count = number_format( $category->category_count );
	$category->link_count = number_format( $category->link_count );
	$posts_count = ( $category->category_count > 0 ) ? "<a href='edit.php?cat=$category->cat_ID'>$category->category_count</a>" : $category->category_count;
	return "<tr id='cat-$category->cat_ID'$class>
		<th scope='row' style='text-align: center'>$category->cat_ID</th>
		<td>" . ( $name_override ? $name_override : $pad . ' ' . $category->cat_name ) . "</td>
		<td>$category->category_description</td>
		<td align='center'>$posts_count</td>
		<td align='center'>$category->link_count</td>
		<td>$edit</td>\n\t</tr>\n";
}

function page_rows( $parent = 0, $level = 0, $pages = 0, $hierarchy = true ) {
	global $wpdb, $class, $post;

	if (!$pages )
		$pages = get_pages( 'sort_column=menu_order' );

	if (! $pages )
		return false;

	foreach ( $pages as $post) {
		setup_postdata( $post);
		if ( $hierarchy && ($post->post_parent != $parent) )
			continue;

		$post->post_title = wp_specialchars( $post->post_title );
		$pad = str_repeat( '&#8212; ', $level );
		$id = (int) $post->ID;
		$class = ('alternate' == $class ) ? '' : 'alternate';
?>
  <tr id='page-<?php echo $id; ?>' class='<?php echo $class; ?>'> 
    <th scope="row" style="text-align: center"><?php echo $post->ID; ?></th> 
    <td>
      <?php echo $pad; ?><?php the_title() ?>
    </td> 
    <td><?php the_author() ?></td>
    <td><?php if ( '0000-00-00 00:00:00' ==$post->post_modified ) _e('Unpublished'); else echo mysql2date( __('Y-m-d g:i a'), $post->post_modified ); ?></td> 
	<td><a href="<?php the_permalink(); ?>" rel="permalink" class="edit"><?php _e( 'View' ); ?></a></td>
    <td><?php if ( current_user_can( 'edit_page', $id ) ) { echo "<a href='page.php?action=edit&amp;post=$id' class='edit'>" . __( 'Edit' ) . "</a>"; } ?></td> 
    <td><?php if ( current_user_can( 'delete_page', $id ) ) { echo "<a href='" . wp_nonce_url( "page.php?action=delete&amp;post=$id", 'delete-page_' . $id ) .  "' class='delete' onclick=\"return deleteSomething( 'page', " . $id . ", '" . js_escape(sprintf( __("You are about to delete the '%s' page.\n'OK' to delete, 'Cancel' to stop." ), get_the_title() ) ) . "' );\">" . __( 'Delete' ) . "</a>"; } ?></td> 
  </tr> 

<?php
		if ( $hierarchy ) page_rows( $id, $level + 1, $pages );
	}
}

function user_row( $user_object, $style = '' ) {
	global $current_user;

	if ( !(is_object( $user_object) && is_a( $user_object, 'WP_User' ) ) )
		$user_object = new WP_User( (int) $user_object );
	$email = $user_object->user_email;
	$url = $user_object->user_url;
	$short_url = str_replace( 'http://', '', $url );
	$short_url = str_replace( 'www.', '', $short_url );
	if ('/' == substr( $short_url, -1 ))
		$short_url = substr( $short_url, 0, -1 );
	if ( strlen( $short_url ) > 35 )
		$short_url =  substr( $short_url, 0, 32 ).'...';
	$numposts = get_usernumposts( $user_object->ID );
	$r = "<tr id='user-$user_object->ID'$style>
		<td><input type='checkbox' name='users[]' id='user_{$user_object->ID}' value='{$user_object->ID}' /> <label for='user_{$user_object->ID}'>{$user_object->ID}</label></td>
		<td><label for='user_{$user_object->ID}'><strong>$user_object->user_login</strong></label></td>
		<td><label for='user_{$user_object->ID}'>$user_object->first_name $user_object->last_name</label></td>
		<td><a href='mailto:$email' title='" . sprintf( __('e-mail: %s' ), $email ) . "'>$email</a></td>
		<td><a href='$url' title='website: $url'>$short_url</a></td>";
	$r .= "\n\t\t<td align='center'>";
	if ( $numposts > 0 ) {
		$r .= "<a href='edit.php?author=$user_object->ID' title='" . __( 'View posts by this author' ) . "' class='edit'>";
		$r .= sprintf(__ngettext( 'View %s post', 'View %s posts', $numposts ), $numposts);
		$r .= '</a>';
	}
	$r .= "</td>\n\t\t<td>";
	if ( ( is_site_admin() || $current_user->ID == $user_object->ID ) && current_user_can( 'edit_user', $user_object->ID ) ) {
		$edit_link = add_query_arg( 'wp_http_referer', urlencode( clean_url( stripslashes( $_SERVER['REQUEST_URI'] ) ) ), "user-edit.php?user_id=$user_object->ID" );
		$r .= "<a href='$edit_link' class='edit'>".__( 'Edit' )."</a>";
	}
	$r .= "</td>\n\t</tr>";
	return $r;
}

function wp_dropdown_cats( $currentcat = 0, $currentparent = 0, $parent = 0, $level = 0, $categories = 0 ) {
	global $wpdb;
	if (!$categories )
		$categories = get_categories( 'hide_empty=0' );

	if ( $categories ) {
		foreach ( $categories as $category ) {
			if ( $currentcat != $category->cat_ID && $parent == $category->category_parent) {
				$pad = str_repeat( '&#8211; ', $level );
				$category->cat_name = wp_specialchars( $category->cat_name );
				echo "\n\t<option value='$category->cat_ID'";
				if ( $currentparent == $category->cat_ID )
					echo " selected='selected'";
				echo ">$pad$category->cat_name</option>";
				wp_dropdown_cats( $currentcat, $currentparent, $category->cat_ID, $level +1, $categories );
			}
		}
	} else {
		return false;
	}
}

// Some postmeta stuff
function has_meta( $postid ) {
	global $wpdb;

	return $wpdb->get_results( "
			SELECT meta_key, meta_value, meta_id, post_id
			FROM $wpdb->postmeta
			WHERE post_id = '$postid'
			ORDER BY meta_key,meta_id", ARRAY_A );

