3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo implements ArrayAccess { public function offsetSet($offset, $value) { var_dump(__METHOD__); } public function offsetExists($var) { var_dump(__METHOD__); if ($var == "foobar") { return true; } return false; } public function offsetUnset($var) { var_dump(__METHOD__); } public function offsetGet($var) { var_dump(__METHOD__); return "value"; } } var_dump($foo['bar']); var_dump(array_key_exists($foo['bar']);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.210.0230.06018.98
5.4.200.0300.04719.21
5.4.190.0200.07319.12
5.4.180.0230.06719.06
5.4.170.0230.03319.23
5.4.160.0200.05718.96
5.4.150.0300.04319.11
5.4.140.0200.06316.51
5.4.130.0200.07016.28
5.4.120.0230.06716.32
5.4.110.0330.05316.51
5.4.100.0230.03716.46
5.4.90.0130.04016.53
5.4.80.0200.04716.54
5.4.70.0200.04016.38
5.4.60.0330.06716.38
5.4.50.0230.07716.25
5.4.40.0300.04016.56
5.4.30.0300.06316.24
5.4.20.0170.04016.35
5.4.10.0270.04316.37
5.4.00.0270.06015.70
5.3.270.0200.07014.54
5.3.260.0170.04314.56
5.3.250.0200.07014.79
5.3.240.0200.03714.66
5.3.230.0170.05714.68
5.3.220.0230.07314.65
5.3.210.0270.07014.66
5.3.200.0230.07314.47
5.3.190.0200.04014.61
5.3.180.0200.03714.64
5.3.170.0230.04714.59
5.3.160.0230.06014.64
5.3.150.0200.07014.57
5.3.140.0230.03714.67
5.3.130.0200.04714.55
5.3.120.0170.04014.59
5.3.110.0170.04014.48
5.3.100.0270.04313.96
5.3.90.0200.07313.93
5.3.80.0170.04714.10
5.3.70.0170.07014.02
5.3.60.0170.04313.93
5.3.50.0200.04013.85
5.3.40.0200.07014.07
5.3.30.0200.04313.82
5.3.20.0270.06713.82
5.3.10.0170.04013.82
5.3.00.0270.06713.73

preferences:
136.28 ms | 1398 KiB | 7 Q