Online PHP editor | output for X1ehQ

<?php $str = <<<EOF (50.54309395492101, 8.515777587890625)(50.59194113547687, 8.647613525390625)(50.66250551544689, 8.765716552734375)(50.699922592840785, 8.842620849609375)(50.645962883774004, 8.795928955078125)(50.63289879592736, 8.7615966796875)(50.609374285799454, 8.71490478515625)(50.57798996541261, 8.680572509765625)(50.5605451899225, 8.64898681640625)(50.53785732470035, 8.56109619140625)(50.5291283155526, 8.513031005859375)(50.5291283155526, 8.513031005859375) EOF; $count = preg_match_all('/(\d+\.\d+)/', $str, $matches); if ($count === false || ($count % 2 != 0)) { // error } else { $pairs = array(); for ($i = 0; $i < $count; $i+=2) { $pairs[] = array($matches[0][$i], $matches[0][$i+1]); } echo count($pairs); }