3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function(int $a = null) {echo $a;}; $a(3); $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)
8.3.60.0100.01016.50
8.3.50.0100.01021.93
8.3.40.0140.00718.54
8.3.30.0110.00318.89
8.3.20.0070.00020.04
8.3.10.0040.00420.39
8.3.00.0080.00021.60
8.2.180.0150.00616.38
8.2.170.0110.00622.96
8.2.160.0030.01622.13
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0040.00420.63
8.2.120.0040.00426.35
8.2.110.0090.00021.18
8.2.100.0080.00318.05
8.2.90.0050.00319.23
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0040.00418.09
8.2.40.0080.00020.58
8.2.30.0000.00719.35
8.2.20.0000.00817.59
8.2.10.0000.00817.93
8.2.00.0000.00718.11
8.1.280.0070.00725.92
8.1.270.0050.00322.08
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0090.00022.61
8.1.230.0040.00817.76
8.1.220.0040.00417.77
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0050.00318.50
8.1.160.0040.00420.89
8.1.150.0070.00018.85
8.1.140.0030.00619.65
8.1.130.0030.00317.71
8.1.120.0040.00417.48
8.1.110.0040.00417.39
8.1.100.0000.00717.41
8.1.90.0080.00017.43
8.1.80.0070.00017.36
8.1.70.0000.00717.50
8.1.60.0080.00017.65
8.1.50.0030.00517.44
8.1.40.0040.00417.42
8.1.30.0030.00617.53
8.1.20.0030.00517.44
8.1.10.0000.00717.56
8.1.00.0000.00817.39
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0000.00718.50
8.0.270.0000.00717.29
8.0.260.0000.00717.27
8.0.250.0000.00716.85
8.0.240.0050.00216.93
8.0.230.0030.00316.94
8.0.220.0000.00816.80
8.0.210.0040.00416.72
8.0.200.0040.00416.86
8.0.190.0020.00516.81
8.0.180.0070.00016.92
8.0.170.0030.00516.98
8.0.160.0000.00816.78
8.0.150.0050.00316.88
8.0.140.0030.00516.86
8.0.130.0000.00513.36
8.0.120.0000.00916.84
8.0.110.0000.00716.95
8.0.100.0000.00816.77
8.0.90.0040.00416.77
8.0.80.0100.00716.83
8.0.70.0080.00016.85
8.0.60.0040.00416.89
8.0.50.0000.00716.77
8.0.30.0080.01217.04
8.0.20.0100.00917.40
8.0.10.0070.00016.86
8.0.00.0090.00816.72
7.4.330.0000.00516.77
7.4.320.0060.00016.57
7.4.300.0000.00616.42
7.4.290.0070.00016.50
7.4.280.0080.00016.50
7.4.270.0030.00316.59
7.4.260.0030.00616.49
7.4.250.0030.00316.44
7.4.240.0030.00316.45
7.4.230.0070.00016.58
7.4.220.0060.01416.58
7.4.210.0070.00716.55
7.4.200.0000.00716.67
7.4.160.0070.01016.44
7.4.150.0110.00717.40
7.4.140.0150.00317.86
7.4.130.0090.01016.53
7.4.120.0080.01016.40
7.4.110.0060.01116.65
7.4.100.0070.01016.61
7.4.90.0090.00916.55
7.4.80.0100.00719.39
7.4.70.0080.01216.70
7.4.60.0030.01416.47
7.4.50.0130.00316.56
7.4.40.0100.00716.42
7.4.30.0090.01216.67
7.4.00.0070.00814.78
7.3.330.0000.00513.23
7.3.320.0030.00313.33
7.3.310.0040.00416.33
7.3.300.0000.00716.31
7.3.290.0110.00516.26
7.3.280.0070.01016.33
7.3.270.0140.00317.40
7.3.260.0080.00916.76
7.3.250.0130.00616.29
7.3.240.0100.01016.39
7.3.230.0090.00916.51
7.3.210.0060.01016.40
7.3.200.0050.01116.36
7.3.190.0100.00716.39
7.3.180.0070.01016.38
7.3.170.0040.01116.32
7.3.160.0150.00316.54
7.3.120.0060.01314.88
7.3.110.0090.00614.76
7.3.100.0000.01115.02
7.3.90.0100.00714.54
7.3.80.0040.01214.52
7.3.70.0070.01014.95
7.3.60.0080.00614.78
7.3.50.0140.00014.87
7.3.40.0060.00614.55
7.3.30.0070.01014.75
7.3.20.0090.00316.64
7.3.10.0090.00316.58
7.3.00.0070.00716.44
7.2.330.0100.01016.45
7.2.320.0240.00616.63
7.2.310.0060.01016.58
7.2.300.0130.00616.71
7.2.290.0080.00816.37
7.2.250.0000.01614.59
7.2.240.0090.00915.02
7.2.230.0030.01015.14
7.2.220.0080.00814.53
7.2.210.0090.00914.47
7.2.200.0150.00015.05
7.2.190.0040.01514.95
7.2.180.0070.01415.02
7.2.170.0030.01614.96
7.2.60.0040.01116.43
7.2.00.0090.00619.29
7.1.330.0030.01315.86
7.1.320.0000.01215.80
7.1.310.0070.00715.75
7.1.300.0080.01115.66
7.1.290.0030.01315.82
7.1.280.0060.00615.77
7.1.270.0070.00715.75
7.1.260.0160.00015.77
7.1.200.0040.01115.80
7.1.70.0030.00716.96
7.1.60.0060.00617.14
7.1.50.0220.01534.85
7.1.00.0070.07322.45
7.0.200.0040.01216.84
7.0.60.0370.06321.63
7.0.50.0170.03017.90
7.0.40.0070.08720.05
7.0.30.0200.05020.07
7.0.20.0200.04720.16
7.0.10.0070.04320.02
7.0.00.0030.06320.24
5.6.280.0030.06321.03
5.6.210.0070.04020.73
5.6.200.0000.08018.16
5.6.190.0030.06320.77
5.6.180.0400.06020.50
5.6.170.0270.04320.47
5.6.160.0130.05020.61
5.6.150.0130.04018.15
5.6.140.0130.07318.18
5.6.130.0030.04018.17
5.6.120.0200.07021.01
5.6.110.0100.08721.14
5.6.100.0000.04321.01
5.6.90.0070.04020.96
5.6.80.0100.04320.29
5.5.350.0230.07720.50
5.5.340.0100.05318.03
5.5.330.0170.04020.28
5.5.320.0670.06720.33
5.5.310.0300.07320.26
5.5.300.0070.05017.98
5.5.290.0130.07717.94
5.5.280.0070.04020.73
5.5.270.0030.04320.77
5.5.260.0170.07320.88
5.5.250.0130.08020.78
5.5.240.0170.04320.37

preferences:
48.81 ms | 401 KiB | 5 Q