}

function list_meta( $meta ) {
	global $post_ID;
	// Exit if no meta
	if (!$meta ) {
		echo '<tbody id="the-list"><tr style="display: none;"><td>&nbsp;</td></tr></tbody>'; //TBODY needed for list-manipulation JS
		return;
	}
	$count = 0;
?>
	<thead>
	<tr>
		<th><?php _e( 'Key' ) ?></th>
		<th><?php _e( 'Value' ) ?></th>
		<th colspan='2'><?php _e( 'Action' ) ?></th>
	</tr>
	</thead>
<?php
	$r ="\n\t<tbody id='the-list'>";
	foreach ( $meta as $entry ) {
		++ $count;
		if ( $count % 2 )
			$style = 'alternate';
		else
			$style = '';
		if ('_' == $entry['meta_key'] { 0 } )
			$style .= ' hidden';

		if ( is_serialized( $entry['meta_value'] ) ) {
			if ( is_serialized_string( $entry['meta_value'] ) ) {
				// this is a serialized string, so we should display it
				$entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
			} else {
				// this is a serialized array/object so we should NOT display it
				--$count;
				continue;
			}
		}

		$key_js = js_escape( $entry['meta_key'] );
		$entry['meta_key']   = attribute_escape($entry['meta_key']);
		$entry['meta_value'] = attribute_escape($entry['meta_value']);
		$r .= "\n\t<tr id='meta-{$entry['meta_id']}' class='$style'>";
		$r .= "\n\t\t<td valign='top'><input name='meta[{$entry['meta_id']}][key]' tabindex='6' type='text' size='20' value='{$entry['meta_key']}' /></td>";
		$r .= "\n\t\t<td><textarea name='meta[{$entry['meta_id']}][value]' tabindex='6' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>";
		$r .= "\n\t\t<td align='center'><input name='updatemeta' type='submit' class='updatemeta' tabindex='6' value='".attribute_escape(__( 'Update' ))."' /><br />";
		$r .= "\n\t\t<input name='deletemeta[{$entry['meta_id']}]' type='submit' onclick=\"return deleteSomething( 'meta', {$entry['meta_id']}, '";
		$r .= js_escape(sprintf( __("You are about to delete the '%s' custom field on this post.\n'OK' to delete, 'Cancel' to stop." ), $key_js ) );
		$r .= "' );\" class='deletemeta' tabindex='6' value='".attribute_escape(__( 'Delete' ))."' /></td>";
		$r .= "\n\t</tr>";
	}
	echo $r;
	echo "\n\t</tbody>";
}

// Get a list of previously defined keys
function get_meta_keys() {
	global $wpdb;

	$keys = $wpdb->get_col( "
			SELECT meta_key
			FROM $wpdb->postmeta
			GROUP BY meta_key
			ORDER BY meta_key" );

	return $keys;
}

function meta_form() {
	global $wpdb;
	$limit = (int) apply_filters( 'postmeta_form_limit', 30 );
	$keys = $wpdb->get_col( "
		SELECT meta_key
		FROM $wpdb->postmeta
		GROUP BY meta_key
		ORDER BY meta_id DESC
		LIMIT $limit" );
	if ( $keys )
		natcasesort($keys);
?>
<h3><?php _e( 'Add a new custom field:' ) ?></h3>
<table id="newmeta" cellspacing="3" cellpadding="3">
	<tr>
<th colspan="2"><?php _e( 'Key' ) ?></th>
<th><?php _e( 'Value' ) ?></th>
</tr>
	<tr valign="top">
		<td align="right" width="18%">
<?php if ( $keys ) : ?>
<select id="metakeyselect" name="metakeyselect" tabindex="7">
<option value="#NONE#"><?php _e( '- Select -' ); ?></option>
<?php

	foreach ( $keys as $key ) {
		$key = attribute_escape( $key);
		echo "\n\t<option value='$key'>$key</option>";
	}
?>
</select> <?php _e( 'or' ); ?>
<?php endif; ?>
</td>
<td><input type="text" id="metakeyinput" name="metakeyinput" tabindex="7" /></td>
		<td><textarea id="metavalue" name="metavalue" rows="3" cols="25" tabindex="8"></textarea></td>
	</tr>

</table>
<p class="submit"><input type="submit" id="updatemetasub" name="updatemeta" tabindex="9" value="<?php _e( 'Add Custom Field &raquo;' ) ?>" /></p>
<?php

}

function add_meta( $post_ID ) {
	global $wpdb;
	$post_ID = (int) $post_ID;

	$metakeyselect = $wpdb->escape( stripslashes( trim( $_POST['metakeyselect'] ) ) );
	$metakeyinput = $wpdb->escape( stripslashes( trim( $_POST['metakeyinput'] ) ) );
	$metavalue = maybe_serialize( stripslashes( (trim( $_POST['metavalue'] ) ) ));
	$metavalue = $wpdb->escape( $metavalue );

	if ( ('0' === $metavalue || !empty ( $metavalue ) ) && ((('#NONE#' != $metakeyselect) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput) ) ) {
		// We have a key/value pair. If both the select and the 
		// input for the key have data, the input takes precedence:

 		if ('#NONE#' != $metakeyselect)
			$metakey = $metakeyselect;

		if ( $metakeyinput)
			$metakey = $metakeyinput; // default

		$result = $wpdb->query( "
						INSERT INTO $wpdb->postmeta 
						(post_id,meta_key,meta_value ) 
						VALUES ('$post_ID','$metakey','$metavalue' )
					" );
		return $wpdb->insert_id;
	}
	return false;
} // add_meta

function delete_meta( $mid ) {
	global $wpdb;
	$mid = (int) $mid;

	return $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id = '$mid'" );
}

function update_meta( $mid, $mkey, $mvalue ) {
	global $wpdb;
	$mvalue = maybe_serialize( stripslashes( $mvalue ));
	$mvalue = $wpdb->escape( $mvalue );
	$mid = (int) $mid;
	return $wpdb->query( "UPDATE $wpdb->postmeta SET meta_key = '$mkey', meta_value = '$mvalue' WHERE meta_id = '$mid'" );
}

function get_post_meta_by_id( $mid ) {
	global $wpdb;
	$mid = (int) $mid;

	$meta = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_id = '$mid'" );
	if ( is_serialized_string( $meta->meta_value ) )
		$meta->meta_value = maybe_unserialize( $meta->meta_value );
	return $meta;
}

function touch_time( $edit = 1, $for_post = 1 ) {
	global $wp_locale, $post, $comment;

	if ( $for_post )
		$edit = ( ('draft' == $post->post_status ) && (!$post->post_date || '0000-00-00 00:00:00' == $post->post_date ) ) ? false : true;
 
	echo '<fieldset><legend><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp" /> <label for="timestamp">'.__( 'Edit timestamp' ).'</label></legend>';

