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@ 2014-01-24T09:44:19Z

<?php

if (PHP_VERSION_ID === 50508)
{

	$string = "miauw\xe1\x8e\xa3";

	preg_replace('/./uD', '', $string, -1, $count);

	var_dump(
		$string,
    	$count
	);
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

44.48 ms | 402 KiB | 5 Q