Online PHP editor | refs for EBQEX

<?php $str = "value1 , value2 , value3 , value4 , value5 value1 , value2 , value3 , value4 , value5 value1 , value2 , value3 , value4 , value5 value1 , value2 , value3 , value4 , value5"; $arr= explode(PHP_EOL, $str); For($i=0; $i<count($arr); $i++){ If(substr_count($arr[$i], ",") != 4){ $arr[$i+1] = $arr[$i] . " " . $arr[$i+1]; Unset($arr[$i]); } } Echo implode(PHP_EOL, $arr);