How to remove Chinese characters in php

php method to remove Chinese characters: first create a PHP sample file; then use the regular expression "preg_replace('/([\x80-\xff]*)/i','',$a); "Just replace the Chinese characters with empty characters.

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PHP removes Chinese characters from strings

As the title says, to delete the Chinese characters in a string, just replace the Chinese characters with empty characters using regular rules:

<?php
header(&#39;Content-type:text/html;charset=utf-8&#39;);
 
 
function p($arr){
echo "<pre class="brush:php;toolbar:false">";
print_r($arr);
echo "

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