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php比较相似字符串的方法

　　本文标签：php,比较,相似字符串

本文实例讲述了php比较相似字符串的方法 。分享给大家供大家参考 。具体分析如下：

这里通过php的similar_text函数比较两个字符串的相似性 。

$word2compare = "stupid";
$words = array(
  stupid,
  stu and pid,
  hello,
  foobar,
  stpid,
  upid,
  stuuupid,
  sstuuupiiid,
);
while(list($id, $str) = each($words)){
  similar_text($str, $word2compare, $percent);
  print "Comparing $word2compare with $str: ";
  print round($percent) . "%\n";
}
/*
Results:
Comparing stupid with stupid: 100%
Comparing stupid with stu and pid: 71%
Comparing stupid with hello: 0%
Comparing stupid with foobar: 0%
Comparing stupid with stpid: 91%
Comparing stupid with upid: 80%
Comparing stupid with stuuupid: 86%
Comparing stupid with sstuuupiiid: 71%
*/

希望本文所述对大家的php程序设计有所帮助 。