3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('~(a)*~', str_repeat('a', 8000), $match); var_dump($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)
8.3.60.0100.01016.75
8.3.50.0100.00517.42
8.3.40.0070.00719.00
8.3.30.0120.00318.96
8.3.20.0040.00418.89
8.3.10.0040.00420.79
8.3.00.0040.00417.75
8.2.180.0070.00716.75
8.2.170.0120.00622.96
8.2.160.0070.00720.72
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.08
8.2.110.0070.00321.02
8.2.100.0080.00318.03
8.2.90.0030.00721.09
8.2.80.0080.00017.93
8.2.70.0000.00817.88
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00420.00
8.2.30.0040.00418.02
8.2.20.0050.00317.73
8.2.10.0100.00017.81
8.2.00.0040.00417.76
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0160.00622.59
8.1.230.0060.00621.05
8.1.220.0000.00817.74
8.1.210.0000.00819.01
8.1.200.0090.00317.48
8.1.190.0080.00017.66
8.1.180.0050.00318.10
8.1.170.0000.00819.09
8.1.160.0050.00319.00
8.1.150.0000.00818.86
8.1.140.0030.00617.62
8.1.130.0030.00318.05
8.1.120.0080.00017.67
8.1.110.0040.00417.72
8.1.100.0050.00317.64
8.1.90.0000.00717.59
8.1.80.0000.00817.67
8.1.70.0070.00017.56
8.1.60.0050.00317.75
8.1.50.0000.00817.71
8.1.40.0050.00317.78
8.1.30.0060.00317.88
8.1.20.0030.00517.81
8.1.10.0040.00417.83
8.1.00.0040.00417.71
8.0.300.0050.00520.20
8.0.290.0040.00416.88
8.0.280.0000.00718.43
8.0.270.0040.00417.24
8.0.260.0030.00317.00
8.0.250.0000.00817.19
8.0.240.0070.00317.03
8.0.230.0030.00317.16
8.0.220.0000.00717.02
8.0.210.0000.00717.11
8.0.200.0000.00717.17
8.0.190.0040.00417.16
8.0.180.0070.00017.12
8.0.170.0000.00717.09
8.0.160.0040.00417.03
8.0.150.0000.00817.05
8.0.140.0050.00317.01
8.0.130.0050.00013.52
8.0.120.0000.00916.96
8.0.110.0070.00016.98
8.0.100.0040.00417.04
8.0.90.0050.00217.12
8.0.80.0030.01217.07
8.0.70.0040.00417.20
8.0.60.0040.00417.03
8.0.50.0030.00517.11
8.0.30.0090.01017.42
8.0.20.0110.01217.30
8.0.10.0000.00817.08
8.0.00.0070.01016.95
7.4.330.0060.00013.04
7.4.320.0000.00616.77
7.4.300.0030.00316.75
7.4.290.0030.00316.76
7.4.280.0000.01016.86
7.4.270.0070.00016.89
7.4.260.0030.00313.53
7.4.250.0000.00916.85
7.4.240.0050.00316.77
7.4.230.0030.00316.80
7.4.220.0040.01816.86
7.4.210.0090.00616.85
7.4.200.0040.00416.93
7.4.190.0070.00016.76
7.4.160.0040.01316.52
7.4.150.0130.00416.65
7.4.140.0140.00516.81
7.4.130.0110.00716.82
7.4.120.0130.00416.89
7.4.110.0070.01116.56
7.4.100.0160.00516.88
7.4.90.0060.01116.56
7.4.80.0110.01116.71
7.4.70.0070.01116.72
7.4.60.0040.01416.70
7.4.50.0060.00316.65
7.4.40.0030.01516.65
7.4.30.0050.01116.89
7.4.00.0060.01215.16
7.3.330.0000.00713.35
7.3.320.0050.00013.34
7.3.310.0000.00716.40
7.3.300.0000.00716.46
7.3.290.0080.00816.43
7.3.280.0070.01116.49
7.3.270.0110.00616.86
7.3.260.0130.01116.80
7.3.250.0090.00916.61
7.3.240.0090.00616.57
7.3.230.0120.01216.67
7.3.210.0060.01016.50
7.3.200.0210.00819.39
