3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('[0-9a-zA-Z]', 'bob', $matches), $matches); var_dump(preg_match('~[0-9a-zA-Z]~', 'bob', $matches), $matches); var_dump(preg_match('~[0-9a-zA-Z]+~', 'bob', $matches), $matches);

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)
8.3.60.0110.00418.37
8.3.50.0140.00316.66
8.3.40.0000.01418.78
8.3.30.0100.00318.96
8.3.20.0030.00520.16
8.3.10.0040.00423.58
8.3.00.0000.00919.25
8.2.180.0130.00318.41
8.2.170.0120.00322.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00422.18
8.2.110.0060.00320.20
8.2.100.0090.00317.96
8.2.90.0090.00018.92
8.2.80.0050.00317.97
8.2.70.0070.00317.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0050.00319.81
8.2.30.0070.00317.85
8.2.20.0020.00517.58
8.2.10.0020.00517.99
8.2.00.0030.00617.61
8.1.280.0090.00625.92
8.1.270.0090.00023.93
8.1.260.0090.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00323.87
8.1.230.0100.00019.07
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.25
8.1.190.0030.00617.22
8.1.180.0000.00718.10
8.1.170.0030.00818.59
8.1.160.0040.00421.96
8.1.150.0040.00418.79
8.1.140.0040.00417.55
8.1.130.0060.00317.33
8.1.120.0080.00017.50
8.1.110.0000.00817.40
8.1.100.0000.00717.46
8.1.90.0060.00317.42
8.1.80.0040.00417.45
8.1.70.0070.00017.34
8.1.60.0080.00017.59
8.1.50.0000.00817.51
8.1.40.0030.00617.54
8.1.30.0000.00817.50
8.1.20.0040.00417.59
8.1.10.0070.00017.48
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.21
8.0.270.0040.00417.06
8.0.260.0070.00016.73
8.0.250.0030.00317.00
8.0.240.0030.00516.93
8.0.230.0050.00516.86
8.0.220.0030.00316.86
8.0.210.0000.00716.90
8.0.200.0000.00716.88
8.0.190.0050.00216.83
8.0.180.0000.00716.84
8.0.170.0030.00517.00
8.0.160.0000.00716.87
8.0.150.0050.00216.89
8.0.140.0000.00716.84
8.0.130.0050.00313.25
8.0.120.0080.00016.91
8.0.110.0040.00416.80
8.0.100.0070.00016.78
8.0.90.0040.00416.71
8.0.80.0030.01216.93
8.0.70.0000.00816.69
8.0.60.0040.00416.77
8.0.50.0000.00816.74
8.0.30.0080.01416.95
8.0.20.0150.01017.40
8.0.10.0030.00617.06
8.0.00.0070.01216.69
7.4.330.0050.00015.02
7.4.320.0070.00016.57
7.4.300.0070.00316.46
7.4.290.0030.00316.55
7.4.280.0000.00716.65
7.4.270.0070.00016.68
7.4.260.0000.00716.42
7.4.250.0000.00816.66
7.4.240.0010.00616.51
7.4.230.0000.00716.46
7.4.220.0120.00616.50
7.4.210.0070.00716.56
7.4.200.0050.00216.75
7.4.160.0090.00616.55
7.4.150.0040.01517.40
7.4.140.0200.00417.86
7.4.130.0090.01116.53
7.4.120.0030.01516.57
7.4.110.0130.00616.42
7.4.100.0070.01416.46
7.4.90.0170.00516.45
7.4.80.0120.00819.39
7.4.70.0070.01116.68
7.4.60.0000.01616.50
7.4.50.0060.00316.32
7.4.40.0160.00016.51
7.4.30.0120.00916.40
7.4.00.0090.00614.86
7.3.330.0000.00613.17
7.3.320.0000.00613.20
7.3.310.0070.00016.32
7.3.300.0080.00016.32
7.3.290.0070.00816.27
7.3.280.0130.00416.24
7.3.270.0060.01917.40
7.3.260.0150.00916.32
7.3.250.0150.00616.55
7.3.240.0150.00616.28
7.3.230.0100.00716.39
7.3.210.0200.00316.27
7.3.200.0060.01819.39
7.3.190.0070.01116.18
7.3.180.0120.00316.51
7.3.170.0090.00916.56
7.3.160.0080.00816.22
7.3.10.0180.00216.77
7.3.00.0080.01216.79
7.2.330.0180.00016.51
7.2.320.0040.01316.56
7.2.310.0070.01016.44
7.2.300.0070.00816.62
7.2.290.0170.00016.75
7.2.130.0140.00717.06
7.2.120.0150.00716.92
7.2.110.0120.00816.86
7.2.100.0110.01116.54
7.2.90.0140.00716.93
7.2.80.0160.00816.95
7.2.70.0110.01416.58
7.2.60.0020.01316.99
7.2.50.0220.00316.79
7.2.40.0220.00216.73
7.2.30.0210.00716.75
7.2.20.0050.01916.62
7.2.10.0110.01216.45
7.2.00.0060.00817.97
7.1.250.0200.00015.88
7.1.200.0000.01315.86
7.1.100.0030.00718.14
7.1.70.0070.00717.20
7.1.60.0040.02119.11
