3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/[^\w]fox\s/'; if (preg_match($pattern, 'The quick brown fox jumps over the lazy dog')) { echo "'fox' is present..."; } else echo "'fox' is not present..."; ?>

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)
8.3.60.0110.00318.43
8.3.50.0160.00621.99
8.3.40.0110.00718.90
8.3.30.0070.00718.92
8.3.20.0050.00320.39
8.3.10.0050.00320.48
8.3.00.0070.00317.63
8.2.180.0070.01116.88
8.2.170.0090.01222.96
8.2.160.0130.00720.24
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00722.29
8.2.110.0040.00422.25
8.2.100.0070.00417.97
8.2.90.0000.00819.08
8.2.80.0050.00317.97
8.2.70.0070.00717.75
8.2.60.0070.00317.80
8.2.50.0080.00018.07
8.2.40.0050.00318.31
8.2.30.0040.00419.33
8.2.20.0050.00317.64
8.2.10.0050.00217.96
8.2.00.0050.00317.75
8.1.280.0090.00625.92
8.1.270.0070.00023.91
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0090.00024.02
8.1.230.0070.00419.10
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.23
8.1.180.0020.00518.10
8.1.170.0040.00418.63
8.1.160.0070.00021.98
8.1.150.0000.00718.79
8.1.140.0070.00017.53
8.1.130.0000.00817.72
8.1.120.0000.00717.46
8.1.110.0050.00217.43
8.1.100.0000.00717.59
8.1.90.0080.00017.55
8.1.80.0000.00717.47
8.1.70.0030.00317.48
8.1.60.0030.00517.63
8.1.50.0000.00817.57
8.1.40.0040.00417.48
8.1.30.0050.00317.59
8.1.20.0000.00817.71
8.1.10.0000.00717.61
8.1.00.0050.00317.57
8.0.300.0000.00718.77
8.0.290.0020.00516.88
8.0.280.0000.00718.49
8.0.270.0030.00317.16
8.0.260.0060.00017.27
8.0.250.0030.00317.10
8.0.240.0100.00017.07
8.0.230.0050.00317.00
8.0.220.0030.00317.00
8.0.210.0000.00716.95
8.0.200.0040.00416.95
8.0.190.0080.00317.00
8.0.180.0070.00016.88
8.0.170.0050.00316.97
8.0.160.0070.00016.96
8.0.150.0030.00316.80
8.0.140.0080.00016.95
8.0.130.0030.00313.39
8.0.120.0040.00416.91
8.0.110.0040.00416.91
8.0.100.0050.00317.03
8.0.90.0000.00716.77
8.0.80.0150.00016.95
8.0.70.0040.00416.98
8.0.60.0040.00416.96
8.0.50.0000.00916.77
8.0.30.0130.00617.35
8.0.20.0070.01217.40
8.0.10.0040.00416.89
8.0.00.0130.00416.81
7.4.330.0000.00515.00
7.4.320.0000.00616.74
7.4.300.0000.00616.79
7.4.290.0000.00616.75
7.4.280.0030.00616.49
7.4.270.0070.00016.54
7.4.260.0000.00816.62
7.4.250.0080.00016.69
7.4.240.0020.00616.75
7.4.230.0040.00416.66
7.4.220.0200.00716.67
7.4.210.0070.00716.70
7.4.200.0070.00016.72
7.4.160.0150.00016.43
7.4.150.0210.00417.40
7.4.140.0100.00817.86
7.4.130.0060.01016.61
7.4.120.0120.00516.71
7.4.110.0090.00916.38
7.4.100.0090.01216.60
7.4.90.0100.00916.53
7.4.80.0140.00319.39
7.4.70.0180.00016.59
7.4.60.0110.00616.60
7.4.50.0060.00316.81
7.4.40.0190.00016.68
7.4.30.0100.00616.54
7.4.00.0030.01414.86
7.3.330.0030.00313.11
7.3.320.0000.00513.12
7.3.310.0030.00316.18
7.3.300.0050.00216.35
7.3.290.0030.01716.29
7.3.280.0080.00616.25
7.3.270.0070.01017.40
7.3.260.0060.01216.39
7.3.250.0090.00816.42
7.3.240.0030.01416.53
7.3.230.0070.01016.64
7.3.210.0100.00716.45
7.3.200.0080.00819.39
7.3.190.0110.01116.32
7.3.180.0030.01316.38
7.3.170.0160.00616.33
7.3.160.0150.00616.75
7.3.10.0060.00616.66
7.3.00.0090.00616.67
7.2.330.0180.00016.63
7.2.320.0060.01116.70
7.2.310.0000.01716.68
7.2.300.0140.00316.74
7.2.290.0030.01316.52
7.2.130.0040.01116.79
7.2.120.0070.00716.90
7.2.110.0050.01016.53
7.2.100.0000.01116.82
7.2.90.0070.00717.02
7.2.80.0150.00016.98
7.2.70.0110.00316.88
7.2.60.0020.00916.44
7.2.50.0100.00316.75
7.2.40.0060.01016.98
7.2.30.0060.00616.94
7.2.20.0030.00716.99
7.2.10.0030.01016.92
7.2.00.0040.01018.33
7.1.250.0070.01015.67
7.1.200.0040.01116.01
7.1.100.0280.00918.29
7.1.70.0050.00916.56
7.1.60.0060.01919.61