7.3.190.0070.01116.69
7.3.180.0110.00616.50
7.3.170.0070.01416.54
7.3.160.0040.01316.75
7.3.120.0000.01714.65
7.2.330.0070.01316.71
7.2.320.0070.01016.79
7.2.310.0130.00716.75
7.2.300.0150.00916.75
7.2.290.0080.01216.68
7.2.60.0060.01016.80
7.2.00.0000.01419.57
7.1.200.0030.00915.96
7.1.100.0060.00918.15
7.1.70.0000.00717.39
7.1.60.0060.01819.40
7.1.50.0160.00616.83
7.1.00.0070.07022.43
7.0.200.0050.00316.92
7.0.140.0000.09721.99
7.0.120.0070.06322.19
7.0.60.0130.08019.90
7.0.50.0070.05017.70
7.0.40.0130.08320.28
7.0.30.0330.07020.20
7.0.20.0300.07020.20
7.0.10.0230.09020.32
7.0.00.0030.04020.09
5.6.280.0070.07328.82
5.6.210.0170.08728.33
5.6.200.0030.09326.02
5.6.190.0100.09028.42
5.6.180.0170.06728.22
5.6.170.0330.04028.52
5.6.160.0100.08328.43
5.6.150.0030.04325.94
5.6.140.0030.04725.92
5.6.130.0130.04726.03
5.6.120.0100.05328.93
5.6.110.0170.05328.77
5.6.100.0170.06328.90
5.6.90.0100.04028.92
5.6.80.0100.08028.16
5.6.70.4470.04328.27
5.5.350.0370.05328.29
5.5.340.0030.08025.83
5.5.330.0170.07028.09
5.5.320.0400.06327.99
5.5.310.0370.06728.11
5.5.300.0170.05325.81
5.5.290.0070.04025.70
5.5.280.0170.07728.56
5.5.270.0100.09028.46
5.5.260.0100.08728.66
5.5.250.0100.08328.48
5.5.240.0070.08327.95
5.4.450.0370.04726.44
5.4.440.3500.04726.57
5.4.430.0200.07026.75
5.4.420.0200.05026.47
5.4.410.0230.05026.66
5.4.400.0370.05726.38
5.4.390.0230.04726.24
5.4.380.0400.03725.95
5.4.370.0070.04025.82
5.4.360.0100.05025.94
5.4.350.0090.04119.31
5.4.340.0110.04919.30
5.4.320.0120.04019.79
5.4.310.0120.05319.78
5.4.300.0070.04319.79
5.4.290.0120.03819.78
5.4.280.0080.04019.44
5.4.270.0080.04019.44
5.4.260.0110.03919.44
5.4.250.0080.04019.44
5.4.240.0090.03719.44
5.4.230.0080.04319.43
5.4.220.0080.04519.43
5.4.210.0120.04119.43
5.4.200.0120.05119.43
5.4.190.0130.04719.43
5.4.180.0110.04619.43
5.4.170.0090.04619.44
5.4.160.0090.03819.43
5.4.150.0090.04219.43
5.4.140.0100.04219.11
5.4.130.0120.03819.10
5.4.120.0170.04819.94
5.4.110.0130.04619.93
5.4.100.0120.04219.93
5.4.90.0120.04219.93
5.4.80.0100.04719.93
5.4.70.0110.04219.93
5.4.60.0110.04319.93
5.4.50.0130.04219.93
5.4.40.0130.04419.92
5.4.30.0120.04319.92
5.4.20.0120.04319.92
5.4.10.0090.04419.92
5.4.00.0110.04319.41
5.3.290.0110.04820.05
5.3.280.0110.04619.74
5.3.270.0090.04919.76
5.3.260.0120.04619.75
5.3.250.0110.04719.75
5.3.240.0100.04419.75
5.3.230.0100.04619.74
5.3.220.0100.04320.55
5.3.210.0110.04020.55
5.3.200.0110.03820.55
5.3.190.0110.04320.55
5.3.180.0120.04520.55
5.3.170.0130.04720.55
5.3.160.0120.04620.55
5.3.150.0110.05020.55
5.3.140.0120.04920.54
5.3.130.0110.04620.54
5.3.120.0110.04520.54
5.3.110.0110.04320.54
5.3.100.0110.04420.03
5.3.90.0100.04220.01
5.3.80.0130.03720.00
5.3.70.0090.04020.00
5.3.60.0090.04319.98
5.3.50.0120.04019.93
5.3.40.0090.04319.93
5.3.30.0130.03819.89

preferences:
38.75 ms | 401 KiB | 5 Q