3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(preg_match('~foo~', 'foo', $string)); var_export(preg_match('~foo~', 'bar', $string)); var_export(preg_match('~foo', 'foo', $string)); if (PREG_INTERNAL_ERROR === preg_last_error()) { echo "internal error\n"; }

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)
8.3.40.0180.00018.88
8.3.30.0170.00019.09
8.3.20.0050.00320.34
8.3.10.0040.00423.47
8.3.00.0030.00619.51
8.2.170.0090.00622.96
8.2.160.0070.01020.53
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0130.00626.16
8.2.120.0020.00522.26
8.2.110.0090.00020.39
8.2.100.0130.00317.97
8.2.90.0060.00318.09
8.2.80.0080.00018.04
8.2.70.0090.00017.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0070.00017.83
8.2.20.0000.00717.75
8.2.10.0070.00018.00
8.2.00.0030.00817.57
8.1.270.0040.00422.07
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00622.06
8.1.230.0060.00620.95
8.1.220.0040.00417.74
8.1.210.0080.00018.97
8.1.200.0060.00317.25
8.1.190.0060.00317.38
8.1.180.0050.00318.10
8.1.170.0030.00618.70
8.1.160.0030.00521.87
8.1.150.0000.00818.55
8.1.140.0040.00417.39
8.1.130.0030.00317.69
8.1.120.0040.00417.54
8.1.110.0040.00417.39
8.1.100.0000.00717.50
8.1.90.0000.00717.46
8.1.80.0000.00717.39
8.1.70.0030.00317.46
8.1.60.0040.00417.42
8.1.50.0050.00317.42
8.1.40.0000.00917.54
8.1.30.0080.00017.53
8.1.20.0000.00817.50
8.1.10.0030.00617.48
8.1.00.0030.00717.40
8.0.300.0000.00720.16
8.0.290.0000.00717.05
8.0.280.0000.00718.30
8.0.270.0080.00017.26
8.0.260.0030.00317.20
8.0.250.0000.00716.93
8.0.240.0000.00817.06
8.0.230.0000.00716.89
8.0.220.0020.00516.84
8.0.210.0070.00017.04
8.0.200.0030.00316.91
8.0.190.0000.00816.95
8.0.180.0040.00416.95
8.0.170.0050.00316.99
8.0.160.0000.00716.91
8.0.150.0040.00416.77
8.0.140.0070.00016.96
8.0.130.0000.00613.38
8.0.120.0040.00416.91
8.0.110.0000.00816.93
8.0.100.0000.00716.76
8.0.90.0000.00816.98
8.0.80.0200.00016.93
8.0.70.0040.00416.79
8.0.60.0000.00716.76
8.0.50.0040.00416.93
8.0.30.0100.01017.09
8.0.20.0050.01417.44
8.0.10.0040.00417.08
8.0.00.0090.00916.88
7.4.330.0000.00515.00
7.4.320.0000.01016.71
7.4.300.0060.00016.63
7.4.290.0030.00316.75
7.4.280.0040.00416.61
7.4.270.0040.00416.71
7.4.260.0000.00816.52
7.4.250.0040.00416.53
7.4.240.0020.00516.66
7.4.230.0000.00716.63
7.4.220.0120.00616.68
7.4.210.0100.00516.64
7.4.200.0030.00316.76
7.4.190.0000.00716.86
7.4.160.0100.00716.55
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0070.01016.77
7.4.120.0030.01516.65
7.4.110.0100.01616.48
7.4.100.0100.01316.73
7.4.90.0060.01616.62
7.4.80.0180.00319.39
7.4.70.0130.00716.82
7.4.60.0100.01016.57
7.4.50.0040.00416.43
7.4.40.0070.01022.77
7.4.30.0150.00316.54
7.4.00.0040.01115.27
7.3.330.0020.00213.26
7.3.320.0050.00013.14
7.3.310.0030.00516.47
7.3.300.0000.00716.45
7.3.290.0090.00616.43
7.3.280.0070.00716.45
7.3.270.0140.00317.40
7.3.260.0100.00716.42
7.3.250.0140.00816.51
7.3.240.0060.01016.47
7.3.230.0000.01616.50
7.3.210.0050.01116.26
7.3.200.0140.00719.39
7.3.190.0120.00916.64
7.3.180.0060.01016.45
7.3.170.0040.01216.62
7.3.160.0070.01016.29
7.3.120.0110.00715.13
7.2.330.0070.01416.68
7.2.320.0150.00316.46
7.2.310.0110.00616.58
7.2.300.0070.01016.52
7.2.290.0100.00716.73
7.1.70.0040.00417.30
7.1.60.0110.01419.33
7.1.50.0220.00634.65
7.1.00.0100.07022.38
7.0.200.0030.00616.54
7.0.140.0070.07022.09