7.1.50.0240.01634.70
7.1.00.0000.07722.28
7.0.200.0000.00716.83
7.0.140.0000.07721.93
7.0.60.0070.08320.03
7.0.50.0030.07317.86
7.0.40.0100.08720.09
7.0.30.0400.06320.21
7.0.20.0200.04720.23
7.0.10.0270.08020.22
7.0.00.0030.04020.33
5.6.280.0070.07021.12
5.6.210.0070.08020.46
5.6.200.0070.07718.18
5.6.190.0100.08020.48
5.6.180.0230.07320.49
5.6.170.0300.04020.51
5.6.160.0170.07320.37
5.6.150.0100.03318.22
5.6.140.0130.07318.14
5.6.130.0030.04018.18
5.6.120.0100.04021.12
5.6.110.0100.05721.00
5.6.100.0170.06721.11
5.6.90.0100.04321.09
5.6.80.0070.07720.50
5.6.70.3030.02320.52
5.5.350.0070.08020.30
5.5.340.0000.04017.92
5.5.330.0270.03720.19
5.5.320.0200.07720.34
5.5.310.0300.07320.24
5.5.300.0030.08317.95
5.5.290.0130.03717.98
5.5.280.0070.05020.90
5.5.270.0030.04020.64
5.5.260.0100.07720.86
5.5.250.0030.08320.61
5.5.240.0070.08320.27
5.4.450.0300.04319.24
5.4.440.0530.04319.43
5.4.430.0270.04019.13
5.4.420.0600.03719.40
5.4.410.0330.03719.41
5.4.400.0570.04019.09
5.4.390.0270.03719.16
5.4.380.0330.06718.77
5.4.370.0470.04718.77
5.4.360.0330.05318.72
5.4.350.0330.06018.72
5.4.340.0370.05318.60
5.4.320.0060.04212.45
5.4.310.0060.04512.45
5.4.300.0080.03712.45
5.4.290.0100.03512.45
5.4.280.0080.03212.34
5.4.270.0090.03712.35
5.4.260.0090.04112.34
5.4.250.0040.04112.34
5.4.240.0060.03712.34
5.4.230.0040.03812.34
5.4.220.0030.03912.34
5.4.210.0060.03412.34
5.4.200.0050.03912.34
5.4.190.0050.03512.34
5.4.180.0050.03912.34
5.4.170.0030.03912.34
5.4.160.0070.03412.34
5.4.150.0020.03912.34
5.4.140.0040.03912.02
5.4.130.0070.03312.01
5.4.120.0070.03311.96
5.4.110.0080.03211.96
5.4.100.0070.03411.96
5.4.90.0060.03611.96
5.4.80.0080.03411.96
5.4.70.0020.03811.96
5.4.60.0020.03811.96
5.4.50.0040.03711.96
5.4.40.0080.03111.95
5.4.30.0050.03611.95
5.4.20.0040.03711.95
5.4.10.0040.03611.95
5.4.00.0050.03711.43
5.3.290.0090.05212.80
5.3.280.0070.03712.71
5.3.270.0050.04012.73
5.3.260.0080.04612.71
5.3.250.0020.04312.72
5.3.240.0030.03912.72
5.3.230.0040.03912.71
5.3.220.0060.04012.68
5.3.210.0040.04012.68
5.3.200.0060.03812.68
5.3.190.0050.03912.68
5.3.180.0120.03112.68
5.3.170.0040.03812.67
5.3.160.0030.04012.68
5.3.150.0040.03812.67
5.3.140.0020.04212.66
5.3.130.0080.03712.66
5.3.120.0080.03712.66
5.3.110.0040.04412.66
5.3.100.0070.03612.12
5.3.90.0070.03412.08
5.3.80.0040.03912.07
5.3.70.0060.03812.07
5.3.60.0040.03912.07
5.3.50.0070.03712.00
5.3.40.0050.04212.00
5.3.30.0040.03611.95
5.3.20.0080.03511.73
5.3.10.0050.03411.70
5.3.00.0090.03211.68
5.2.170.0060.0309.19
5.2.160.0060.0279.19
5.2.150.0090.0259.19
5.2.140.0020.0339.18
5.2.130.0030.0369.15
5.2.120.0020.0329.14
5.2.110.0040.0309.15
5.2.100.0040.0299.15
5.2.90.0120.0279.14
5.2.80.0040.0319.14
5.2.70.0070.0339.14
5.2.60.0060.0299.10
5.2.50.0050.0309.06
5.2.40.0040.0299.04
5.2.30.0090.0269.02
5.2.20.0050.0309.02
5.2.10.0070.0328.92
5.2.00.0050.0308.77
5.1.60.0010.0268.06
5.1.50.0080.0248.05
5.1.40.0030.0258.04
5.1.30.0050.0318.39
5.1.20.0030.0278.41
5.1.10.0030.0338.14
5.1.00.0080.0348.13
5.0.50.0030.0206.61
5.0.40.0020.0206.47
5.0.30.0040.0306.28
5.0.20.0050.0176.25
5.0.10.0030.0206.23
5.0.00.0060.0286.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0050.0164.76
4.4.60.0020.0184.75
4.4.50.0040.0204.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0030.0164.85
4.4.00.0040.0304.76
4.3.110.0030.0154.67
4.3.100.0040.0134.66
4.3.90.0030.0144.63
4.3.80.0010.0264.58
4.3.70.0010.0164.63
4.3.60.0030.0144.62
4.3.50.0050.0154.62
4.3.40.0050.0234.54
4.3.30.0010.0313.28
4.3.20.0020.0163.25
4.3.10.0030.0173.22
4.3.00.0070.01716.72

preferences:
39.79 ms | 401 KiB | 5 Q