3v4l.org

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

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)
8.3.40.0070.00718.51
8.3.30.0140.00718.96
8.3.20.0040.00420.04
8.3.10.0050.00321.74
8.3.00.0060.00320.74
8.2.170.0040.01822.96
8.2.160.0030.01022.26
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0050.00319.83
8.2.110.0060.00320.23
8.2.100.0110.00017.78
8.2.90.0030.00619.06
8.2.80.0090.00017.97
8.2.70.0090.00017.50
8.2.60.0060.00317.93
8.2.50.0080.00018.10
8.2.40.0030.00518.03
8.2.30.0040.00417.86
8.2.20.0040.00417.66
8.2.10.0030.00518.07
8.2.00.0050.00317.48
8.1.270.0090.00018.78
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0030.00623.73
8.1.230.0090.00321.02
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0080.00017.22
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00820.24
8.1.160.0040.00421.98
8.1.150.0050.00318.76
8.1.140.0040.00417.24
8.1.130.0050.00317.81
8.1.120.0000.00717.41
8.1.110.0050.00317.36
8.1.100.0050.00217.26
8.1.90.0000.00817.21
8.1.80.0000.00717.26
8.1.70.0030.00317.39
8.1.60.0000.00817.39
8.1.50.0040.00417.44
8.1.40.0000.00717.45
8.1.30.0030.00617.45
8.1.20.0080.00017.52
8.1.10.0040.00417.30
8.1.00.0040.00417.35
8.0.300.0080.00018.77
8.0.290.0000.00816.63
8.0.280.0030.00318.24
8.0.270.0040.00417.14
8.0.260.0060.00017.19
8.0.250.0060.00016.91
8.0.240.0060.00016.92
8.0.230.0030.00316.91
8.0.220.0000.00716.80
8.0.210.0030.00316.70
8.0.200.0000.00616.87
8.0.190.0000.00716.83
8.0.180.0000.00816.72
8.0.170.0050.00316.83
8.0.160.0030.00316.73
8.0.150.0070.00016.74
8.0.140.0030.00316.73
8.0.130.0000.00813.33
8.0.120.0040.00416.81
8.0.110.0070.00016.81
8.0.100.0000.00716.80
8.0.90.0040.00416.81
8.0.80.0060.00916.86
8.0.70.0040.00416.79
8.0.60.0000.00716.63
8.0.50.0040.00416.88
8.0.30.0120.01117.08
8.0.20.0130.00817.40
8.0.10.0000.00716.73
8.0.00.0100.00816.58
7.4.330.0000.00515.03
7.4.320.0000.00616.48
7.4.300.0040.00416.57
7.4.290.0080.00016.42
7.4.280.0000.00816.48
7.4.270.0000.00716.57
7.4.260.0000.00716.53
7.4.250.0000.00816.47
7.4.240.0000.00716.42
7.4.230.0030.00316.46
7.4.220.0060.01116.50
7.4.210.0060.00916.57
7.4.200.0000.00716.42
7.4.160.0080.01116.26
7.4.150.0090.01117.40
7.4.140.0120.00917.86
7.4.130.0140.00916.43
7.4.120.0090.00916.52
7.4.110.0120.00616.41
7.4.100.0060.01216.37
7.4.90.0080.00816.38
7.4.80.0140.00316.30
7.4.70.0060.01216.22
7.4.60.0090.00616.26
7.4.50.0000.00816.30
7.4.40.0070.01716.51
7.4.30.0090.01216.47
7.4.00.0040.01214.70
7.3.330.0060.00012.98
7.3.320.0140.00012.95
7.3.310.0000.00715.95
7.3.300.0000.00616.14
7.3.290.0000.00716.16
7.3.280.0070.01016.12
7.3.270.0100.01417.40
7.3.260.0100.00616.18
7.3.250.0130.00616.43
7.3.240.0100.00716.17
7.3.230.0160.00616.39
7.3.210.0070.01016.18
7.3.200.0120.01019.39
7.3.190.0100.01116.39
7.3.180.0030.01616.29
7.3.170.0060.01216.27
7.3.160.0090.00616.28
7.3.10.0070.00716.21
7.3.00.0000.01416.45
7.2.330.0130.00316.17
7.2.320.0030.01316.23
7.2.310.0000.01916.54
7.2.300.0100.00616.58
7.2.290.0130.00416.32
7.2.130.0060.00616.74
7.2.120.0090.00616.70
7.2.110.0060.00616.74
7.2.100.0050.00316.78
7.2.90.0030.00616.68
7.2.80.0000.01216.53
7.2.70.0000.01116.91
7.2.60.0040.00416.74
7.2.50.0040.01116.36
7.2.40.0050.00316.54
7.2.30.0060.00316.91
7.2.20.0030.01016.76
7.2.10.0000.00916.87
7.2.00.0070.00517.69
7.1.250.0050.00415.81
7.1.100.0030.01018.17
7.1.70.0040.01117.16
7.1.60.0030.01419.46
7.1.50.0030.00916.67
7.1.00.0030.07722.28
7.0.200.0120.00014.58
7.0.140.0000.05722.04
7.0.60.0100.07720.05