	$time_adj = time() + (get_option( 'gmt_offset' ) * 3600 );
	$post_date = ($for_post) ? $post->post_date : $comment->comment_date;
	$jj = ($edit) ? mysql2date( 'd', $post_date ) : gmdate( 'd', $time_adj );
	$mm = ($edit) ? mysql2date( 'm', $post_date ) : gmdate( 'm', $time_adj );
	$aa = ($edit) ? mysql2date( 'Y', $post_date ) : gmdate( 'Y', $time_adj );
	$hh = ($edit) ? mysql2date( 'H', $post_date ) : gmdate( 'H', $time_adj );
	$mn = ($edit) ? mysql2date( 'i', $post_date ) : gmdate( 'i', $time_adj );
	$ss = ($edit) ? mysql2date( 's', $post_date ) : gmdate( 's', $time_adj );

	echo "<select name=\"mm\" onchange=\"edit_date.checked=true\">\n";
	for ( $i = 1; $i < 13; $i = $i +1 ) {
		echo "\t\t\t<option value=\"$i\"";
		if ( $i == $mm )
			echo ' selected="selected"';
		echo '>' . $wp_locale->get_month( $i ) . "</option>\n";
	}
?>
</select>
<input type="text" id="jj" name="jj" value="<?php echo $jj; ?>" size="2" maxlength="2" onchange="edit_date.checked=true"/>
<input type="text" id="aa" name="aa" value="<?php echo $aa ?>" size="4" maxlength="5" onchange="edit_date.checked=true" /> @
<input type="text" id="hh" name="hh" value="<?php echo $hh ?>" size="2" maxlength="2" onchange="edit_date.checked=true" /> :
<input type="text" id="mn" name="mn" value="<?php echo $mn ?>" size="2" maxlength="2" onchange="edit_date.checked=true" />
<input type="hidden" id="ss" name="ss" value="<?php echo $ss ?>" size="2" maxlength="2" onchange="edit_date.checked=true" />
<?php
	if ( $edit ) {
		printf( __('Existing timestamp: %1$s %2$s, %3$s @ %4$s:%5$s' ), $wp_locale->get_month( $mm ), $jj, $aa, $hh, $mn );
	}
?>
</fieldset>
	<?php

}

// insert_with_markers: Owen Winkler, fixed by Eric Anderson
// Inserts an array of strings into a file (.htaccess ), placing it between
// BEGIN and END markers.  Replaces existing marked info.  Retains surrounding
// data.  Creates file if none exists.
// Returns true on write success, false on failure.
function insert_with_markers( $filename, $marker, $insertion ) {
	return true;
	if (!file_exists( $filename ) || is_writeable( $filename ) ) {
		if (!file_exists( $filename ) ) {
			$markerdata = '';
		} else {
			$markerdata = explode( "\n", implode( '', file( $filename ) ) );
		}

		$f = fopen( $filename, 'w' );
		$foundit = false;
		if ( $markerdata ) {
			$state = true;
			foreach ( $markerdata as $n => $markerline ) {
				if (strpos($markerline, '# BEGIN ' . $marker) !== false)
					$state = false;
				if ( $state ) {
					if ( $n + 1 < count( $markerdata ) )
						fwrite( $f, "{$markerline}\n" );
					else
						fwrite( $f, "{$markerline}" );
				}
				if (strpos($markerline, '# END ' . $marker) !== false) {
					fwrite( $f, "# BEGIN {$marker}\n" );
					if ( is_array( $insertion ))
						foreach ( $insertion as $insertline )
							fwrite( $f, "{$insertline}\n" );
					fwrite( $f, "# END {$marker}\n" );
					$state = true;
					$foundit = true;
				}
			}
		}
		if (!$foundit) {
			fwrite( $f, "# BEGIN {$marker}\n" );
			foreach ( $insertion as $insertline )
				fwrite( $f, "{$insertline}\n" );
			fwrite( $f, "# END {$marker}\n" );
		}
		fclose( $f );
		return true;
	} else {
		return false;
	}
}

// extract_from_markers: Owen Winkler
// Returns an array of strings from a file (.htaccess ) from between BEGIN
// and END markers.
function extract_from_markers( $filename, $marker ) {
	$result = array ();

	if (!file_exists( $filename ) ) {
		return $result;
	}

	if ( $markerdata = explode( "\n", implode( '', file( $filename ) ) ));
	{
		$state = false;
		foreach ( $markerdata as $markerline ) {
			if (strpos($markerline, '# END ' . $marker) !== false)
				$state = false;
			if ( $state )
				$result[] = $markerline;
			if (strpos($markerline, '# BEGIN ' . $marker) !== false)
				$state = true;
		}
	}

	return $result;
}

function got_mod_rewrite() {
	global $is_apache;

	// take 3 educated guesses as to whether or not mod_rewrite is available
	if ( !$is_apache )
		return false;

	if ( function_exists( 'apache_get_modules' ) ) {
		if ( !in_array( 'mod_rewrite', apache_get_modules() ) )
			return false;
	}

	return true;
}

function save_mod_rewrite_rules() {
	global $is_apache, $wp_rewrite;
	$home_path = get_home_path();

	if (!$wp_rewrite->using_mod_rewrite_permalinks() )
		return false;

	if (!((!file_exists( $home_path.'.htaccess' ) && is_writable( $home_path ) ) || is_writable( $home_path.'.htaccess' ) ) )
		return false;

	if (! got_mod_rewrite() )
		return false;

	$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
	return insert_with_markers( $home_path.'.htaccess', 'WordPress', $rules );
}

function get_broken_themes() {
	global $wp_broken_themes;

	get_themes();
	return $wp_broken_themes;
}

function get_page_templates() {
	$themes = get_themes();
	$theme = get_current_theme();
	$templates = $themes[$theme]['Template Files'];
	$page_templates = array ();

	if ( is_array( $templates ) ) {
		foreach ( $templates as $template ) {
			$template_data = implode( '', file( ABSPATH.$template ));
			preg_match( "|Template Name:(.*)|i", $template_data, $name );
			preg_match( "|Description:(.*)|i", $template_data, $description );

			$name = $name[1];
			$description = $description[1];

			if (!empty ( $name ) ) {
				$page_templates[trim( $name )] = basename( $template );
			}
		}
	}

	return $page_templates;
}

function page_template_dropdown( $default = '' ) {
	$templates = get_page_templates();
	foreach (array_keys( $templates ) as $template )
		: if ( $default == $templates[$template] )
			$selected = " selected='selected'";
		else
			$selected = '';
	echo "\n\t<option value='".$templates[$template]."' $selected>$template</option>";
	endforeach;
}

function parent_dropdown( $default = 0, $parent = 0, $level = 0 ) {
	global $wpdb, $post_ID;
	$items = $wpdb->get_results( "SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = $parent AND post_type = 'page' ORDER BY menu_order" );

	if ( $items ) {
		foreach ( $items as $item ) {
			// A page cannot be its own parent.
			if (!empty ( $post_ID ) ) {
				if ( $item->ID == $post_ID ) {
					continue;
				}
			}
			$pad = str_repeat( '&nbsp;', $level * 3 );
			if ( $item->ID == $default)
				$current = ' selected="selected"';
			else
				$current = '';

			echo "\n\t<option value='$item->ID'$current>$pad $item->post_title</option>";
			parent_dropdown( $default, $item->ID, $level +1 );
		}
	} else {
		return false;
	}
}

function user_can_access_admin_page() {
	global $pagenow;
	global $menu;
	global $submenu;
	global $_wp_menu_nopriv;
	global $_wp_submenu_nopriv;
	global $plugin_page;

