scossdl_off_filter() │ WPSCache 1.0

Output filter which runs the actual plugin logic.

Return

String. The rewritten content.

Usage

scossdl_off_filter( $content );

$content(string) (required)

The content of the output buffer.

Code of scossdl_off_filter() scossdl off filter ^{WPSCache 1.9}

function scossdl_off_filter( $content ) {
	global $ossdl_off_blog_url, $ossdl_off_cdn_url;
	global $ossdl_off_include_dirs, $ossdl_off_excludes, $ossdl_arr_of_cnames;

	if ( empty( $content ) || empty( $ossdl_off_cdn_url ) ||
		$ossdl_off_blog_url === $ossdl_off_cdn_url
	) {
		return $content; // no rewrite needed.
	}

	if ( empty( $ossdl_off_include_dirs ) || ! is_array( $ossdl_off_include_dirs ) ) {
		$ossdl_off_include_dirs = scossdl_off_default_inc_dirs();
	}

	if ( empty( $ossdl_off_excludes ) || ! is_array( $ossdl_off_excludes ) ) {
		$ossdl_off_excludes = array();
	}

	if ( ! in_array( $ossdl_off_cdn_url, (array) $ossdl_arr_of_cnames, true ) ) {
		$ossdl_arr_of_cnames = array_merge( array( $ossdl_off_cdn_url ), (array) $ossdl_arr_of_cnames );
	}

	$ossdl_arr_of_cnames = apply_filters( 'wpsc_cdn_urls', $ossdl_arr_of_cnames );

	$dirs  = scossdl_off_additional_directories();
	$regex = '`(?<=[(\"\'])' . preg_quote( $ossdl_off_blog_url, '`' ) . '/(?:((?:' . $dirs . ')[^\"\')]+)|([^/\"\']+\.[^/\"\')]+))(?=[\"\')])`';
	return preg_replace_callback( $regex, 'scossdl_off_rewriter', $content );
}