Online PHP editor | refs for qRT0Q

<?php function reverse($string) { $substr1 = ""; $substr2 = ""; $strLength = strlen($string)-1; $strLengthHalf = round(strlen($string)-1 / 2); var_dump($strLength); var_dump($strLengthHalf); for ($i = 0; $i < $strLengthHalf - 1; $i++) { $substr1 .= $string[$strLength-$i]; $substr2 .= $string[$strLengthHalf - $i]; } var_dump($substr1); var_dump($substr2); return $string = $substr1.$substr2; } var_dump(reverse('12345'));