	$parent = get_admin_page_parent();

	if ( isset( $_wp_submenu_nopriv[$parent][$pagenow] ) )
		return false;

	if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$parent][$plugin_page] ) )
		return false;

	if ( empty( $parent) ) {
		if ( isset( $_wp_menu_nopriv[$pagenow] ) )
			return false;
		if ( isset( $_wp_submenu_nopriv[$pagenow][$pagenow] ) )
			return false;
		if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) )
			return false;
		foreach (array_keys( $_wp_submenu_nopriv ) as $key ) {
			if ( isset( $_wp_submenu_nopriv[$key][$pagenow] ) )
				return false;
			if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$key][$plugin_page] ) )
			return false;
		}
		return true;
	}

	if ( isset( $submenu[$parent] ) ) {
		foreach ( $submenu[$parent] as $submenu_array ) {
			if ( isset( $plugin_page ) && ( $submenu_array[2] == $plugin_page ) ) {
				if ( current_user_can( $submenu_array[1] ))
					return true;
				else
					return false;
			} else if ( $submenu_array[2] == $pagenow ) {
				if ( current_user_can( $submenu_array[1] ))
					return true;
				else
					return false;
			}
		}
	}

	foreach ( $menu as $menu_array ) {
		if ( $menu_array[2] == $parent) {
			if ( current_user_can( $menu_array[1] ))
				return true;
			else
				return false;
		}
	}

	return true;
}

function get_admin_page_title() {
	global $title;
	global $menu;
	global $submenu;
	global $pagenow;
	global $plugin_page;

	if ( isset( $title ) && !empty ( $title ) ) {
		return $title;
	}

	$hook = get_plugin_page_hook( $plugin_page, $pagenow );

	$parent = $parent1 = get_admin_page_parent();
	if ( empty ( $parent) ) {
		foreach ( $menu as $menu_array ) {
			if ( isset( $menu_array[3] ) ) {
				if ( $menu_array[2] == $pagenow ) {
					$title = $menu_array[3];
					return $menu_array[3];
				} else
					if ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($hook == $menu_array[3] ) ) {
						$title = $menu_array[3];
						return $menu_array[3];
					}
			} else {
				$title = $menu_array[0];
				return $title;
			}
		}
	} else {
		foreach (array_keys( $submenu ) as $parent) {
			foreach ( $submenu[$parent] as $submenu_array ) {
				if ( isset( $plugin_page ) && 
					($plugin_page == $submenu_array[2] ) && 
					(($parent == $pagenow ) || ($parent == $plugin_page ) || ($plugin_page == $hook ) || (($pagenow == 'admin.php' ) && ($parent1 != $submenu_array[2] ) ) )
					) {
						$title = $submenu_array[3];
						return $submenu_array[3];
					}

				if ( $submenu_array[2] != $pagenow || isset( $_GET['page'] ) ) // not the current page
					continue;

				if ( isset( $submenu_array[3] ) ) {
					$title = $submenu_array[3];
					return $submenu_array[3];
				} else {
					$title = $submenu_array[0];
					return $title;
				}
			}
		}
	}

	return $title;
}

function get_admin_page_parent() {
	global $parent_file;
	global $menu;
	global $submenu;
	global $pagenow;
	global $plugin_page;
	global $_wp_real_parent_file;
	global $_wp_menu_nopriv;
	global $_wp_submenu_nopriv;

	if ( !empty ( $parent_file ) ) {
		if ( isset( $_wp_real_parent_file[$parent_file] ) )
			$parent_file = $_wp_real_parent_file[$parent_file];

		return $parent_file;
	}

	if ( $pagenow == 'admin.php' && isset( $plugin_page ) ) {
		foreach ( $menu as $parent_menu ) {
			if ( $parent_menu[2] == $plugin_page ) {
				$parent_file = $plugin_page;
				if ( isset( $_wp_real_parent_file[$parent_file] ) )
					$parent_file = $_wp_real_parent_file[$parent_file];
				return $parent_file;
			}
		}
		if ( isset( $_wp_menu_nopriv[$plugin_page] ) ) {
			$parent_file = $plugin_page;
			if ( isset( $_wp_real_parent_file[$parent_file] ) )
					$parent_file = $_wp_real_parent_file[$parent_file];
			return $parent_file;
		}
	}

	if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) ) {
		$parent_file = $pagenow;
		if ( isset( $_wp_real_parent_file[$parent_file] ) )
			$parent_file = $_wp_real_parent_file[$parent_file];
		return $parent_file;
	}

	foreach (array_keys( $submenu ) as $parent) {
		foreach ( $submenu[$parent] as $submenu_array ) {
			if ( isset( $_wp_real_parent_file[$parent] ) )
				$parent = $_wp_real_parent_file[$parent];
			if ( $submenu_array[2] == $pagenow ) {
				$parent_file = $parent;
				return $parent;
			} else
				if ( isset( $plugin_page ) && ($plugin_page == $submenu_array[2] ) ) {
					$parent_file = $parent;
					return $parent;
				}
		}
	}

	$parent_file = '';
	return '';
}

function add_menu_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
	global $menu, $admin_page_hooks;

	$file = plugin_basename( $file );

	$menu[] = array ( $menu_title, $access_level, $file, $page_title );

	$admin_page_hooks[$file] = sanitize_title( $menu_title );

	$hookname = get_plugin_page_hookname( $file, '' );
	if (!empty ( $function ) && !empty ( $hookname ))
		add_action( $hookname, $function );

	return $hookname;
}

function add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function = '' ) {
	global $submenu;
	global $menu;
	global $_wp_real_parent_file;
	global $_wp_submenu_nopriv;
	global $_wp_menu_nopriv;

	$file = plugin_basename( $file );

	$parent = plugin_basename( $parent);
	if ( isset( $_wp_real_parent_file[$parent] ) )
		$parent = $_wp_real_parent_file[$parent];

	if ( !current_user_can( $access_level ) ) {
		$_wp_submenu_nopriv[$parent][$file] = true;
		return false;
	}

