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run code in 300+ PHP versions simultaneously
<?php $x = array(); $x["0"] = "foo"; $x["1"] = "bar"; foreach ($x as $k => $v) { var_dump($k); var_dump($v); } echo "-----------\r\n"; $x["3"] = "baz"; foreach ($x as $k => $v) { var_dump($k); var_dump($v); }
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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
int(0) string(3) "foo" int(1) string(3) "bar" ----------- int(0) string(3) "foo" int(1) string(3) "bar" int(3) string(3) "baz"
preferences:
237.04 ms | 406 KiB | 357 Q