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<?php function permutations($array) { $list = array(); for ($i=0; $i<=10000; $i++) { shuffle($array); $tmp = implode(',',$array); if (isset($list[$tmp])) { $list[$tmp]++; } else { $list[$tmp] = 1; } } ksort($list); $list = array_keys($list); return $list; } function CreateRegex($array) { $toReturn = '/'; foreach($array AS $value) { //Contains spaces if(strpos($value, " ") != false) { $pieces = explode(" ", $value); $combos = permutations($pieces); foreach($combos AS $currentCombo) { $currentPieces = explode(',', $currentCombo); foreach($currentPieces AS $finallyGotIt) { $toReturn .= '\b' . $finallyGotIt . '.*?'; } $toReturn = substr($toReturn, 0, -3) . '|'; } } else { $toReturn .= '\b' . $value . '|'; } } $toReturn = substr($toReturn, 0, -1) . '/'; return $toReturn; } var_dump(CreateRegex(array('apple', 'banana', 'strawberry', 'pear cake'))); ?>
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