7.0.50.0070.03717.85
7.0.40.0170.07020.24
7.0.30.0400.06720.21
7.0.20.0330.05320.09
7.0.10.0100.07020.16
7.0.00.0070.09320.08
5.6.280.0000.07720.98
5.6.210.0070.08020.70
5.6.200.0030.04318.19
5.6.190.0070.07720.57
5.6.180.0200.04320.41
5.6.170.0230.05720.52
5.6.160.0030.05020.54
5.6.150.0030.04018.20
5.6.140.0030.04018.11
5.6.130.0030.04018.18
5.6.120.0030.08321.12
5.6.110.0100.08320.88
5.6.100.0070.04321.00
5.6.90.0070.07320.97
5.6.80.0000.04320.40
5.5.350.0230.05020.37
5.5.340.0030.08318.03
5.5.330.0100.07320.25
5.5.320.0030.08720.31
5.5.310.0170.06320.16
5.5.300.0000.04717.92
5.5.290.0070.04017.91
5.5.280.0070.04720.72
5.5.270.0030.09020.79
5.5.260.0030.04020.88
5.5.250.0070.08720.68
5.5.240.0170.07720.15
5.4.450.0400.06019.48
5.4.440.1000.06319.62
5.4.430.0900.06719.63
5.4.420.0900.05719.58
5.4.410.0830.05319.34
5.4.400.0970.06318.78
5.4.390.0100.06018.69
5.4.380.0200.05018.70
5.4.370.0270.05318.62
5.4.360.0270.04718.50
5.4.350.0230.06318.46
5.4.340.0270.04718.68
5.4.320.0300.07318.67
5.4.310.0230.06018.79
5.4.300.0200.05318.56
5.4.290.0200.05018.73
5.4.280.0170.06018.73
5.4.270.0300.05018.71
5.4.260.0230.04718.61
5.4.250.0470.07318.61
5.4.240.0170.05318.55
5.4.230.0130.05718.61
5.4.220.0500.07018.61
5.4.210.0100.06018.61
5.4.200.0200.04716.63
5.4.190.0370.05018.59
5.4.180.0330.04318.60
5.4.170.0200.05318.60
5.4.160.0200.05018.48
5.4.150.0370.03318.66
5.4.140.0200.04716.35
5.4.130.0070.06016.16
5.4.120.0170.05716.30
5.4.110.0300.04016.04
5.4.100.0270.04316.14
5.4.90.0130.05316.25
5.4.80.0100.05316.04
5.4.70.0170.05316.32
5.4.60.0230.04316.18
5.4.50.0330.03316.01
5.4.40.0070.06016.13
5.4.30.0200.04316.21
5.4.20.0200.04716.02
5.4.10.0200.04316.12
5.4.00.0130.05015.79
5.3.290.0170.05714.73
5.3.280.0200.04714.57
5.3.270.0130.05314.56
5.3.260.0230.04714.51
5.3.250.0170.05014.62
5.3.240.0200.06714.69
5.3.230.0200.05314.59
5.3.220.0330.04314.48
5.3.210.0230.05014.52
5.3.200.0230.05014.45
5.3.190.0170.05714.51
5.3.180.0300.03714.65
5.3.170.0170.06014.49
5.3.160.0300.05014.53
5.3.150.0300.04014.54
5.3.140.0230.04714.60
5.3.130.0100.06014.61
5.3.120.0100.06014.43
5.3.110.0100.05714.52
5.3.100.0200.05314.03
5.3.90.0070.05713.92
5.3.80.0130.05013.93
5.3.70.0200.04313.92
5.3.60.0130.05313.93
5.3.50.0200.05013.89
5.3.40.0170.05013.88
5.3.30.0300.03713.89
5.3.20.0130.05313.60
5.3.10.0170.04713.60
5.3.00.0230.04713.66
5.2.170.0100.05011.14
5.2.160.0230.03311.11
5.2.150.0170.04311.29
5.2.140.0230.03311.18
5.2.130.0100.04711.25
5.2.120.0200.03311.13
5.2.110.0100.04711.13
5.2.100.0200.04011.07
5.2.90.0230.03311.15
5.2.80.0170.04011.08
5.2.70.0130.04311.12
5.2.60.0100.04311.03
5.2.50.0170.04010.92
5.2.40.0100.04010.95
5.2.30.0170.03711.12
5.2.20.0130.04310.93
5.2.10.0470.04310.95
5.2.00.0130.04010.80
5.1.60.0100.0409.98
5.1.50.0070.04010.04
5.1.40.0100.03710.04
5.1.30.0100.04010.48
5.1.20.0170.03310.37
5.1.10.0170.03710.12
5.1.00.0130.03710.03
5.0.50.0070.0308.60
5.0.40.0070.0278.40
5.0.30.0070.0508.18
5.0.20.0070.0308.23
5.0.10.0100.0308.26
5.0.00.0100.0438.14
4.4.90.0070.0306.79
4.4.80.0070.0236.79
4.4.70.0100.0206.79
4.4.60.0100.0206.79
4.4.50.0100.0206.79
4.4.40.0070.0336.79
4.4.30.0070.0206.79
4.4.20.0170.0206.79
4.4.10.0030.0276.79
4.4.00.0030.0376.79
4.3.110.0100.0206.79
4.3.100.0000.0276.79
4.3.90.0030.0236.79
4.3.80.0130.0376.79
4.3.70.0100.0236.79
4.3.60.0100.0176.79
4.3.50.0070.0236.79
4.3.40.0130.0276.79
4.3.30.0100.0176.79
4.3.20.0070.0206.79
4.3.10.0100.0176.79
4.3.00.0170.02714.42

preferences:
43.51 ms | 400 KiB | 5 Q