3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; echo true ?? false.PHP_EOL; echo $a ?? 'A'.PHP_EOL; echo $b ?? 'B'.PHP_EOL;

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)
8.3.60.0100.00718.31
8.3.50.0210.00221.92
8.3.40.0110.00418.71
8.3.30.0110.00418.68
8.3.20.0070.00020.16
8.3.10.0040.00423.48
8.3.00.0060.00319.38
8.2.180.0130.01025.92
8.2.170.0150.00019.00
8.2.160.0080.00822.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0080.00020.35
8.2.120.0040.00426.35
8.2.110.0040.00420.38
8.2.100.0070.00418.04
8.2.90.0050.00319.09
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0030.00517.80
8.2.50.0080.00018.07
8.2.40.0070.00319.29
8.2.30.0040.00320.69
8.2.20.0040.00417.61
8.2.10.0000.00718.09
8.2.00.0030.00717.89
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0090.00022.20
8.1.230.0040.00717.66
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.11
8.1.190.0040.00417.70
8.1.180.0040.00418.10
8.1.170.0060.00318.21
8.1.160.0000.00722.00
8.1.150.0000.00718.83
8.1.140.0000.00919.55
8.1.130.0000.00817.72
8.1.120.0000.00817.36
8.1.110.0040.00417.28
8.1.100.0060.00317.34
8.1.90.0080.00017.29
8.1.80.0040.00417.39
8.1.70.0070.00017.38
8.1.60.0060.00317.40
8.1.50.0080.00017.41
8.1.40.0050.00317.32
8.1.30.0040.00417.64
8.1.20.0040.00417.54
8.1.10.0060.00317.52
8.1.00.0000.00817.44
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00318.38
8.0.270.0030.00317.16
8.0.260.0070.00017.24
8.0.250.0000.00717.03
8.0.240.0000.00817.02
8.0.230.0070.00016.95
8.0.220.0030.00316.88
8.0.210.0000.00716.96
8.0.200.0000.00716.95
8.0.190.0000.00716.85
8.0.180.0040.00416.86
8.0.170.0000.00816.81
8.0.160.0000.00716.84
8.0.150.0000.00816.69
8.0.140.0040.00416.70
8.0.130.0030.00313.30
8.0.120.0050.00216.78
8.0.110.0000.00716.85
8.0.100.0000.00716.78
8.0.90.0050.00316.84
8.0.80.0030.01316.87
8.0.70.0060.00316.74
8.0.60.0000.00716.95
8.0.50.0000.00716.76
8.0.30.0130.00517.17
8.0.20.0120.00817.40
8.0.10.0040.00417.07
8.0.00.0090.00916.69
7.4.330.0060.00016.82
7.4.320.0030.00316.49
7.4.300.0060.00016.52
7.4.290.0000.00616.53
7.4.280.0030.00616.38
7.4.270.0000.00716.43
7.4.260.0030.00316.50
7.4.250.0020.00516.38
7.4.240.0000.00816.49
7.4.230.0080.00016.61
7.4.220.0130.00416.48
7.4.210.0110.01116.38
7.4.200.0000.00716.32
7.4.160.0090.00616.50
7.4.150.0070.01117.40
7.4.140.0120.00917.86
7.4.130.0120.00516.43
7.4.120.0140.00716.46
7.4.110.0070.01016.20
7.4.100.0110.00616.55
7.4.90.0090.01216.57
7.4.80.0000.01719.39
7.4.70.0100.00716.45
7.4.60.0120.00616.36
7.4.50.0060.00616.32
7.4.40.0090.00616.29
7.4.30.0120.00616.48
7.4.00.0070.00714.86
7.3.330.0070.00013.11
7.3.320.0030.00313.14
7.3.310.0000.00716.34
7.3.300.0000.00716.21
7.3.290.0070.00816.26
7.3.280.0060.00916.28
7.3.270.0160.00617.40
7.3.260.0030.01316.37
7.3.250.0100.00816.36
7.3.240.0110.00816.17
7.3.230.0070.01016.39
7.3.210.0110.00716.38
7.3.200.0000.01716.28
7.3.190.0130.00716.16
7.3.180.0130.00316.47
7.3.170.0080.01316.27
7.3.160.0120.00916.17
7.2.330.0130.00316.34
7.2.320.0100.00616.47
7.2.310.0090.00616.55
7.2.300.0140.01116.39
7.2.290.0130.00316.57
7.2.60.0030.00916.61
7.2.00.0030.00719.51
7.1.200.0060.00315.50
7.1.100.0090.00017.98
7.1.70.0200.00016.99
7.1.60.0060.01619.36
7.1.50.0150.00016.86
7.1.00.0030.07722.39
7.0.200.0030.00516.69
7.0.60.0100.07720.01
7.0.50.0070.03717.89
7.0.40.0170.05720.40
7.0.30.0400.06020.16
7.0.20.0300.08019.99
7.0.10.0100.06720.13
7.0.00.0070.08020.16
5.6.280.0070.06321.07
5.6.210.0170.06320.65
5.6.200.0070.05018.15
5.6.190.0070.05320.62
5.6.180.0430.07020.75
5.6.170.0300.07020.53
5.6.160.0100.05720.56
5.6.150.0200.06318.19
5.6.140.0130.07318.12
5.6.130.0070.06718.30
5.6.120.0030.08021.02
5.6.110.0130.05020.89
5.6.100.0030.07321.04
5.6.90.0070.04320.95
5.6.80.0170.06320.51
5.5.350.0270.06320.41
5.5.340.0130.07317.99
5.5.330.0200.05720.21
5.5.320.0030.07720.23
5.5.310.0200.07020.41
5.5.300.0200.06017.93
5.5.290.0100.08018.00
5.5.280.0000.05320.72
5.5.270.0100.08020.88
5.5.260.0030.08320.64
5.5.250.0000.09320.68
5.5.240.0300.06720.04

preferences:
55.07 ms | 401 KiB | 5 Q