: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* Determines the location of an asset within the SEO plugin.
final class WPSEO_Admin_Asset_SEO_Location implements WPSEO_Admin_Asset_Location {
* Path to the plugin file.
* Whether or not to add the file suffix to the asset.
protected $add_suffix = true;
* The plugin file to base the asset location upon.
* @param string $plugin_file The plugin file string.
* @param bool $add_suffix Optional. Whether or not a file suffix should be added.
public function __construct( $plugin_file, $add_suffix = true ) {
$this->plugin_file = $plugin_file;
$this->add_suffix = $add_suffix;
* Determines the URL of the asset on the dev server.
* @param WPSEO_Admin_Asset $asset The asset to determine the URL for.
* @param string $type The type of asset. Usually JS or CSS.
* @return string The URL of the asset.
public function get_url( WPSEO_Admin_Asset $asset, $type ) {
$path = $this->get_path( $asset, $type );
return plugins_url( $path, $this->plugin_file );
* Determines the path relative to the plugin folder of an asset.
* @param WPSEO_Admin_Asset $asset The asset to determine the path for.
* @param string $type The type of asset.
* @return string The path to the asset file.
protected function get_path( WPSEO_Admin_Asset $asset, $type ) {
case WPSEO_Admin_Asset::TYPE_JS:
$relative_path = 'js/dist/' . $asset->get_src();
if ( $this->add_suffix ) {
$relative_path .= $asset->get_suffix() . '.js';
case WPSEO_Admin_Asset::TYPE_CSS:
// Path and suffix for RTL stylesheets.
if ( is_rtl() && $asset->has_rtl() ) {
$relative_path = 'css/dist/' . $asset->get_src() . $rtl_suffix . $asset->get_suffix() . '.css';