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@ 2016-11-23T16:58:16Z

<?php

$arguments = "ahoj_ahoj   hello www www";

var_dump(ereg_replace("\w+", ' ', $arguments));
var_dump(preg_replace('/\w+/', ' ', $arguments));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

57.5 ms | 402 KiB | 5 Q