3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(new stdClass, new stdClass, new stdClass); $array[0]->a = 10; $array[1]->a = 30; $array[2]->a = 20; for ($i = 0; $i < 3; $i++) { for ($j = 0; $j <= $i; $j++) { $x = $array[$i]; $y = $array[$j]; if ($x < $y) print("$i<$j "); if ($x > $y) print("$i>$j "); if ($x === $y) print("$i===$j "); print(" "); } print("\n"); } print("\n"); $array[0]->a = 10; $array[1]->a = 30; $array[2]->a = 20; for ($i = 0; $i < 3; $i++) { for ($j = 0; $j <= $i; $j++) { $x = $array[$i]; $y = $array[$j]; if ($x < $y) print("$i<$j "); if ($x > $y) print("$i>$j "); if ($x === $y) print("$i===$j "); print(" "); } print("\n"); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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>0 1===1 2>0 2<1 2===2 0===0 1>0 1===1 2>0 2<1 2===2
preferences:
353.13 ms | 406 KiB | 459 Q