3v4l.org

run code in 300+ PHP versions simultaneously
<? if(preg_match('[0-9a-zA-Z]', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } echo " "; if(preg_match('~[0-9a-zA-Z]~', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } echo " "; if(preg_match('~[0-9a-zA-Z]+~', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } ?>

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)
8.3.40.0110.00318.62
8.3.30.0030.01018.79
8.3.20.0000.00720.07
8.3.10.0040.00423.48
8.3.00.0000.00819.02
8.2.170.0110.00422.96
8.2.160.0160.00320.57
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00526.16
8.2.120.0040.00422.11
8.2.110.0040.00420.50
8.2.100.0090.00317.97
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0000.00917.63
8.2.60.0080.00417.88
8.2.50.0000.00918.07
8.2.40.0000.00819.89
8.2.30.0040.00417.92
8.2.20.0020.00517.45
8.2.10.0020.00517.99
8.2.00.0030.00517.61
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00923.93
8.1.230.0060.00618.89
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0060.00317.23
8.1.180.0000.00918.10
8.1.170.0090.00518.52
8.1.160.0000.00721.98
8.1.150.0000.00818.72
8.1.140.0000.00717.32
8.1.130.0000.00717.76
8.1.120.0000.00717.18
8.1.110.0080.00017.36
8.1.100.0000.00717.21
8.1.90.0070.00017.33
8.1.80.0030.00417.34
8.1.70.0030.00317.32
8.1.60.0000.00817.34
8.1.50.0050.00317.35
8.1.40.0060.00317.24
8.1.30.0000.00817.41
8.1.20.0030.00517.50
8.1.10.0070.00017.45
8.1.00.0070.00317.27
8.0.300.0000.00718.77
8.0.290.0060.00316.61
8.0.280.0000.00718.36
8.0.270.0070.00017.14
8.0.260.0030.00317.22
8.0.250.0030.00316.85
8.0.240.0080.00016.81
8.0.230.0090.00016.79
8.0.220.0000.00716.79
8.0.210.0030.00316.63
8.0.200.0070.00016.67
8.0.190.0030.00316.81
8.0.180.0000.00716.84
8.0.170.0050.00216.70
8.0.160.0040.00416.76
8.0.150.0000.00716.76
8.0.140.0030.00316.73
8.0.130.0040.00413.28
8.0.120.0040.00416.61
8.0.110.0080.00016.77
8.0.100.0040.00416.58
8.0.90.0070.00016.62
8.0.80.0110.00316.73
8.0.70.0040.00416.70
8.0.60.0070.00016.75
8.0.50.0020.00516.86
8.0.30.0090.01116.91
8.0.20.0110.01017.40
8.0.10.0030.00516.90
8.0.00.0110.00616.62
7.4.330.0060.00015.02
7.4.320.0000.00616.44
7.4.300.0030.00316.27
7.4.290.0030.00316.46
7.4.280.0070.00016.48
7.4.270.0000.00716.45
7.4.260.0040.00416.48
7.4.250.0000.00716.18
7.4.240.0010.00616.37
7.4.230.0030.00316.52
7.4.220.0130.00616.54
7.4.210.0130.00716.48
7.4.200.0000.00716.18
7.4.160.0150.00016.25
7.4.150.0180.00417.40
7.4.140.0160.01417.86
7.4.130.0080.00916.36
7.4.120.0100.00716.20
7.4.110.0040.01816.42
7.4.100.0090.00916.41
7.4.90.0080.00816.29
7.4.80.0060.01019.39
7.4.70.0150.00916.36
7.4.60.0060.01016.50
7.4.50.0000.00816.23
7.4.40.0160.00016.48
7.4.30.0060.01016.54
7.4.00.0000.01815.05
7.3.330.0000.00613.20
7.3.320.0060.00013.12
7.3.310.0000.00715.99
7.3.300.0000.00716.14
7.3.290.0080.00616.09
7.3.280.0070.00916.11
7.3.270.0090.00917.40
7.3.260.0070.01016.48
7.3.250.0070.01116.08
7.3.240.0090.00916.18
7.3.230.0030.01416.39
7.3.210.0110.00616.11
7.3.200.0060.00919.39
7.3.190.0140.01016.18
7.3.180.0060.01016.36
7.3.170.0130.00616.27
7.3.160.0140.00316.41
7.3.10.0090.00616.65
7.3.00.0070.00716.80
7.2.330.0030.01316.44
7.2.320.0120.00816.62
7.2.310.0120.00916.33
7.2.300.0080.00816.61
7.2.290.0100.01016.54
7.2.130.0060.00317.08
7.2.120.0090.00617.02
7.2.110.0070.00717.09
7.2.100.0000.01316.96
7.2.90.0030.00617.06
7.2.80.0000.01516.75
7.2.70.0060.00616.88
7.2.60.0120.00616.95
7.2.50.0080.00416.97
7.2.40.0040.01116.93
7.2.30.0110.00316.75
7.2.20.0000.01316.80
7.2.10.0040.01117.05
7.2.00.0100.00918.20
7.1.250.0060.00815.84
7.1.100.0000.00818.31
7.1.70.0050.00316.95
