Moved everything in wp-inst down a directory.

Uses's Ryan Boren's htaccess rules and mods
If you're upgrading, try this on a test server first!


git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@591 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 168 insertions, 0 deletions

diff --git a/wp-includes/plugin.php b/wp-includes/plugin.php
new file mode 100644
index 0000000..266c271
--- /dev/null
+++ b/wp-includes/plugin.php
@@ -0,0 +1,168 @@
+<?php
+
+//
+// Filter functions, the core of the WP plugin architecture.
+//
+
+function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
+	global $wp_filter;
+
+	// check that we don't already have the same filter at the same priority
+	if ( isset($wp_filter[$tag]["$priority"]) ) {
+		foreach($wp_filter[$tag]["$priority"] as $filter) {
+			// uncomment if we want to match function AND accepted_args
+			// if ( $filter == array($function, $accepted_args) ) {
+			if ( $filter['function'] == $function_to_add ) {
+				return true;
+			}
+		}
+	}
+
+	// So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
+	$wp_filter[$tag]["$priority"][] = array('function'=>$function_to_add, 'accepted_args'=>$accepted_args);
+	return true;
+}
+
+function apply_filters($tag, $string) {
+	global $wp_filter;
+
+	$args = array_slice(func_get_args(), 2);
+
+	merge_filters($tag);
+
+	if ( !isset($wp_filter[$tag]) ) {
+		return $string;
+	}
+	foreach ($wp_filter[$tag] as $priority => $functions) {
+		if ( !is_null($functions) ) {
+			foreach($functions as $function) {
+
+				$all_args = array_merge(array($string), $args);
+				$function_name = $function['function'];
+				$accepted_args = $function['accepted_args'];
+
+				if ( $accepted_args == 1 )
+					$the_args = array($string);
+				elseif ( $accepted_args > 1 )
+					$the_args = array_slice($all_args, 0, $accepted_args);
+				elseif ( $accepted_args == 0 )
+					$the_args = NULL;
+				else
+					$the_args = $all_args;
+
+				$string = call_user_func_array($function_name, $the_args);
+			}
+		}
+	}
+	return $string;
+}
+
+
+function merge_filters($tag) {
+	global $wp_filter;
+	if ( isset($wp_filter['all']) ) {
+		foreach ($wp_filter['all'] as $priority => $functions) {
+			if ( isset($wp_filter[$tag][$priority]) )
+				$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
+			else
+				$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
+			$wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
+		}
+	}
+
+	if ( isset($wp_filter[$tag]) )
+		ksort( $wp_filter[$tag] );
+}
+
+
+
+function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
+	global $wp_filter;
+
+	// rebuild the list of filters
+	if ( isset($wp_filter[$tag]["$priority"]) ) {
+		$new_function_list = array();
+		foreach($wp_filter[$tag]["$priority"] as $filter) {
+			if ( $filter['function'] != $function_to_remove ) {
+				$new_function_list[] = $filter;
+			}
+		}
+		$wp_filter[$tag]["$priority"] = $new_function_list;
+	}
+	return true;
+}
+
+//
+// Action functions
+//
+
+function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
+	add_filter($tag, $function_to_add, $priority, $accepted_args);
+}
+
+function do_action($tag, $arg = '') {
+	global $wp_filter;
+	$extra_args = array_slice(func_get_args(), 2);
+ 	if ( is_array($arg) )
+ 		$args = array_merge($arg, $extra_args);
+	else
+		$args = array_merge(array($arg), $extra_args);
+
+	merge_filters($tag);
+
+	if ( !isset($wp_filter[$tag]) ) {
+		return;
+	}
+	foreach ($wp_filter[$tag] as $priority => $functions) {
+		if ( !is_null($functions) ) {
+			foreach($functions as $function) {
+
+				$function_name = $function['function'];
+				$accepted_args = $function['accepted_args'];
+
+				if ( $accepted_args == 1 ) {
+					if ( is_array($arg) )
+						$the_args = $arg;
+					else
+						$the_args = array($arg);
+				} elseif ( $accepted_args > 1 ) {
+					$the_args = array_slice($args, 0, $accepted_args);
+				} elseif ( $accepted_args == 0 ) {
+					$the_args = NULL;
+				} else {
+					$the_args = $args;
+				}
+
+				$string = call_user_func_array($function_name, $the_args);
+			}
+		}
+	}
+}
+
+function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
+	remove_filter($tag, $function_to_remove, $priority, $accepted_args);
+}
+
+//
+// Functions for handling plugins.
+//
+
+function plugin_basename($file) {
+	$file = preg_replace('|\\\\+|', '\\\\', $file);
+	$file = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
+	return $file;
+}
+
+function register_activation_hook($file, $function) {
+	$file = plugin_basename($file);
+
+	add_action('activate_' . $file, $function);
+}
+
+function register_deactivation_hook($file, $function) {
+	$file = plugin_basename($file);
+
+	add_action('deactivate_' . $file, $function);
+}
+
+?>