实现PHP中的hex2bin
- WBOYOriginal
- 2016-06-08 17:31:121570browse
<script>ec(2);</script>
php中有 bin2hex方法，但没有 hex2bin方法，以下简单实现 hex2bin ：php
function hex2bin($data) {
$len = strlen($data);
return pack("H" . $len, $data); }
?>
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