Javascript code function checkAll() { var field = document.getElementsByName('list[]'); for (i = 0; i field[i].checked = true ; } function uncheckAll() { var field = document.getElementsByName('list[]'); for (i = 0; i field[i].checked = false ; } PHP Code : if ( isset($_POST['submit']) ) { //print_r($_POST['list']); $postCount = count($_POST['list']); for ( $i=0; $i //$deleteIds .= $_POST['list'][$i].','; echo $_POST['list'][$i]." "; } }