3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass; $b = new stdClass; $c = new stdClass; $array1 = array($a, $b, $c); for ($i = 0; $i < 3; $i++) { for ($j = 0; $j <= $i; $j++) { $x = $array1[$i]; $y = $array1[$j]; if ($x < $y) print("$i<$j "); if ($x > $y) print("$i>$j "); if ($x === $y) print("$i!=$j "); print(" "); } print("\n"); }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
0!=0 1!=1 2!=2
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
0!=0 1!=0 1!=1 2!=0 2!=1 2!=2

preferences:
285.63 ms | 402 KiB | 367 Q