How to loop through a normal array

// one dimensional // $a = array(1, 2, 3, 17); foreach ($a as $v) { echo "Current value of $a: $v.\n"; } // 2-dimensional // $a[0][0] = "a"; $a[0][1] = "b"; $a[1][0] = "y"; $a[1][1] = "z"; foreach ($a as $v1) { foreach ($v1 as $v2) { echo "$v2\n"; } }