3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^(A{1,2}B)+$/',str_repeat('AB',8000)));

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)
8.3.60.0090.00916.75
8.3.50.0140.00522.15
8.3.40.0090.00618.77
8.3.30.0120.00318.80
8.3.20.0050.00320.43
8.3.10.0000.00823.71
8.3.00.0100.00623.82
8.2.180.0140.00418.79
8.2.170.0150.00322.96
8.2.160.0070.00720.33
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00919.38
8.2.120.0140.00426.35
8.2.110.0100.00019.52
8.2.100.0040.00717.97
8.2.90.0040.00419.41
8.2.80.0000.00817.97
8.2.70.0060.00318.00
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0080.00022.64
8.2.30.0060.00320.84
8.2.20.0000.00817.86
8.2.10.0050.00318.17
8.2.00.0040.00418.16
8.1.280.0070.00725.92
8.1.270.0080.00024.66
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0040.00422.98
8.1.230.0110.00417.64
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0070.00317.60
8.1.190.0000.00817.48
8.1.180.0080.00018.10
8.1.170.0060.00318.84
8.1.160.0090.00020.88
8.1.150.0070.00018.97
8.1.140.0040.00419.68
8.1.130.0030.00317.75
8.1.120.0000.00817.67
8.1.110.0080.00017.60
8.1.100.0040.00417.55
8.1.90.0040.00417.65
8.1.80.0000.00817.70
8.1.70.0000.00717.70
8.1.60.0080.00417.78
8.1.50.0040.00417.63
8.1.40.0040.00417.80
8.1.30.0040.00417.88
8.1.20.0000.00917.86
8.1.10.0060.00317.68
8.1.00.0040.00417.63
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0000.00718.52
8.0.270.0000.00717.35
8.0.260.0000.00717.39
8.0.250.0070.00017.04
8.0.240.0000.00717.12
8.0.230.0030.00317.14
8.0.220.0050.00217.12
8.0.210.0040.00417.00
8.0.200.0000.00717.17
8.0.190.0120.00017.14
8.0.180.0040.00417.11
8.0.170.0040.00417.03
8.0.160.0070.00017.10
8.0.150.0000.00717.07
8.0.140.0040.00417.05
8.0.130.0050.00013.54
8.0.120.0080.00017.00
8.0.110.0050.00217.00
8.0.100.0040.00416.88
8.0.90.0000.00716.97
8.0.80.0120.00617.07
8.0.70.0000.00717.07
8.0.60.0080.00017.14
8.0.50.0000.00817.05
8.0.30.0070.01317.44
8.0.20.0100.00817.44
8.0.10.0050.00317.13
8.0.00.0110.01016.97
7.4.330.0000.00616.95
7.4.320.0000.00616.77
7.4.300.0030.00316.91
7.4.290.0030.00316.86
7.4.280.0030.00616.86
7.4.270.0000.00716.82
7.4.260.0000.00716.89
7.4.250.0040.00416.84
7.4.240.0050.00216.83
7.4.230.0040.00416.67
7.4.220.0100.01716.91
7.4.210.0090.00616.87
7.4.200.0000.00716.70
7.4.160.0060.00916.67
7.4.150.0100.00717.40
7.4.140.0170.00817.86
7.4.130.0150.00416.75
7.4.120.0090.00916.91
7.4.110.0130.00416.77
7.4.100.0140.00316.48
7.4.90.0090.00916.83
7.4.80.0060.01019.39
7.4.70.0170.00316.75
7.4.60.0070.01016.93
7.4.50.0100.00716.57
7.4.40.0090.00916.72
7.4.30.0070.01516.83
7.4.00.0030.01415.12
7.3.330.0030.00313.41
7.3.320.0020.00213.39
7.3.310.0000.00716.56
7.3.300.0050.00316.49
7.3.290.0090.01016.40
7.3.280.0110.00716.46
7.3.270.0090.00917.40
7.3.260.0160.00716.42
7.3.250.0040.01516.68
7.3.240.0060.01116.53
7.3.230.0120.01216.57
7.3.210.0030.01316.85
7.3.200.0100.00616.46
7.3.190.0120.00316.75
7.3.180.0040.01216.69
7.3.170.0080.00816.82
7.3.160.0030.01316.80
7.2.330.0070.01016.61
7.2.320.0070.01016.61
7.2.310.0090.00916.66
7.2.300.0090.01216.63
7.2.290.0110.00516.57
7.2.60.0080.00816.61
7.2.00.0060.00619.43
7.1.200.0060.00615.86
7.1.100.0030.00717.79
7.1.70.0070.01017.16
7.1.60.0060.01819.52
7.1.50.0070.01616.93
7.1.00.0070.07322.47
7.0.200.0030.00616.80
7.0.60.0070.04319.84
7.0.50.0130.07317.93
7.0.40.0030.05320.27
7.0.30.0270.07320.13
7.0.20.0300.07320.12
7.0.10.0170.05320.21
7.0.00.0030.08320.16
5.6.280.0000.05728.89
5.6.210.0100.05028.31
5.6.200.0100.08325.93
5.6.190.0130.08028.48
5.6.180.0300.03728.41
5.6.170.0270.05728.32
5.6.160.0170.07028.24
5.6.150.0030.04325.93
5.6.140.0000.04725.91
5.6.130.0070.06026.03
5.6.120.0070.04328.86
5.6.110.0100.08728.92
5.6.100.0100.04728.75
5.6.90.0170.03328.79
5.6.80.0130.07028.19
5.5.350.4370.03328.22
5.5.340.0130.08325.84
5.5.330.0030.09328.09
5.5.320.0370.07328.14
5.5.310.0230.04328.04
5.5.300.0070.04025.64
5.5.290.0100.04325.82
5.5.280.0030.05028.72
5.5.270.0130.08028.55
5.5.260.0130.05028.65
5.5.250.0200.07328.36
5.5.240.0200.08328.07

preferences:
46.35 ms | 401 KiB | 5 Q