7.0.60.0030.04020.09
7.0.50.0000.04317.68
7.0.40.0100.03720.14
7.0.30.0200.05320.19
7.0.20.0400.06720.11
7.0.10.0030.07320.18
7.0.00.0100.08720.01
5.6.280.0070.07021.02
5.6.210.0100.07720.62
5.6.200.0130.07318.11
5.6.190.0030.09020.56
5.6.180.0330.04720.45
5.6.170.0300.06320.38
5.6.160.0030.05020.37
5.6.150.0000.04018.18
5.6.140.0100.07718.21
5.6.130.0030.05718.16
5.6.120.0070.06020.94
5.6.110.0100.08320.98
5.6.100.0100.08021.08
5.6.90.0070.03720.96
5.6.80.0070.05320.33
5.5.350.3600.04320.29
5.5.340.0100.05318.02
5.5.330.0100.07720.18
5.5.320.3370.04720.32
5.5.310.0270.06720.17
5.5.300.0130.06317.98
5.5.290.0030.05017.91
5.5.280.0100.03720.95
5.5.270.0030.05020.85
5.5.260.0100.08320.76
5.5.250.0100.03320.46
5.5.240.0070.02720.25
5.4.450.0670.04719.11
5.4.440.0800.04719.48
5.4.430.0300.05719.29
5.4.420.0270.05719.24
5.4.410.0600.05719.51
5.4.400.0830.05019.23
5.4.390.0270.03719.19
5.4.380.0400.05318.58
5.4.370.0330.06018.77
5.4.360.0330.05018.69
5.4.350.0200.06718.61
5.4.340.0300.08018.74
5.4.320.0060.05412.45
5.4.310.0080.03512.45
5.4.300.0100.03112.45
5.4.290.0080.03612.45
5.4.280.0090.04712.32
5.4.270.0100.04612.33
5.4.260.0120.05412.33
5.4.250.0060.05512.33
5.4.240.0090.05312.32
5.4.230.0060.05512.32
5.4.220.0130.05712.32
5.4.210.0120.05512.32
5.4.200.0110.06112.32
5.4.190.0130.04712.31
5.4.180.0070.05312.32
5.4.170.0080.05212.32
5.4.160.0080.05412.32
5.4.150.0120.04712.32
5.4.140.0100.05312.00
5.4.130.0160.06111.99
5.4.120.0380.10611.95
5.4.110.0120.04811.95
5.4.100.0120.04511.95
5.4.90.0060.04211.94
5.4.80.0090.04411.94
5.4.70.0110.03811.94
5.4.60.0080.04111.94
5.4.50.0060.05411.94
5.4.40.0100.05211.93
5.4.30.0070.04511.93
5.4.20.0090.04911.93
5.4.10.0090.05111.92
5.4.00.0120.04911.42
5.3.290.0050.04012.80
5.3.280.0210.07412.71
5.3.270.0050.04112.73
5.3.260.0140.04012.72
5.3.250.0080.03612.72
5.3.240.0050.04012.72
5.3.230.0120.04112.71
5.3.220.0100.05312.68
5.3.210.0100.05912.68
5.3.200.0090.04412.68
5.3.190.0090.03612.67
5.3.180.0060.03812.67
5.3.170.0090.03612.67
5.3.160.0090.03812.67
5.3.150.0080.03712.67
5.3.140.0060.03812.66
5.3.130.0080.04212.66
5.3.120.0080.03712.66
5.3.110.0080.03812.66
5.3.100.0070.03712.12
5.3.90.0080.04112.09
5.3.80.0060.03812.07
5.3.70.0030.04112.08
5.3.60.0060.03812.06
5.3.50.0080.03612.00
5.3.40.0090.03812.00
5.3.30.0080.03811.94
5.3.20.0080.03811.71
5.3.10.0080.03711.68
5.3.00.0070.03811.67
5.2.170.0050.0319.17
5.2.160.0050.0299.16
5.2.150.0070.0309.16
5.2.140.0080.0299.16
5.2.130.0090.0359.12
5.2.120.0070.0289.12
5.2.110.0050.0299.13
5.2.100.0060.0389.13
5.2.90.0040.0309.12
5.2.80.0090.0359.12
5.2.70.0040.0329.12
5.2.60.0090.0379.07
5.2.50.0110.0419.04
5.2.40.0060.0429.02
5.2.30.0050.0429.00
5.2.20.0070.0428.99
5.2.10.0050.0428.90
5.2.00.0060.0438.75
5.1.60.0070.0348.04
5.1.50.0100.0318.05
5.1.40.0060.0358.02
5.1.30.0100.0358.37
5.1.20.0090.0378.40
5.1.10.0030.0278.12
5.1.00.0070.0238.13
5.0.50.0050.0196.60
5.0.40.0040.0196.46
5.0.30.0030.0336.27
5.0.20.0040.0196.24
5.0.10.0030.0206.22
5.0.00.0040.0306.21
4.4.90.0030.0154.77
4.4.80.0020.0174.76
4.4.70.0040.0154.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0000.0284.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0244.53
4.3.30.0010.0173.27
4.3.20.0030.0153.25
4.3.10.0000.0183.21
4.3.00.0130.0178.79

preferences:
40.25 ms | 400 KiB | 5 Q