php 清洁字符串（删除特殊字符）

Posted 2021-05-04

<?php 

function clean($string) {
    $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
    return preg_replace('/[^A-Za-z0-9]/', ' ', $string); // Removes special chars.
}

echo clean('test!` here@$%'); // test here