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run code in 300+ PHP versions simultaneously
<?php function sphinxesc($x){ $depth = 0; for ($i = 0; $i < strlen($x); ++$i){ $depth += $x[$i] == '(' ? 1 : 0; $depth -= $x[$i] == ')' ? 1 : 0; } if($depth != 0) $x = str_replace(array('(',')'),' ',$x); $x = str_replace(array('/','~','@'), ' ',$x); $x = preg_replace('/[\!\-\^]+(?!\w)/', ' ',$x); } echo sphinxesc('hi! this is shit!');

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