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run code in 300+ PHP versions simultaneously
<?php $str="Wello!"; $h1=dechex(crc32($str)); $h2=hash("crc32",$str); var_dump($h1===$h2,$h1,$h2);
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) string(8) "6faa7c18" string(8) "25f73334"

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