怎么用PHP给HTML的li标签加class属性？_IT百科

首先，你文件得是.php的，或者会经过php解析（比如模板引擎），

<?php

$str = '<a id="btlist10" st="1" ditem="true" class="item multi-lines with-avatar" ftios="1" ck="TlRZNFlUSTRNakk9"

ft="1" data="我想匹配的属性值" ix="10" analytical="false" s1="我想匹配的属性值2"

jxd1="0781C99068C8FEBF" jxd2="69A2D6435ABEAF87817A812290560AB3" onclick="openmenu($(this))">'

$fun = function($str,$key){

$str=preg_replace("/[\s\S]*\s".$key."[=\"\']+([^\"\']*)[\"\'][\s\S]*/","$1",$str)

return $str

}

$data = $fun($str, "data")

echo $data

echo "\n"

$s1 = $fun($str, "s1")

echo $s1

echo "\n"

$other = $fun($str, "ck")

echo $other

echo "\n"

$other = $fun($str, "onclick")

echo $other

创建一个 hello 脚本，命名为 hello.php：

<html>

<head>

</head>

<body>

<?php echo '<p>Hello World</p>'?>

</body>

</html>

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怎么用PHP给HTML的li标签加class属性？