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run code in 300+ PHP versions simultaneously
<?php $str = <<<STR one blah two blah foo blah three blah foo blah four blah five blah foo blah STR; $regex = "~^foo[\n]*(?:\n|$)~"; echo preg_replace($regex, '', $str, -1, $count), "\n"; echo "$count\n";
Output for git.master, git.master_jit, rfc.property-hooks
one blah two blah foo blah three blah foo blah four blah five blah foo blah 0

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