Online PHP editor | refs for uRANi

<?php $text= "abce dfia jicd fbii"; $consonants = array_diff(range('a', 'z'), array('a', 'e', 'i', 'o', 'u')); $cset = '[' . implode('', $consonants) . ']'; echo preg_replace("/($cset)($cset)/", '$1-$2', $text) . PHP_EOL; $text = 'abcce ibddfa'; $text = preg_replace("/($cset)($cset)/", '$1-$2', $text); echo preg_replace("/($cset)($cset)/", '$1-$2', $text) . PHP_EOL;