	// If the parent doesn't already have a submenu, add a link to the parent
	// as the first item in the submenu.  If the submenu file is the same as the
	// parent file someone is trying to link back to the parent manually.  In
	// this case, don't automatically add a link back to avoid duplication.
	if (!isset( $submenu[$parent] ) && $file != $parent  ) {
		foreach ( $menu as $parent_menu ) {
			if ( $parent_menu[2] == $parent && current_user_can( $parent_menu[1] ) )
				$submenu[$parent][] = $parent_menu;
		}
	}

	$submenu[$parent][] = array ( $menu_title, $access_level, $file, $page_title );

	$hookname = get_plugin_page_hookname( $file, $parent);
	if (!empty ( $function ) && !empty ( $hookname ))
		add_action( $hookname, $function );

	return $hookname;
}

function add_options_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
	return add_submenu_page( 'options-general.php', $page_title, $menu_title, $access_level, $file, $function );
}

function add_management_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
	return add_submenu_page( 'edit.php', $page_title, $menu_title, $access_level, $file, $function );
}

function add_theme_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
	return add_submenu_page( 'themes.php', $page_title, $menu_title, $access_level, $file, $function );
}

function add_users_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
	if ( current_user_can('edit_users') )
		$parent = 'users.php';
	else
		$parent = 'profile.php';
	return add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function );
}

function validate_file( $file, $allowed_files = '' ) {
	if ( false !== strpos( $file, './' ))
		return 1;

	if (':' == substr( $file, 1, 1 ))
		return 2;

	if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) )
		return 3;

	return 0;
}

function validate_file_to_edit( $file, $allowed_files = '' ) {
	$file = stripslashes( $file );

	$code = validate_file( $file, $allowed_files );

	if (!$code )
		return $file;

	switch ( $code ) {
		case 1 :
			wp_die( __('Sorry, can&#8217;t edit files with ".." in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.' ));

		case 2 :
			wp_die( __('Sorry, can&#8217;t call files with their real path.' ));

		case 3 :
			wp_die( __('Sorry, that file cannot be edited.' ));
	}
}

function get_home_path() {
	$home = get_option( 'home' );
	if ( $home != '' && $home != get_option( 'siteurl' ) ) {
		$home_path = parse_url( $home );
		$home_path = $home_path['path'];
		$root = str_replace( $_SERVER["PHP_SELF"], '', $_SERVER["SCRIPT_FILENAME"] );
		$home_path = trailingslashit( $root.$home_path );
	} else {
		$home_path = ABSPATH;
	}

	return $home_path;
}

function get_real_file_to_edit( $file ) {
	if ('index.php' == $file || '.htaccess' == $file ) {
		$real_file = get_home_path().$file;
	} else {
		$real_file = ABSPATH.$file;
	}

	return $real_file;
}

$wp_file_descriptions = array ('index.php' => __( 'Main Index Template' ), 'style.css' => __( 'Stylesheet' ), 'comments.php' => __( 'Comments' ), 'comments-popup.php' => __( 'Popup Comments' ), 'footer.php' => __( 'Footer' ), 'header.php' => __( 'Header' ), 'sidebar.php' => __( 'Sidebar' ), 'archive.php' => __( 'Archives' ), 'category.php' => __( 'Category Template' ), 'page.php' => __( 'Page Template' ), 'search.php' => __( 'Search Results' ), 'single.php' => __( 'Single Post' ), '404.php' => __( '404 Template' ), 'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ), '.htaccess' => __( '.htaccess (for rewrite rules )' ),
	// Deprecated files
	'wp-layout.css' => __( 'Stylesheet' ), 'wp-comments.php' => __( 'Comments Template' ), 'wp-comments-popup.php' => __( 'Popup Comments Template' ));

function get_file_description( $file ) {
	global $wp_file_descriptions;

	if ( isset( $wp_file_descriptions[basename( $file )] ) ) {
		return $wp_file_descriptions[basename( $file )];
	}
	elseif ( file_exists( ABSPATH . $file ) && is_file( ABSPATH . $file ) ) {
		$template_data = implode( '', file( ABSPATH . $file ) );
		if ( preg_match( "|Template Name:(.*)|i", $template_data, $name ))
			return $name[1];
	}

	return basename( $file );
}

function update_recently_edited( $file ) {
	$oldfiles = (array ) get_option( 'recently_edited' );
	if ( $oldfiles ) {
		$oldfiles = array_reverse( $oldfiles );
		$oldfiles[] = $file;
		$oldfiles = array_reverse( $oldfiles );
		$oldfiles = array_unique( $oldfiles );
		if ( 5 < count( $oldfiles ))
			array_pop( $oldfiles );
	} else {
		$oldfiles[] = $file;
	}
	update_option( 'recently_edited', $oldfiles );
}

function get_plugin_data( $plugin_file ) {
	$plugin_data = implode( '', file( $plugin_file ));
	preg_match( "|Plugin Name:(.*)|i", $plugin_data, $plugin_name );
	preg_match( "|Plugin URI:(.*)|i", $plugin_data, $plugin_uri );
	preg_match( "|Description:(.*)|i", $plugin_data, $description );
	preg_match( "|Author:(.*)|i", $plugin_data, $author_name );
	preg_match( "|Author URI:(.*)|i", $plugin_data, $author_uri );
	if ( preg_match( "|Version:(.*)|i", $plugin_data, $version ))
		$version = trim( $version[1] );
	else
		$version = '';

	$description = wptexturize( trim( $description[1] ));

	$name = $plugin_name[1];
	$name = trim( $name );
	$plugin = $name;
	if ('' != $plugin_uri[1] && '' != $name ) {
		$plugin = '<a href="' . trim( $plugin_uri[1] ) . '" title="'.__( 'Visit plugin homepage' ).'">'.$plugin.'</a>';
	}

	if ('' == $author_uri[1] ) {
		$author = trim( $author_name[1] );
	} else {
		$author = '<a href="' . trim( $author_uri[1] ) . '" title="'.__( 'Visit author homepage' ).'">' . trim( $author_name[1] ) . '</a>';
	}

	return array ('Name' => $name, 'Title' => $plugin, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1] );
}

function get_plugins() {
	global $wp_plugins;

	if ( isset( $wp_plugins ) ) {
		return $wp_plugins;
	}

	$wp_plugins = array ();
	$plugin_root = ABSPATH . PLUGINDIR;

