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run code in 300+ PHP versions simultaneously
<?php $s = '<iframe width="800"><embed width=300>fdgdfg</embed>sfsdfsdf</iframe>'; echo preg_replace('~(.*width=["]?)(\d+)(["]?.*)~', '${1}222${3}', $s);
Output for git.master, git.master_jit, rfc.property-hooks
<iframe width="800"><embed width=222>fdgdfg</embed>sfsdfsdf</iframe>

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