[英]PHP Preg Match All fails when matching string with HTML.
我在下面尝试匹配类名。
<section className="content_main_container">
<article className="comment_user_propic">
但是仅匹配“文章” className。
我已经尝试了以下方法。
function comments(){
$str = <<<EOT
'<section className="content_main_container">
<article className="comment_user_propic">'
EOT;
return $str;
}
class obfusicate {
function change($str, $prefix){
preg_match_all('#'.$prefix.'="(.*?)"#',$str,$parts);
$array_len = count($parts[1]);
$class_count = 0;
$c_array = [];
foreach($parts[1] as $part){
$rand_name = self::rand_g();
$c_array[$part] = $rand_name;
++$class_count;
$str_1 = str_replace($part, $rand_name, $str);
}
return ['array'=>$c_array, 'string'=>$str_1];
}
}
$obs = new obfusicate;
$result = $obs->change(comments(), 'className');
echo var_dump($result['string']);
您的错误在这里:
foreach($parts[1] as $part){
$rand_name = self::rand_g();
$c_array[$part] = $rand_name;
++$class_count;
$str_1 = str_replace($part, $rand_name, $str); //each time you start over replacing from $str and you lose your last $str_1 value
}
return ['array'=>$c_array, 'string'=>$str_1]; //Assigned after the loop so only the last $str_1 value is stored
EDiT:在最后一行看我的评论
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