Edit file File name : wp-diff.php Content :<?php /** * WordPress Diff bastard child of old MediaWiki Diff Formatter. * * Basically all that remains is the table structure and some method names. * * @package WordPress * @subpackage Diff */ if ( ! class_exists( 'Text_Diff', false ) ) { /** Text_Diff class */ require ABSPATH . WPINC . '/Text/Diff.php'; /** Text_Diff_Renderer class */ require ABSPATH . WPINC . '/Text/Diff/Renderer.php'; /** Text_Diff_Renderer_inline class */ require ABSPATH . WPINC . '/Text/Diff/Renderer/inline.php'; /** Text_Exception class */ require ABSPATH . WPINC . '/Text/Exception.php'; } require ABSPATH . WPINC . '/class-wp-text-diff-renderer-table.php'; require ABSPATH . WPINC . '/class-wp-text-diff-renderer-inline.php'; Save