7.1.50.0100.01417.21
7.1.00.0030.07322.52
7.0.200.0000.01016.83
7.0.140.0100.06722.00
7.0.60.0100.07320.03
7.0.50.0170.05317.81
7.0.40.0100.08720.25
7.0.30.0330.07020.20
7.0.20.0300.05020.19
7.0.10.0100.06320.02
7.0.00.0100.07720.10
5.6.280.0100.06321.02
5.6.210.0070.08020.72
5.6.200.0000.04318.08
5.6.190.0100.03720.41
5.6.180.0100.06320.61
5.6.170.0230.06720.51
5.6.160.0100.07720.71
5.6.150.0030.06018.16
5.6.140.0030.06318.17
5.6.130.0070.08018.08
5.6.120.0070.05721.01
5.6.110.0170.07020.95
5.6.100.0070.05320.98
5.6.90.0070.07321.12
5.6.80.0070.06320.38
5.6.70.4430.03720.37
5.5.350.0170.08720.40
5.5.340.0100.03018.02
5.5.330.0130.07020.23
5.5.320.0330.07020.39
5.5.310.0200.04720.34
5.5.300.0170.07317.91
5.5.290.0000.07017.98
5.5.280.0130.08020.96
5.5.270.0070.06320.75
5.5.260.0100.07720.96
5.5.250.0030.08020.45
5.5.240.0270.07320.14
5.4.450.0870.06319.09
5.4.440.1170.06019.27
5.4.430.1000.04719.49
5.4.420.0630.00019.30
5.4.410.0670.00019.19
5.4.400.0630.00019.33
5.4.390.0630.00019.09
5.4.380.0630.00018.98
5.4.370.0830.00019.16
5.4.360.0630.00018.92
5.4.350.0630.00019.16
5.4.340.0050.04011.97
5.4.320.0050.03712.45
5.4.310.0070.03812.45
5.4.300.0040.04012.45
5.4.290.0060.04012.45
5.4.280.0060.03412.34
5.4.270.0050.03712.35
5.4.260.0090.03612.35
5.4.250.0050.03812.34
5.4.240.0030.04112.34
5.4.230.0070.03612.34
5.4.220.0060.03612.34
5.4.210.0040.04312.34
5.4.200.0050.03912.34
5.4.190.0090.03312.34
5.4.180.0050.03612.34
5.4.170.0080.03312.35
5.4.160.0050.03712.34
5.4.150.0090.03212.34
5.4.140.0060.03912.02
5.4.130.0070.03412.01
5.4.120.0030.04011.96
5.4.110.0060.03611.96
5.4.100.0100.03511.96
5.4.90.0120.03011.96
5.4.80.0070.03711.96
5.4.70.0030.03811.96
5.4.60.0030.03811.96
5.4.50.0040.04211.96
5.4.40.0060.04111.95
5.4.30.0080.03411.94
5.4.20.0040.03711.95
5.4.10.0070.03411.95
5.4.00.0050.03811.43
5.3.290.0080.04012.80
5.3.280.0040.04012.71
5.3.270.0080.03812.73
5.3.260.0040.04212.72
5.3.250.0080.03512.72
5.3.240.0050.03912.72
5.3.230.0080.03612.70
5.3.220.0050.03812.68
5.3.210.0070.03812.68
5.3.200.0050.03912.68
5.3.190.0070.03912.68
5.3.180.0070.03812.67
5.3.170.0070.03612.67
5.3.160.0030.04012.67
5.3.150.0060.03612.67
5.3.140.0050.03912.66
5.3.130.0090.03812.66
5.3.120.0070.03812.66
5.3.110.0060.04012.66
5.3.100.0060.03712.11
5.3.90.0060.04012.09
5.3.80.0020.04012.07
5.3.70.0080.03512.07
5.3.60.0090.03412.06
5.3.50.0070.03512.00
5.3.40.0070.03412.00
5.3.30.0110.03311.95
5.3.20.0060.03811.73
5.3.10.0060.03411.70
5.3.00.0070.03511.69
5.2.170.0050.0329.19
5.2.160.0050.0339.19
5.2.150.0050.0389.19
5.2.140.0030.0379.19
5.2.130.0050.0299.15
5.2.120.0070.0269.14
5.2.110.0080.0369.16
5.2.100.0070.0279.15
5.2.90.0060.0289.15
5.2.80.0030.0339.14
5.2.70.0040.0309.15
5.2.60.0060.0289.10
5.2.50.0020.0329.07
5.2.40.0030.0319.05
5.2.30.0020.0339.02
5.2.20.0040.0299.02
5.2.10.0060.0278.92
5.2.00.0030.0308.77
5.1.60.0070.0278.06
5.1.50.0050.0238.05
5.1.40.0020.0268.04
5.1.30.0050.0278.39
5.1.20.0020.0298.41
5.1.10.0030.0308.14
5.1.00.0040.0258.13
5.0.50.0020.0246.61
5.0.40.0030.0206.47
5.0.30.0050.0306.29
5.0.20.0050.0206.26
5.0.10.0030.0306.24
5.0.00.0040.0326.23
4.4.90.0050.0134.77
4.4.80.0030.0154.75
4.4.70.0030.0214.75
4.4.60.0030.0164.75
4.4.50.0060.0214.77
4.4.40.0040.0314.70
4.4.30.0040.0144.76
4.4.20.0020.0174.84
4.4.10.0080.0104.85
4.4.00.0020.0264.76
4.3.110.0010.0174.66
4.3.100.0020.0164.66
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0010.0174.63
4.3.50.0000.0184.63
4.3.40.0060.0204.54
4.3.30.0030.0143.29
4.3.20.0010.0173.25
4.3.10.0020.0163.21
4.3.00.0230.0177.28

preferences:
46.14 ms | 400 KiB | 5 Q