php class.Diff文本或文件内容差异对比代码（类似svn）-php代码-BFW代码库

php class.Diff文本或文件内容差异对比代码（类似svn）

代码语言：php

所属分类：文件

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<?php

/*

class.Diff.php

A class containing a diff implementation

Created by Stephen Morley - http://stephenmorley.org/ - and released under the
terms of the CC0 1.0 Universal legal code:

http://creativecommons.org/publicdomain/zero/1.0/legalcode

*/

// A class containing functions for computing diffs and formatting the output.
class Diff{

  // define the constants
  const UNMODIFIED = 0;
  const DELETED    = 1;
  const INSERTED   = 2;

  /* Returns the diff for two strings. The return value is an array, each of
   * whose values is an array containing two values: a line (or character, if
   * $compareCharacters is true), and one of the constants DIFF::UNMODIFIED (the
   * line or character is in both strings), DIFF::DELETED (the line or character
   * is only in the first string), and DIFF::INSERTED (the line or character is
   * only in the second string). The parameters are:
   *
   * $string1           - the first string
   * $string2           - the second string
   * $compareCharacters - true to compare characters, and false to compare
   *                      lines; this optional parameter defaults to false
   */
  public static function compare(
      $string1, $string2, $compareCharacters = false){

    // initialise t.........完整代码请登录后点击上方下载按钮下载查看