diff --git a/loops/php/code.php b/loops/php/code.php
index 63e7f311..698ef707 100644
--- a/loops/php/code.php
+++ b/loops/php/code.php
@@ -4,8 +4,8 @@
 
 function main(int $u)
 {
-    $r = rand(0, 10000);                                # Get a random number 0 <= r < 10k
-    $a = array_fill(0, 10000, 0);    # Array of 10k elements initialized to 0
+    $r = mt_rand(0, 10000);                                # Get a random number 0 <= r < 10k
+    $a = new SplFixedArray(10000);             # Array of 10k elements initialized to 0
     for ($i = 0; $i < 10000; $i++) {                    # 10k outer loop iterations
         for ($j = 0; $j < 100000; $j++) {               # 100k inner loop iterations, per outer loop iteration
             $a[$i] += $j%$u;                    # Simple sum