Online PHP editor | output for ua29Q

<?php $inputString = "80"; $pattern = '/[ \-]/'; $replacement = ''; $inputString = preg_replace($pattern,$replacement,$inputString); $inputString = trim($inputString); $count = strlen($inputString); //echo $inputString;exit; $rem = ($count%3); 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 % 3 !=0 || $k == 0){ $phoneNumber = $phoneNumber.$inputString[$k]; $phoneNumber = trim($phoneNumber); }else{ $phoneNumber = $phoneNumber.'-'.$inputString[$k]; } } //echo $phoneNumber;exit; if($rem == 2){ $phoneNumber.= '-'.$inputString[$count].$inputString[$count+1]; }else if($rem == 1){ $phoneNumber.= '-'.$inputString[$count].$inputString[$count+1].'-'.$inputString[$count+2].$inputString[$count+3]; } echo $phoneNumber;exit;