Remove unneeded WP polyfills, rename class to CSSURLProcessor

Author: adamziel

components/DataLiberation/URL/class-cssurlprocessor.php

@@ -7,7 +7,7 @@
 /**
  * Provides URL specific helpers on top of the CSSProcessor tokenizer.
  */
-class CSSUrlProcessor {
+class CSSURLProcessor {
 	/**
 	 * @var CSSProcessor
 	 */

components/Polyfill/wordpress.php

@@ -75,9 +75,7 @@ function __( $input ) {
 
 if ( ! function_exists( 'esc_attr' ) ) {
 	function esc_attr( $input ) {
-		$safe_text = htmlspecialchars( $input, ENT_QUOTES, 'UTF-8' );
-
-		return apply_filters( 'attribute_escape', $safe_text, $input );
+		return htmlspecialchars( $input );
 	}
 }
 
@@ -114,32 +112,6 @@ function add_filter( $hook_name, $callback, $priority = 10, $accepted_args = 1 )
 	}
 }
 
-if ( ! function_exists( 'remove_filter' ) ) {
-	function remove_filter( $hook_name, $callback, $priority = 10 ) {
-		global $wp_filter;
-		if (
-			! isset( $wp_filter[ $hook_name ] ) ||
-			! isset( $wp_filter[ $hook_name ][ $priority ] )
-		) {
-			return false;
-		}
-
-		foreach ( $wp_filter[ $hook_name ][ $priority ] as $index => $function ) {
-			if ( $function['function'] === $callback ) {
-				unset( $wp_filter[ $hook_name ][ $priority ][ $index ] );
-
-				if ( empty( $wp_filter[ $hook_name ][ $priority ] ) ) {
-					unset( $wp_filter[ $hook_name ][ $priority ] );
-				}
-
-				return true;
-			}
-		}
-
-		return false;
-	}
-}
-
 if ( ! function_exists( 'add_action' ) ) {
 	function add_action( $hook_name, $callback, $priority = 10, $accepted_args = 1 ) {
 		return add_filter( $hook_name, $callback, $priority, $accepted_args );