Ticket #14721: 14721.diff

wp-includes/theme.php

@@ -914 +914 @@
 function set_theme_mod( $name, $value ) {
         $mods = get_theme_mods();
 
-        $mods[ $name ] = $value;
+        /**
+         * Filter the theme modification, or 'theme_mod', value.
+         *
+         * The dynamic portion of the hook name, $name, refers to the key name of
+         * the modification array. For example, 'header_textcolor', 'header_image',
+         * and so on depending on the theme options.
+         *
+         * @since unknown
+         *
+         * @param string $value The value of the current theme modification.
+         */
+        $mods[ $name ] = apply_filters( "set_theme_mod_$name", $value );
 
         $theme = get_option( 'stylesheet' );
         update_option( "theme_mods_$theme", $mods );