3v4l.org

run code in 300+ PHP versions simultaneously
<?php $query = array( 'a' => 'b', 'c' => 'd' ); var_dump($query, array('a')); var_dump($query, array('a' => null))

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)
5.6.80.0170.07020.38
5.5.240.0000.04020.35
5.4.400.0300.06018.79
5.4.390.0370.07018.50
5.4.380.0270.06718.54
5.4.370.0330.05718.63
5.4.360.0300.05318.68
5.4.350.0470.05018.70
5.4.340.0300.06018.82
5.4.320.0400.05718.63
5.4.310.0470.06018.68
5.4.300.0330.06018.71
5.4.290.0370.05018.46
5.4.280.0530.06318.68
5.4.270.0370.07718.59
5.4.260.0600.05718.78
5.4.250.0330.06318.65
5.4.240.0370.07018.50
5.4.230.0500.07318.48
5.4.220.0430.07318.68
5.4.210.0530.07018.60
5.4.200.0400.08016.61
5.4.190.0530.07318.44
5.4.180.0400.07318.47
5.4.170.0630.07018.70
5.4.160.0330.05718.54
5.4.150.0070.06718.54
5.4.140.0100.06016.30
5.4.130.0370.04716.16
5.4.120.0370.05016.23
5.4.110.0370.05716.21
5.4.100.0430.06016.32
5.4.90.0330.06716.21
5.4.80.0530.04316.03
5.4.70.0400.05016.28
5.4.60.0370.05016.11
5.4.50.0430.04716.17
5.4.40.0330.07016.32
5.4.30.0530.05016.23
5.4.20.0270.06316.32
5.4.10.0370.06316.18
5.4.00.0430.06015.85
5.3.290.0400.06014.75
5.3.280.0400.05014.61
5.3.270.0400.06014.68
5.3.260.0370.05714.57
5.3.250.0270.05714.70
5.3.240.0270.05714.60
5.3.230.0370.05714.61
5.3.220.0470.05014.64
5.3.210.0330.07314.48
5.3.200.0430.07014.54
5.3.190.0270.06714.52
5.3.180.0400.05314.56
5.3.170.0430.04714.55
5.3.160.0400.05314.58
5.3.150.0370.05314.66
5.3.140.0430.05314.47
5.3.130.0470.07714.46
5.3.120.0330.05314.50
5.3.110.0200.06014.48
5.3.100.0330.05313.95
5.3.90.0300.05314.07
5.3.80.0400.05013.95
5.3.70.0330.07013.96
5.3.60.0370.04713.97
5.3.50.0370.04313.92
5.3.40.0270.06014.02
5.3.30.0400.06313.88
5.3.20.0400.06713.64
5.3.10.0270.05313.68
5.3.00.0470.06013.60
5.2.170.0300.06011.30
5.2.160.0300.05711.11
5.2.150.0300.04011.18
5.2.140.0330.05311.20
5.2.130.0230.06311.13
5.2.120.0300.05011.05
5.2.110.0230.04711.03
5.2.100.0330.03011.13
5.2.90.0170.04311.09
5.2.80.0300.04011.05
5.2.70.0370.05311.07
5.2.60.0300.04311.09
5.2.50.0270.04310.94
5.2.40.0270.04310.97
5.2.30.0230.04311.00
5.2.20.0230.04010.91
5.2.10.0370.03710.87
5.2.00.0270.04310.86
5.1.60.0170.0379.99
5.1.50.0230.04010.03
5.1.40.0300.03710.07
5.1.30.0170.03710.31
5.1.20.0230.04710.37
5.1.10.0330.04710.09
5.1.00.0230.05010.21
5.0.50.0200.0338.68
5.0.40.0200.0338.43
5.0.30.0130.0478.31
5.0.20.0170.0308.27
5.0.10.0200.0278.21
5.0.00.0170.0478.29
4.4.90.0170.0205.87
4.4.80.0130.0205.90
4.4.70.0100.0235.89
4.4.60.0100.0275.89
4.4.50.0200.0275.93
4.4.40.0100.0375.93
4.4.30.0200.0235.81
4.4.20.0130.0235.95
4.4.10.0030.0305.94
4.4.00.0100.0475.91
4.3.110.0170.0275.75
4.3.100.0100.0305.78
4.3.90.0130.0275.82
4.3.80.0100.0405.77
4.3.70.0100.0235.79
4.3.60.0230.0175.83
4.3.50.0130.0205.79
4.3.40.0170.0335.75
4.3.30.0030.0274.73
4.3.20.0030.0274.73
4.3.10.0000.0274.73
4.3.00.0030.0206.95

preferences:
153.82 ms | 1394 KiB | 7 Q