3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^(A{1,2}B)+$/',str_repeat('AB',8192))); //$match=preg_replace('~(..)*~','', str_repeat('.', 9431) ); //var_dump($match);

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)
8.3.60.0120.00316.50
8.3.50.0090.00618.45
8.3.40.0090.00618.91
8.3.30.0120.00319.01
8.3.20.0070.00020.37
8.3.10.0030.00523.61
8.3.00.0040.00419.64
8.2.180.0150.00316.96
8.2.170.0140.00722.96
8.2.160.0070.00720.83
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00419.58
8.2.120.0080.00026.35
8.2.110.0030.00622.27
8.2.100.0120.00018.05
8.2.90.0050.00319.23
8.2.80.0000.00817.97
8.2.70.0090.00017.75
8.2.60.0060.00318.05
8.2.50.0050.00518.07
8.2.40.0090.00022.57
8.2.30.0080.00020.83
8.2.20.0030.00617.96
8.2.10.0050.00317.96
8.2.00.0040.00418.14
8.1.280.0180.00325.92
8.1.270.0070.01120.50
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0030.00624.21
8.1.230.0090.00319.40
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00717.48
8.1.190.0080.00017.47
8.1.180.0050.00318.10
8.1.170.0080.00018.73
8.1.160.0040.00420.87
8.1.150.0040.00419.03
8.1.140.0080.00019.72
8.1.130.0040.00417.79
8.1.120.0000.00717.58
8.1.110.0080.00017.60
8.1.100.0050.00317.57
8.1.90.0070.00317.72
8.1.80.0070.00017.56
8.1.70.0000.00717.59
8.1.60.0070.00417.82
8.1.50.0060.00317.77
8.1.40.0030.00517.69
8.1.30.0040.00417.91
8.1.20.0050.00317.76
8.1.10.0000.00717.60
8.1.00.0000.00717.55
8.0.300.0000.00818.77
8.0.290.0000.00816.84
8.0.280.0070.00018.52
8.0.270.0000.00717.34
8.0.260.0030.00317.21
8.0.250.0000.00717.21
8.0.240.0040.00417.09
8.0.230.0030.00317.17
8.0.220.0070.00017.15
8.0.210.0070.00016.97
8.0.200.0030.00317.03
8.0.190.0000.00917.14
8.0.180.0050.00317.14
8.0.170.0000.00817.21
8.0.160.0000.00717.13
8.0.150.0000.00716.94
8.0.140.0070.00017.02
8.0.130.0030.00313.49
8.0.120.0030.00616.95
8.0.110.0080.00017.04
8.0.100.0040.00417.12
8.0.90.0000.00717.08
8.0.80.0070.01517.07
8.0.70.0040.00416.98
8.0.60.0040.00417.17
8.0.50.0020.00517.06
8.0.30.0090.01317.42
8.0.20.0120.00817.40
8.0.10.0050.00317.19
8.0.00.0050.01216.96
7.4.330.0050.00016.83
7.4.320.0030.00316.77
7.4.300.0060.00016.92
7.4.290.0070.00016.84
7.4.280.0000.00716.78
7.4.270.0030.00316.66
7.4.260.0030.00316.80
7.4.250.0070.00016.83
7.4.240.0020.00716.73
7.4.230.0000.00816.94
7.4.220.0090.00616.70
7.4.210.0060.00916.97
7.4.200.0030.00316.97
7.4.160.0130.00316.67
7.4.150.0110.00617.40
7.4.140.0150.01017.86
7.4.130.0120.00816.85
7.4.120.0130.00916.73
7.4.110.0100.01016.84
7.4.100.0100.01416.80
7.4.90.0040.01416.69
7.4.80.0100.00719.39
7.4.70.0030.01416.68
7.4.60.0100.00616.85
7.4.50.0070.01116.55
7.4.40.0080.01216.54
7.4.30.0100.00716.83
7.4.00.0100.00615.31
7.3.330.0000.00513.34
7.3.320.0000.00613.22
7.3.310.0030.00316.32
7.3.300.0070.00016.47
7.3.290.0050.01116.48
7.3.280.0060.01116.49
7.3.270.0000.01817.40
7.3.260.0060.01316.87
7.3.250.0090.01016.50
7.3.240.0120.00616.78
7.3.230.0090.00916.82
7.3.210.0030.01416.43
7.3.200.0060.01516.62
7.3.190.0080.00816.86
7.3.180.0160.00316.57
7.3.170.0100.01016.80
7.3.160.0060.01016.68
7.2.330.0140.00316.51
7.2.320.0120.00616.73
7.2.310.0120.00616.67
7.2.300.0100.00716.69
7.2.290.0120.00616.69
7.2.60.0280.00416.50
7.2.00.0040.01119.48
7.1.200.0000.00715.89
7.1.100.0000.01118.17
7.1.70.0040.01117.37
7.1.60.0150.00919.52
7.1.50.0100.01334.93
7.1.00.0030.07722.59
7.0.200.0000.00716.99
7.0.60.0070.03720.03
7.0.50.0000.06717.70
7.0.40.0030.04320.00
7.0.30.0300.04020.20
7.0.20.0270.06720.20
7.0.10.0030.07320.21
7.0.00.0070.05720.23
5.6.280.0070.03028.79
5.6.210.0100.08028.45
5.6.200.0070.07326.15
5.6.190.0100.04328.41
5.6.180.0200.04028.27
5.6.170.0270.04728.36
5.6.160.0100.06028.23
5.6.150.0100.03726.13
5.6.140.0130.08326.13
5.6.130.0170.06726.04
5.6.120.0130.08328.94
5.6.110.0070.06729.09
5.6.100.0030.04728.97
5.6.90.0130.04729.00
5.6.80.0130.08028.48
5.5.350.0100.08728.39
5.5.340.0030.05025.86
5.5.330.0130.04728.23
5.5.320.0170.07728.06
5.5.310.0300.03327.87
5.5.300.0070.04025.86
5.5.290.0130.05725.91
5.5.280.0130.08328.87
5.5.270.0130.08728.84
5.5.260.0130.08028.84
5.5.250.0100.08328.45
5.5.240.0270.07328.34

preferences:
54.66 ms | 400 KiB | 5 Q