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<?php
class WP_Styles extends WP_Dependencies {
var $base_url;
var $default_version;
var $text_direction = 'ltr';
function __construct() {
do_action_ref_array( 'wp_default_styles', array(&$this) );
}
function do_item( $handle ) {
if ( !parent::do_item($handle) )
return false;
$ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
if ( isset($this->args[$handle]) )
$ver .= '&' . $this->args[$handle];
if ( isset($this->registered[$handle]->args) )
$media = attribute_escape( $this->registered[$handle]->args );
else
$media = 'all';
$href = $this->_css_href( $this->registered[$handle]->src, $ver, $handle );
$end_cond = '';
if ( isset($this->registered[$handle]->extra['conditional']) && $this->registered[$handle]->extra['conditional'] ) {
echo "<!--[if {$this->registered[$handle]->extra['conditional']}]>\n";
$end_cond = "<![endif]-->\n";
}
echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$href' type='text/css' media='$media' />\n", $handle );
if ( 'rtl' === $this->text_direction && isset($this->registered[$handle]->extra['rtl']) && $this->registered[$handle]->extra['rtl'] ) {
if ( is_bool( $this->registered[$handle]->extra['rtl'] ) )
$rtl_href = str_replace( '.css', '-rtl.css', $href );
else
$rtl_href = $this->_css_href( $this->registered[$handle]->extra['rtl'], $ver, "$handle-rtl" );
echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$rtl_href' type='text/css' media='$media' />\n", $handle );
}
echo $end_cond;
// Could do something with $this->registered[$handle]->extra here to print out extra CSS rules
// echo "<style type='text/css'>\n";
// echo "/* <![CDATA[ */\n";
// echo "/* ]]> */\n";
// echo "</style>\n";
return true;
}
function all_deps( $handles, $recursion = false ) {
$r = parent::all_deps( $handles, $recursion );
if ( !$recursion )
$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
return $r;
}
function _css_href( $src, $ver, $handle ) {
if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
$src = $this->base_url . $src;
}
$src = add_query_arg('ver', $ver, $src);
$src = apply_filters( 'style_loader_src', $src, $handle );
return clean_url( $src );
}
}
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