7.1.60.0100.01419.11
7.1.50.0100.01617.19
7.1.00.0070.07022.45
7.0.200.0000.00816.54
7.0.140.0100.06322.15
7.0.60.0130.08019.83
7.0.50.0000.06717.80
7.0.40.0070.07320.27
7.0.30.0130.04720.14
7.0.20.0230.04720.11
7.0.10.0070.08720.14
7.0.00.0070.06720.01
5.6.280.0000.07720.86
5.6.210.0100.07320.47
5.6.200.0030.07718.07
5.6.190.0030.05020.67
5.6.180.0200.04020.48
5.6.170.0230.07020.46
5.6.160.0070.04020.41
5.6.150.0000.04318.09
5.6.140.0070.09018.21
5.6.130.0030.05318.11
5.6.120.0030.04320.99
5.6.110.0030.09321.14
5.6.100.0130.07721.02
5.6.90.0130.07721.10
5.6.80.0070.08020.36
5.6.70.4400.04320.52
5.5.350.0100.08720.39
5.5.340.0100.07718.02
5.5.330.0130.06320.34
5.5.320.0130.05720.24
5.5.310.0270.07720.24
5.5.300.0030.08717.94
5.5.290.0030.04018.02
5.5.280.0230.07020.76
5.5.270.0100.08320.95
5.5.260.0170.06720.66
5.5.250.0030.09020.68
5.5.240.0200.07720.35
5.4.450.0700.06019.40
5.4.440.0200.05019.60
5.4.430.0900.05319.40
5.4.420.0770.00019.25
5.4.410.0770.00019.15
5.4.400.0630.00019.33
5.4.390.0630.00019.11
5.4.380.0670.00018.96
5.4.370.0600.00019.16
5.4.360.0630.00019.18
5.4.350.0670.00019.05
5.4.340.0030.03811.98
5.4.320.0030.04312.45
5.4.310.0050.04012.45
5.4.300.0040.03912.45
5.4.290.0070.03712.45
5.4.280.0100.03112.34
5.4.270.0060.04112.34
5.4.260.0070.03812.34
5.4.250.0050.04312.34
5.4.240.0060.03612.35
5.4.230.0040.03912.34
5.4.220.0080.03412.34
5.4.210.0060.03412.34
5.4.200.0050.03812.34
5.4.190.0070.03612.34
5.4.180.0080.04312.34
5.4.170.0060.03612.34
5.4.160.0100.03212.34
5.4.150.0020.04112.34
5.4.140.0070.03712.02
5.4.130.0050.03512.01
5.4.120.0050.03711.97
5.4.110.0080.04011.96
5.4.100.0060.03611.96
5.4.90.0040.03811.96
5.4.80.0070.03611.96
5.4.70.0090.03211.96
5.4.60.0060.04011.96
5.4.50.0050.03611.96
5.4.40.0040.03611.95
5.4.30.0040.03711.95
5.4.20.0070.03611.95
5.4.10.0040.03611.95
5.4.00.0070.03511.43
5.3.290.0080.04012.80
5.3.280.0080.04612.71
5.3.270.0070.04512.73
5.3.260.0090.03612.72
5.3.250.0080.03512.72
5.3.240.0070.03812.72
5.3.230.0060.03812.71
5.3.220.0050.04312.68
5.3.210.0050.04312.68
5.3.200.0060.03712.68
5.3.190.0060.04312.68
5.3.180.0070.03912.68
5.3.170.0110.04212.67
5.3.160.0070.03512.68
5.3.150.0050.03812.68
5.3.140.0070.04012.66
5.3.130.0090.03512.66
5.3.120.0060.03912.66
5.3.110.0090.04412.66
5.3.100.0050.04412.12
5.3.90.0100.03412.09
5.3.80.0070.03712.07
5.3.70.0060.03612.08
5.3.60.0060.04112.07
5.3.50.0060.03812.00
5.3.40.0080.03612.00
5.3.30.0040.03811.94
5.3.20.0050.03511.71
5.3.10.0070.03411.69
5.3.00.0090.03411.67
5.2.170.0040.0319.18
5.2.160.0080.0279.17
5.2.150.0050.0319.18
5.2.140.0070.0339.17
5.2.130.0020.0379.13
5.2.120.0070.0309.13
5.2.110.0070.0309.14
5.2.100.0050.0309.13
5.2.90.0090.0319.13
5.2.80.0060.0319.13
5.2.70.0060.0319.13
5.2.60.0070.0299.09
5.2.50.0030.0379.05
5.2.40.0060.0319.03
5.2.30.0060.0289.01
5.2.20.0090.0308.99
5.2.10.0080.0328.92
5.2.00.0080.0258.78
5.1.60.0030.0248.05
5.1.50.0050.0318.05
5.1.40.0070.0278.04
5.1.30.0060.0398.39
5.1.20.0070.0298.41
5.1.10.0070.0248.13
5.1.00.0040.0288.13
5.0.50.0040.0206.61
5.0.40.0040.0206.47
5.0.30.0050.0406.28
5.0.20.0030.0206.25
5.0.10.0040.0226.23
5.0.00.0020.0326.22
4.4.90.0040.0144.78
4.4.80.0010.0184.75
4.4.70.0000.0184.76
4.4.60.0040.0164.75
4.4.50.0020.0164.77
4.4.40.0010.0264.71
4.4.30.0030.0174.76
4.4.20.0020.0224.85
4.4.10.0020.0164.85
4.4.00.0020.0274.76
4.3.110.0020.0194.67
4.3.100.0000.0204.66
4.3.90.0030.0154.64
4.3.80.0040.0254.59
4.3.70.0040.0194.63
4.3.60.0000.0184.62
4.3.50.0030.0214.63
4.3.40.0080.0364.53
4.3.30.0030.0203.28
4.3.20.0030.0203.26
4.3.10.0020.0213.21
4.3.00.0100.0277.28

preferences:
39.76 ms | 400 KiB | 5 Q