	// Files in wp-content/plugins directory
	$plugins_dir = @ dir( $plugin_root);
	if ( $plugins_dir ) {
		while (($file = $plugins_dir->read() ) !== false ) {
			if ( preg_match( '|^\.+$|', $file ))
				continue;
			if ( is_dir( $plugin_root.'/'.$file ) ) {
				$plugins_subdir = @ dir( $plugin_root.'/'.$file );
				if ( $plugins_subdir ) {
					while (($subfile = $plugins_subdir->read() ) !== false ) {
						if ( preg_match( '|^\.+$|', $subfile ))
							continue;
						if ( preg_match( '|\.php$|', $subfile ))
							$plugin_files[] = "$file/$subfile";
					}
				}
			} else {
				if ( preg_match( '|\.php$|', $file ))
					$plugin_files[] = $file;
			}
		}
	}

	if ( !$plugins_dir || !$plugin_files )
		return $wp_plugins;

	foreach ( $plugin_files as $plugin_file ) {
		if ( !is_readable( "$plugin_root/$plugin_file" ) )
			continue;

		$plugin_data = get_plugin_data( "$plugin_root/$plugin_file" );

		if ( empty ( $plugin_data['Name'] ) )
			continue;

		$wp_plugins[plugin_basename( $plugin_file )] = $plugin_data;
	}

	uasort( $wp_plugins, create_function( '$a, $b', 'return strnatcasecmp( $a["Name"], $b["Name"] );' ));

	return $wp_plugins;
}

function get_plugin_page_hookname( $plugin_page, $parent_page ) {
	global $admin_page_hooks;

	$parent = get_admin_page_parent();

	if ( empty ( $parent_page ) || 'admin.php' == $parent_page ) {
		if ( isset( $admin_page_hooks[$plugin_page] ))
			$page_type = 'toplevel';
		else
			if ( isset( $admin_page_hooks[$parent] ))
				$page_type = $admin_page_hooks[$parent];
	} else
		if ( isset( $admin_page_hooks[$parent_page] ) ) {
			$page_type = $admin_page_hooks[$parent_page];
		} else {
			$page_type = 'admin';
		}

	$plugin_name = preg_replace( '!\.php!', '', $plugin_page );

	return $page_type.'_page_'.$plugin_name;
}

function get_plugin_page_hook( $plugin_page, $parent_page ) {
	global $wp_filter;

	$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
	if ( isset( $wp_filter[$hook] ))
		return $hook;
	else
		return '';
}

function browse_happy() {
	$getit = __( 'WordPress recommends a better browser' );
	echo '
		<p id="bh" style="text-align: center;"><a href="http://browsehappy.com/" title="'.$getit.'"><img src="images/browse-happy.gif" alt="Browse Happy" /></a></p>
		';
}

if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false)
	add_action( 'admin_footer', 'browse_happy' );

function documentation_link( $for ) {
	return;
}

function register_importer( $id, $name, $description, $callback ) {
	global $wp_importers;

	$wp_importers[$id] = array ( $name, $description, $callback );
}

function get_importers() {
	global $wp_importers;

	return $wp_importers;
}

function current_theme_info() {
	$themes = get_themes();
	$current_theme = get_current_theme();
	$ct->name = $current_theme;
	$ct->title = $themes[$current_theme]['Title'];
	$ct->version = $themes[$current_theme]['Version'];
	$ct->parent_theme = $themes[$current_theme]['Parent Theme'];
	$ct->template_dir = $themes[$current_theme]['Template Dir'];
	$ct->stylesheet_dir = $themes[$current_theme]['Stylesheet Dir'];
	$ct->template = $themes[$current_theme]['Template'];
	$ct->stylesheet = $themes[$current_theme]['Stylesheet'];
	$ct->screenshot = $themes[$current_theme]['Screenshot'];
	$ct->description = $themes[$current_theme]['Description'];
	$ct->author = $themes[$current_theme]['Author'];
	return $ct;
}


// array wp_handle_upload ( array &file [, array overrides] )
// file: reference to a single element of $_FILES. Call the function once for each uploaded file.
// overrides: an associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
// On success, returns an associative array of file attributes.
// On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
function wp_handle_upload( &$file, $overrides = false ) {
	// The default error handler.
	if (! function_exists( 'wp_handle_upload_error' ) ) {
		function wp_handle_upload_error( &$file, $message ) {
			return array( 'error'=>$message );
		}
	}

	// You may define your own function and pass the name in $overrides['upload_error_handler']
	$upload_error_handler = 'wp_handle_upload_error';

	// $_POST['action'] must be set and its value must equal $overrides['action'] or this:
	$action = 'wp_handle_upload';

	// Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error'].
	$upload_error_strings = array( false,
		__( "The uploaded file exceeds the <code>upload_max_filesize</code> directive in <code>php.ini</code>." ),
		__( "The uploaded file exceeds the <em>MAX_FILE_SIZE</em> directive that was specified in the HTML form." ),
		__( "The uploaded file was only partially uploaded." ),
		__( "No file was uploaded." ),
		__( "Missing a temporary folder." ),
		__( "Failed to write file to disk." ));

	// All tests are on by default. Most can be turned off by $override[{test_name}] = false;
	$test_form = true;
	$test_size = true;

	// If you override this, you must provide $ext and $type!!!!
	$test_type = true;

	// Install user overrides. Did we mention that this voids your warranty?
	if ( is_array( $overrides ) )
		extract( $overrides, EXTR_OVERWRITE );

	// A correct form post will pass this test.
	if ( $test_form && (!isset( $_POST['action'] ) || ($_POST['action'] != $action ) ) )
		return $upload_error_handler( $file, __( 'Invalid form submission.' ));

	// A successful upload will pass this test. It makes no sense to override this one.
	if ( $file['error'] > 0 )
		return $upload_error_handler( $file, $upload_error_strings[$file['error']] );

	// A non-empty file will pass this test.
	if ( $test_size && !($file['size'] > 0 ) )
		return $upload_error_handler( $file, __( 'File is empty. Please upload something more substantial.' ));

	// A properly uploaded file will pass this test. There should be no reason to override this one.
	if (! @ is_uploaded_file( $file['tmp_name'] ) )
		return $upload_error_handler( $file, __( 'Specified file failed upload test.' ));

	// A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter.
	if ( $test_type ) {
		$wp_filetype = wp_check_filetype( $file['name'], $mimes );

		extract( $wp_filetype );

		if ( !$type || !$ext )
			return $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' ));
	}

	// A writable uploads dir will pass this test. Again, there's no point overriding this one.
	if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
		return $upload_error_handler( $file, $uploads['error'] );

	// Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied.
	if ( isset( $unique_filename_callback ) && function_exists( $unique_filename_callback ) ) {
		$filename = $unique_filename_callback( $uploads['path'], $file['name'] );
	} else {
		$number = '';
		$filename = str_replace( '#', '_', $file['name'] );
		$filename = str_replace( array( '\\', "'" ), '', $filename );
		if ( empty( $ext) )
			$ext = '';
		else
			$ext = ".$ext";
		while ( file_exists( $uploads['path'] . "/$filename" ) ) {
			if ( '' == "$number$ext" )
				$filename = $filename . ++$number . $ext;
			else
				$filename = str_replace( "$number$ext", ++$number . $ext, $filename );
		}
		$filename = str_replace( $ext, '', $filename );
		$filename = sanitize_title_with_dashes( $filename ) . $ext;
	}

	// Move the file to the uploads dir
	$new_file = $uploads['path'] . "/$filename";
	if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) )
		wp_die( printf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ));

	// Set correct file permissions
	$stat = stat( dirname( $new_file ));
	$perms = $stat['mode'] & 0000666;
	@ chmod( $new_file, $perms );

	// Compute the URL
	$url = $uploads['url'] . "/$filename";

	$return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ) );

	return $return;
}

function wp_shrink_dimensions( $width, $height, $wmax = 128, $hmax = 96 ) {
	if ( $height <= $hmax && $width <= $wmax )
		return array( $width, $height);
	elseif ( $width / $height > $wmax / $hmax )
		return array( $wmax, (int) ($height / $width * $wmax ));
	else
		return array( (int) ($width / $height * $hmax ), $hmax );
}

function wp_import_cleanup( $id ) {
	wp_delete_attachment( $id );
}

function wp_import_upload_form( $action ) {
	$size = strtolower( ini_get( 'upload_max_filesize' ) );
	$bytes = 0;
	if (strpos($size, 'k') !== false)
		$bytes = $size * 1024;
	if (strpos($size, 'm') !== false)
		$bytes = $size * 1024 * 1024;
	if (strpos($size, 'g') !== false)
		$bytes = $size * 1024 * 1024 * 1024;
?>
<form enctype="multipart/form-data" id="import-upload-form" method="post" action="<?php echo attribute_escape($action) ?>">
<p>
<label for="upload"><?php _e( 'Choose a file from your computer:' ); ?></label> (<?php printf( __('Maximum size: %s' ), $size ); ?> )
<input type="file" id="upload" name="import" size="25" />
<input type="hidden" name="action" value="save" />
<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
</p>
<p class="submit">
<input type="submit" value="<?php _e( 'Upload file and import' ); ?> &raquo;" />
</p>
</form>
<?php
}

function wp_import_handle_upload() {
	$overrides = array( 'test_form' => false, 'test_type' => false );
	$file = wp_handle_upload( $_FILES['import'], $overrides );

	if ( isset( $file['error'] ) )
		return $file;

	$url = $file['url'];
	$type = $file['type'];
	$file = addslashes( $file['file'] );
	$filename = basename( $file );

	// Construct the object array
	$object = array( 'post_title' => $filename,
		'post_content' => $url,
		'post_mime_type' => $type,
		'guid' => $url
	);

	// Save the data
	$id = wp_insert_attachment( $object, $file );

	return array( 'file' => $file, 'id' => $id );
}

function the_attachment_links( $id = false ) {
	$id = (int) $id;
	$post = & get_post( $id );

	if ( $post->post_type != 'attachment' )
		return false;

	$icon = get_attachment_icon( $post->ID );
	$attachment_data = wp_get_attachment_metadata( $id );
	$thumb = isset( $attachment_data['thumb'] );
?>
<form id="the-attachment-links">
<table>
	<col />
	<col class="widefat" />
	<tr>
		<th scope="row"><?php _e( 'URL' ) ?></th>
		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><?php echo wp_get_attachment_url(); ?></textarea></td>
	</tr>
<?php if ( $icon ) : ?>
	<tr>
		<th scope="row"><?php $thumb ? _e( 'Thumbnail linked to file' ) : _e( 'Image linked to file' ); ?></th>
		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo wp_get_attachment_url(); ?>"><?php echo $icon ?></a></textarea></td>
	</tr>
	<tr>
		<th scope="row"><?php $thumb ? _e( 'Thumbnail linked to page' ) : _e( 'Image linked to page' ); ?></th>
		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo get_attachment_link( $post->ID ) ?>" rel="attachment wp-att-<?php echo $post->ID; ?>"><?php echo $icon ?></a></textarea></td>
	</tr>
<?php else : ?>
	<tr>
		<th scope="row"><?php _e( 'Link to file' ) ?></th>
		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo wp_get_attachment_url(); ?>" class="attachmentlink"><?php echo basename( wp_get_attachment_url() );  ?></a></textarea></td>
	</tr>
	<tr>
		<th scope="row"><?php _e( 'Link to page' ) ?></th>
		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo get_attachment_link( $post->ID ) ?>" rel="attachment wp-att-<?php echo $post->ID ?>"><?php the_title(); ?></a></textarea></td>
	</tr>
<?php endif; ?>
</table>
</form>
<?php
}

function get_udims( $width, $height) {
	if ( $height <= 96 && $width <= 128 )
		return array( $width, $height);
	elseif ( $width / $height > 4 / 3 )
		return array( 128, (int) ($height / $width * 128 ));
	else
		return array( (int) ($width / $height * 96 ), 96 );
}

function wp_reset_vars( $vars ) {
	for ( $i=0; $i<count( $vars ); $i += 1 ) {
		$var = $vars[$i];
		global $$var;

		if (!isset( $$var ) ) {
			if ( empty( $_POST["$var"] ) ) {
				if ( empty( $_GET["$var"] ) )
					$$var = '';
				else
					$$var = $_GET["$var"];
			} else {
				$$var = $_POST["$var"];
			}
		}
	}
}


function wp_remember_old_slug() {
	global $post;
	$name = attribute_escape($post->post_name); // just in case
	if ( strlen($name) )
		echo '<input type="hidden" id="wp-old-slug" name="wp-old-slug" value="' . $name . '" />';
}


// If siteurl or home changed, reset cookies and flush rewrite rules.
function update_home_siteurl( $old_value, $value ) {
	global $wp_rewrite, $user_login, $user_pass_md5;

	if ( defined( "WP_INSTALLING" ) )
		return;

	// If home changed, write rewrite rules to new location.
	$wp_rewrite->flush_rules();
	// Clear cookies for old paths.
	wp_clearcookie();
	// Set cookies for new paths.
	wp_setcookie( $user_login, $user_pass_md5, true, get_option( 'home' ), get_option( 'siteurl' ));
}

add_action( 'update_option_home', 'update_home_siteurl', 10, 2 );
add_action( 'update_option_siteurl', 'update_home_siteurl', 10, 2 );

function wp_crop_image( $src_file, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false ) {
	if ( ctype_digit( $src_file ) ) // Handle int as attachment ID
		$src_file = get_attached_file( $src_file );

