Online PHP editor | output for r92pV

<?php $inputString = "1-234 567-893"; $pattern = '/[ \-]/'; $replacement = ''; $inputString = preg_replace($pattern,$replacement,$inputString); $inputString = trim($inputString); $count = strlen($inputString); //echo $inputString;exit; $rem = ($count%3); $pos = 0; if ($rem == 1){ $pos =4; $count = ($count - $pos); } else if($rem == 2) { $pos = 2; $count = ($count - $pos); } $phoneNumber = ""; for($k=0;$k<$count;$k++){ if($k % 4 !=0 || $k == 0){ $phoneNumber = $phoneNumber.$inputString[$k]; $phoneNumber = trim($phoneNumber); }else{ $phoneNumber = $phoneNumber.'-'; } } echo $phoneNumber;exit; if($rem == 2){ $phoneNumber.= '-'.$inputString[$count+1].$inputString[$count+2]; }else if($rem == 1){ $phoneNumber.= '-'.$inputString[$count+1].$inputString[$count+2].'-'.$inputString[$count+3].$inputString[$count+4]; }