3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^(A{1,2}B)+$/',str_repeat('AB',8192))); ?>

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)
8.3.60.0110.00316.88
8.3.50.0100.00516.41
8.3.40.0110.00318.84
8.3.30.0120.00419.09
8.3.20.0080.00020.35
8.3.10.0030.00723.95
8.3.00.0040.00423.79
8.2.180.0140.00018.43
8.2.170.0070.01122.96
8.2.160.0120.00320.68
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00421.31
8.2.120.0040.00426.35
8.2.110.0080.00020.63
8.2.100.0110.00018.05
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0000.00917.88
8.2.60.0030.00618.16
8.2.50.0060.00318.09
8.2.40.0030.00522.57
8.2.30.0040.00419.40
8.2.20.0050.00317.80
8.2.10.0080.00018.14
8.2.00.0050.00218.11
8.1.280.0150.00325.92
8.1.270.0090.00622.30
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0030.00621.13
8.1.230.0090.00317.95
8.1.220.0060.00317.77
8.1.210.0040.00418.77
8.1.200.0070.00317.38
8.1.190.0040.00417.47
8.1.180.0040.00418.10
8.1.170.0030.00518.79
8.1.160.0000.00820.91
8.1.150.0040.00418.91
8.1.140.0000.00819.55
8.1.130.0030.00317.68
8.1.120.0070.00017.61
8.1.110.0030.00717.56
8.1.100.0040.00417.58
8.1.90.0040.00417.54
8.1.80.0040.00417.69
8.1.70.0040.00417.62
8.1.60.0040.00417.80
8.1.50.0000.00817.68
8.1.40.0000.00917.77
8.1.30.0030.00617.94
8.1.20.0000.00817.86
8.1.10.0050.00217.74
8.1.00.0000.00717.65
8.0.300.0040.00418.77
8.0.290.0080.00016.88
8.0.280.0030.00318.44
8.0.270.0030.00317.36
8.0.260.0030.00317.39
8.0.250.0000.00717.23
8.0.240.0040.00417.16
8.0.230.0030.00317.23
8.0.220.0040.00417.09
8.0.210.0000.00716.96
8.0.200.0030.00617.13
8.0.190.0000.00817.13
8.0.180.0000.00717.13
8.0.170.0000.00717.13
8.0.160.0050.00217.14
8.0.150.0060.00316.99
8.0.140.0030.00317.07
8.0.130.0000.00713.53
8.0.120.0030.00517.07
8.0.110.0040.00416.92
8.0.100.0040.00416.93
8.0.90.0000.00817.11
8.0.80.0060.01017.02
8.0.70.0000.00716.90
8.0.60.0040.00416.98
8.0.50.0040.00416.93
8.0.30.0080.00817.34
8.0.20.0120.01117.42
8.0.10.0080.00017.20
8.0.00.0070.01317.05
7.4.330.0000.00516.91
7.4.320.0030.00316.89
7.4.300.0040.00416.78
7.4.290.0030.00316.91
7.4.280.0050.00316.78
7.4.270.0080.00016.77
7.4.260.0000.00716.81
7.4.250.0000.00716.64
7.4.240.0030.00316.78
7.4.230.0030.00316.57
7.4.220.0070.01316.87
7.4.210.0070.01416.80
7.4.200.0000.00716.67
7.4.160.0040.01616.96
7.4.150.0110.00817.40
7.4.140.0090.01417.86
7.4.130.0120.00816.93
7.4.120.0110.00616.85
7.4.110.0060.01516.82
7.4.100.0110.00716.73
7.4.90.0070.01416.75
7.4.80.0100.01319.39
7.4.70.0030.01516.80
7.4.60.0100.01016.58
7.4.50.0000.01416.69
7.4.40.0160.00616.79
7.4.30.0070.01416.96
7.4.00.0030.01215.09
7.3.330.0000.00513.39
7.3.320.0030.00313.35
7.3.310.0070.00016.52
7.3.300.0040.00416.44
7.3.290.0090.00716.48
7.3.280.0080.00716.47
7.3.270.0080.01617.40
7.3.260.0210.00016.51
7.3.250.0090.00816.51
7.3.240.0120.00616.54
7.3.230.0130.00916.86
7.3.210.0080.01216.48
7.3.200.0120.00619.39
7.3.190.0090.00616.42
7.3.180.0130.00316.53
7.3.170.0060.01116.46
7.3.160.0030.01316.45
7.2.330.0130.00516.76
7.2.320.0070.01716.67
7.2.310.0100.00716.59
7.2.300.0120.00616.84
7.2.290.0090.00716.52
7.2.60.0090.00416.89
7.2.00.0030.00919.46
7.1.200.0030.00715.78
7.1.100.0040.00718.27
7.1.70.0000.00717.27
7.1.60.0110.01419.40
7.1.50.0060.01616.78
7.1.00.0030.07322.38
7.0.200.0520.01314.86
7.0.60.0270.03319.87
7.0.50.0030.06317.84
7.0.40.0170.07719.99
7.0.30.0270.07020.24
7.0.20.0400.07020.05
7.0.10.0000.06720.18
7.0.00.0030.04320.15
5.6.280.0100.05729.01
5.6.210.0100.07328.54
5.6.200.0170.08326.11
5.6.190.0130.08328.12
5.6.180.0330.07728.34
5.6.170.0330.07028.29
5.6.160.0130.08028.25
5.6.150.0100.07326.13
5.6.140.0100.08725.90
5.6.130.0030.06325.90
5.6.120.0200.07729.09
5.6.110.0170.03328.93
5.6.100.0200.07029.08
5.6.90.0300.06328.94
5.6.80.0100.08028.35
5.5.350.0330.05728.45
5.5.340.0070.04025.86
5.5.330.0000.04728.10
5.5.320.0230.04328.02
5.5.310.0400.07328.07
5.5.300.0100.06725.80
5.5.290.0100.08025.94
5.5.280.0030.08328.84
5.5.270.0070.06728.84
5.5.260.0070.05328.65
5.5.250.0100.07028.47
5.5.240.0230.07728.04

preferences:
51.53 ms | 401 KiB | 5 Q