<?php function array_front9($nums) { for ($i = 0; $i <= 3; $i++) { if ($nums[$i] == 9) { return "true"; } } return "false"; } print array_front9([1, 2, 9, 3, 4]); print array_front9([1, 2, 3, 4, 9]); print array_front9([1, 2, 3, 4, 5]);
//Quiz: Write function array_front9($nums) that returns 'true' if one of the first //four numbers in the array is 9, and 'false' otherwise function array_front9($nums) { for ($k=0; $k<4; $k++){ if ($nums[$k] == 9){ return 'true'; } } return 'false'; } $nums = array(0,0,0,0,9); $num = array(0,0,9,9); $n = array (0,9); echo array_front9 ($nums)."<br>"; echo array_front9 ($num)."<br>"; echo array_front9 ($n)."<br>"; ?> <?php //Matt's answer function front9($numb) { for($a=0; $a<4; $a++){ if ($a<count($numb) && $numb[$a]==9) return "true"; } return "false"; //put this outside the loop to test out the whole loop first } $result = front9(array(9,0,0,0));