3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("@^(?:(foo|)|(bar))$@", "bar", $r); var_dump($r);

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)
8.3.40.0040.01118.82
8.3.30.0140.00418.76
8.3.20.0140.00420.34
8.3.10.0050.00323.61
8.3.00.0080.00019.50
8.2.170.0140.00022.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00319.35
8.2.120.0000.00726.35
8.2.110.0040.00422.28
8.2.100.0080.00417.72
8.2.90.0040.00418.96
8.2.80.0030.00517.97
8.2.70.0000.00817.90
8.2.60.0090.00019.65
8.2.50.0060.00318.10
8.2.40.0040.00420.60
8.2.30.0070.00020.63
8.2.20.0030.00717.62
8.2.10.0000.00717.96
8.2.00.0000.00717.91
8.1.270.0050.00323.79
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0080.00323.67
8.1.230.0000.01120.91
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00617.35
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0040.00418.78
8.1.160.0040.00422.17
8.1.150.0070.00018.70
8.1.140.0040.00419.39
8.1.130.0080.00017.61
8.1.120.0000.00817.48
8.1.110.0000.00717.47
8.1.100.0070.00017.48
8.1.90.0070.00017.45
8.1.80.0040.00417.53
8.1.70.0000.00717.46
8.1.60.0000.00717.59
8.1.50.0050.00317.45
8.1.40.0030.00617.58
8.1.30.0060.00317.69
8.1.20.0000.00817.53
8.1.10.0000.00717.59
8.1.00.0000.00817.41
8.0.300.0040.00420.18
8.0.290.0040.00416.75
8.0.280.0030.00318.32
8.0.270.0000.00717.08
8.0.260.0060.00317.14
8.0.250.0030.00316.94
8.0.240.0000.00716.96
8.0.230.0070.00016.96
8.0.220.0070.00016.96
8.0.210.0030.00716.87
8.0.200.0070.00016.98
8.0.190.0030.00516.96
8.0.180.0000.00716.82
8.0.170.0040.00416.98
8.0.160.0000.00716.88
8.0.150.0040.00416.86
8.0.140.0040.00416.82
8.0.130.0040.00413.33
8.0.120.0050.00316.91
8.0.110.0000.00816.89
8.0.100.0030.00517.00
8.0.90.0000.00716.80
8.0.80.0100.01016.95
8.0.70.0070.00016.98
8.0.60.0050.00316.86
8.0.50.0000.00816.72
8.0.30.0140.00217.08
8.0.20.0140.01317.40
8.0.10.0000.00816.99
8.0.00.0110.00616.82
7.4.330.0000.00516.91
7.4.320.0040.00416.66
7.4.300.0030.00316.71
7.4.290.0070.00016.65
7.4.280.0030.00516.53
7.4.270.0070.00016.59
7.4.260.0050.00316.52
7.4.250.0070.00016.54
7.4.240.0010.00616.65
7.4.230.0000.00716.52
7.4.220.0060.01316.77
7.4.210.0040.01116.68
7.4.200.0030.00316.71
7.4.160.0000.01516.52
7.4.150.0090.00917.40
7.4.140.0120.01017.86
7.4.130.0110.00816.52
7.4.120.0090.00916.50
7.4.110.0060.01216.75
7.4.100.0120.01216.40
7.4.90.0090.00916.39
7.4.80.0100.00719.39
7.4.70.0140.00416.44
7.4.60.0080.00816.54
7.4.50.0030.01316.36
7.4.40.0190.00316.57
7.4.30.0090.01216.60
7.4.00.0060.00614.94
7.3.330.0060.00313.02
7.3.320.0030.00313.12
7.3.310.0000.00716.31
7.3.300.0000.00716.28
7.3.290.0110.00816.28
7.3.280.0100.00716.27
7.3.270.0070.01017.40
7.3.260.0090.01216.38
7.3.250.0100.00816.45
7.3.240.0110.00716.37
7.3.230.0120.00616.39
7.3.210.0040.01316.50
7.3.200.0100.00616.53
7.3.190.0080.00816.29
7.3.180.0090.00916.55
7.3.170.0000.01616.30
7.3.160.0170.00016.38
7.2.330.0090.00916.54
7.2.320.0080.01116.57
7.2.310.0130.00316.36
7.2.300.0110.00716.60
7.2.290.0120.00316.60
7.2.60.0070.00716.52
7.2.50.0080.00817.02
7.2.00.0040.00719.19
7.1.200.0060.00916.06
7.1.100.0040.00718.08
7.1.70.0050.00316.99
7.1.60.0000.01919.36
7.1.50.0140.01017.09
7.1.00.0070.07322.34
7.0.200.0000.00916.85
7.0.60.0030.06019.82
7.0.50.0000.06717.81
7.0.40.0100.04320.10
7.0.30.0470.05320.14
7.0.20.0300.08020.21
7.0.10.0030.04320.14
7.0.00.0130.08720.15
5.6.280.0030.03321.04
5.6.210.0170.06020.68
5.6.200.0130.06018.22
5.6.190.0170.07720.45
5.6.180.0430.04020.79
5.6.170.0300.08020.50
5.6.160.0070.04720.37
5.6.150.0000.06318.14
5.6.140.0100.03718.20
5.6.130.0030.08718.12
5.6.120.0030.08720.96
5.6.110.0070.04321.13
5.6.100.0070.03721.04
5.6.90.0070.07721.01
5.6.80.0100.03720.28
5.5.350.4100.04720.48
5.5.340.0130.03717.91
5.5.330.0030.07320.13
5.5.320.0030.03720.34
5.5.310.0230.04720.29
5.5.300.0030.07717.92
5.5.290.0070.08717.96
5.5.280.0070.04320.76
5.5.270.0130.07720.88
5.5.260.0000.04720.85
5.5.250.0000.08320.68
5.5.240.0200.07720.27

preferences:
48.26 ms | 400 KiB | 5 Q