Ticket #22308: 22308-better-test.2.diff

wp-includes/class-wp-image-editor-imagick.php

@@ -34 +34 @@
          * @return boolean
          */
         public static function test( $args = null ) {
-                if ( ! extension_loaded( 'imagick' ) )
+                if ( ! extension_loaded( 'imagick' ) || ! is_callable( 'Imagick', 'queryFormats' ) )
                         return false;
 
                 return true;