<?php
$a = "<a>河蟹社会afeowahgieawhjozf候蛇fawgwea维稳aghoiawghowi我日</a>";
$result = preg_replace('/([\x80-\xff]*)/i','',$a);
var_dump($result);
打印结果: string(43) "afeowahgieawhjozffawgweaaghoiawghowi"
<?php
$a = "<a>河蟹社会afeowahgieawhjozf候蛇fawgwea维稳aghoiawghowi我日</a>";
$result = preg_replace('/([\x80-\xff]*)/i','',$a);
var_dump($result);
打印结果: string(43) "afeowahgieawhjozffawgweaaghoiawghowi"
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