	$src = wp_load_image( $src_file );

	if ( !is_resource( $src ))
		return $src;

	$dst = imagecreatetruecolor( $dst_w, $dst_h );

	if ( $src_abs ) {
		$src_w -= $src_x;
		$src_h -= $src_y;
	}

	if (function_exists('imageantialias'))
		imageantialias( $dst, true );
	
	imagecopyresampled( $dst, $src, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );

	if ( !$dst_file )
		$dst_file = str_replace( basename( $src_file ), 'cropped-'.basename( $src_file ), $src_file );

	$dst_file = preg_replace( '/\\.[^\\.]+$/', '.jpg', $dst_file );

	if ( imagejpeg( $dst, $dst_file ) )
		return $dst_file;
	else
		return false;
}

function wp_load_image( $file ) {
	if ( ctype_digit( $file ) )
		$file = get_attached_file( $file );

	if ( !file_exists( $file ) )
		return sprintf(__("File '%s' doesn't exist?"), $file);

	if ( ! function_exists('imagecreatefromstring') )
		return __('The GD image library is not installed.');

	$contents = file_get_contents( $file );

	$image = imagecreatefromstring( $contents );

	if ( !is_resource( $image ) )
		return sprintf(__("File '%s' is not an image."), $file);

	return $image;
}

function wp_generate_attachment_metadata( $attachment_id, $file ) {
	$attachment = get_post( $attachment_id );

	$metadata = array();
	if ( preg_match('!^image/!', get_post_mime_type( $attachment )) ) {
		$imagesize = getimagesize($file);
		$metadata['width'] = $imagesize['0'];
		$metadata['height'] = $imagesize['1'];
		list($uwidth, $uheight) = get_udims($metadata['width'], $metadata['height']);
		$metadata['hwstring_small'] = "height='$uheight' width='$uwidth'";
		$metadata['file'] = $file;

		$max = apply_filters( 'wp_thumbnail_creation_size_limit', 3 * 1024 * 1024, $attachment_id, $file );

		if ( $max < 0 || $metadata['width'] * $metadata['height'] < $max ) {
			$max_side = apply_filters( 'wp_thumbnail_max_side_length', 128, $attachment_id, $file );
			$thumb = wp_create_thumbnail( $file, $max_side );

			if ( @file_exists($thumb) )
				$metadata['thumb'] = basename($thumb);
		}
	}
	return apply_filters( 'wp_generate_attachment_metadata', $metadata );
}

function wp_create_thumbnail( $file, $max_side, $effect = '' ) {

		// 1 = GIF, 2 = JPEG, 3 = PNG

	if ( file_exists( $file ) ) {
		$type = getimagesize( $file );

		// if the associated function doesn't exist - then it's not
		// handle. duh. i hope.

		if (!function_exists( 'imagegif' ) && $type[2] == 1 ) {
			$error = __( 'Filetype not supported. Thumbnail not created.' );
		}
		elseif (!function_exists( 'imagejpeg' ) && $type[2] == 2 ) {
			$error = __( 'Filetype not supported. Thumbnail not created.' );
		}
		elseif (!function_exists( 'imagepng' ) && $type[2] == 3 ) {
			$error = __( 'Filetype not supported. Thumbnail not created.' );
		} else {

			// create the initial copy from the original file
			if ( $type[2] == 1 ) {
				$image = imagecreatefromgif( $file );
			}
			elseif ( $type[2] == 2 ) {
				$image = imagecreatefromjpeg( $file );
			}
			elseif ( $type[2] == 3 ) {
				$image = imagecreatefrompng( $file );
			}

			if ( function_exists( 'imageantialias' ))
				imageantialias( $image, TRUE );

			$image_attr = getimagesize( $file );

			// figure out the longest side

			if ( $image_attr[0] > $image_attr[1] ) {
				$image_width = $image_attr[0];
				$image_height = $image_attr[1];
				$image_new_width = $max_side;

				$image_ratio = $image_width / $image_new_width;
				$image_new_height = $image_height / $image_ratio;
				//width is > height
			} else {
				$image_width = $image_attr[0];
				$image_height = $image_attr[1];
				$image_new_height = $max_side;

				$image_ratio = $image_height / $image_new_height;
				$image_new_width = $image_width / $image_ratio;
				//height > width
			}

			$thumbnail = imagecreatetruecolor( $image_new_width, $image_new_height);
			@ imagecopyresampled( $thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1] );

			// If no filters change the filename, we'll do a default transformation.
			if ( basename( $file ) == $thumb = apply_filters( 'thumbnail_filename', basename( $file ) ) )
				$thumb = preg_replace( '!(\.[^.]+)?$!', '.thumbnail' . '$1', basename( $file ), 1 );

			$thumbpath = str_replace( basename( $file ), $thumb, $file );

			// move the thumbnail to its final destination
			if ( $type[2] == 1 ) {
				if (!imagegif( $thumbnail, $thumbpath ) ) {
					$error = __( "Thumbnail path invalid" );
				}
			}
			elseif ( $type[2] == 2 ) {
				if (!imagejpeg( $thumbnail, $thumbpath ) ) {
					$error = __( "Thumbnail path invalid" );
				}
			}
			elseif ( $type[2] == 3 ) {
				if (!imagepng( $thumbnail, $thumbpath ) ) {
					$error = __( "Thumbnail path invalid" );
				}
			}

		}
	} else {
		$error = __( 'File not found' );
	}

	if (!empty ( $error ) ) {
		return $error;
	} else {
		return apply_filters( 'wp_create_thumbnail', $thumbpath );
	}
}

function update_blog_public($old_value, $value) {
	global $wpdb;
	$value = (int) $value;
	do_action('update_blog_public');
	update_blog_status( $wpdb->blogid, 'public', $value );
}

add_action('update_option_blog_public', 'update_blog_public', 10, 2);

function update_option_new_admin_email($old_value, $value) {
	if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
		return;

	$hash = md5( $value.time().mt_rand() );
	$newadminemail = array( 
			"hash" => $hash,
			"newemail" => $value
	);
	update_option( 'adminhash', $newadminemail );
	// TODO: gettext
	wp_mail( $value, "[ " . get_option( 'blogname' ) . " ] New Admin Email Address", "Dear User,

You recently requested to have the administration email address on 
your blog changed. 
If this is correct, please click on the following link to change it:
" . get_option( "siteurl" ) . "/wp-admin/options.php?adminhash={$hash}

You can safely ignore and delete this email if you do not want to
take this action.

This email has been sent to '{$value}'

Regards,
The Webmaster" );
}			

add_action('update_option_new_admin_email', 'update_option_new_admin_email', 10, 2);
?>