3v4l.org

run code in 300+ PHP versions simultaneously
<?php $valueString = 'test '; $pattern = '/^[a-z0-9]{1,7}$/i'; var_dump(@preg_match($pattern, $valueString));

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)
8.3.60.0150.00016.63
8.3.50.0140.00522.95
8.3.40.0100.00618.61
8.3.30.0100.01019.12
8.3.20.0070.00020.24
8.3.10.0040.00423.65
8.3.00.0050.00319.38
8.2.180.0040.01416.50
8.2.170.0110.01122.96
8.2.160.0100.00320.50
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00321.02
8.2.110.0090.00022.20
8.2.100.0040.00818.03
8.2.90.0040.00419.18
8.2.80.0000.00817.97
8.2.70.0030.00517.75
8.2.60.0060.00317.91
8.2.50.0040.00818.07
8.2.40.0000.00818.03
8.2.30.0030.00518.07
8.2.20.0000.00917.88
8.2.10.0070.00018.09
8.2.00.0080.00017.80
8.1.280.0060.01225.92
8.1.270.0000.00923.88
8.1.260.0040.00426.35
8.1.250.0000.01028.09
8.1.240.0000.00923.97
8.1.230.0030.00919.07
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0040.00418.77
8.1.160.0050.00322.03
8.1.150.0000.00918.94
8.1.140.0070.00017.50
8.1.130.0070.00017.82
8.1.120.0040.00317.65
8.1.110.0030.00517.51
8.1.100.0000.00717.62
8.1.90.0030.00517.61
8.1.80.0040.00417.49
8.1.70.0030.00317.54
8.1.60.0000.01017.72
8.1.50.0080.00017.71
8.1.40.0030.00617.60
8.1.30.0000.00817.69
8.1.20.0070.00017.80
8.1.10.0000.00817.60
8.1.00.0000.00917.52
8.0.300.0000.00818.77
8.0.290.0000.00816.71
8.0.280.0040.00418.45
8.0.270.0000.00717.18
8.0.260.0000.00617.18
8.0.250.0030.00316.98
8.0.240.0040.00417.08
8.0.230.0030.00317.07
8.0.220.0000.00716.90
8.0.210.0000.00717.03
8.0.200.0030.00317.12
8.0.190.0060.00316.98
8.0.180.0100.00017.05
8.0.170.0000.00717.04
8.0.160.0070.00016.98
8.0.150.0070.00016.89
8.0.140.0040.00416.99
8.0.130.0050.00013.45
8.0.120.0000.00816.99
8.0.110.0040.00417.07
8.0.100.0080.00017.02
8.0.90.0030.00516.88
8.0.80.0130.00316.97
8.0.70.0080.00016.97
8.0.60.0000.00816.90
8.0.50.0030.00516.89
8.0.30.0120.00917.13
8.0.20.0110.01017.40
8.0.10.0060.00317.07
8.0.00.0070.01016.93
7.4.330.0050.00015.11
7.4.320.0060.00016.81
7.4.300.0000.00616.71
7.4.290.0040.00416.69
7.4.280.0000.00816.78
7.4.270.0000.00716.81
7.4.260.0080.00316.68
7.4.250.0070.00016.77
7.4.240.0040.00416.72
7.4.230.0030.00316.82
7.4.220.0150.00316.88
7.4.210.0090.00616.75
7.4.200.0000.00716.79
7.4.160.0160.00716.62
7.4.150.0150.00917.40
7.4.140.0110.00617.86
7.4.130.0080.00816.73
7.4.120.0130.00316.61
7.4.110.0070.01116.82
7.4.100.0100.00716.53
7.4.90.0130.00316.76
7.4.80.0090.00919.39
7.4.70.0100.00716.75
7.4.60.0030.01316.59
7.4.50.0030.00516.58
7.4.40.0160.01016.66
7.4.30.0100.00616.73
7.4.00.0070.00315.07
7.3.330.0020.00213.13
7.3.320.0050.00013.21
7.3.310.0000.00816.34
7.3.300.0070.00016.27
7.3.290.0110.00716.27
7.3.280.0090.00716.31
7.3.270.0130.00317.40
7.3.260.0080.01116.23
7.3.250.0090.00816.53
7.3.240.0100.01016.29
7.3.230.0130.00716.57
7.3.210.0080.01616.23
7.3.200.0130.01019.39
7.3.190.0090.01316.62
7.3.180.0140.00316.64
7.3.170.0030.01216.51
7.3.160.0060.00916.38
7.2.330.0120.00616.71
7.2.320.0100.00716.51
7.2.310.0100.00716.54
7.2.300.0100.00716.75
7.2.290.0190.00316.50
7.2.60.0000.01116.71
7.2.00.0000.01419.17
7.1.200.0000.01515.85
7.1.100.0070.00318.09
7.1.70.0000.00717.27
7.1.60.0070.01119.40
7.1.50.0060.01817.16
7.1.00.0070.07322.32
7.0.200.0100.00016.73
7.0.140.0070.07022.21
7.0.60.0070.07720.03
7.0.50.0000.05717.83
7.0.40.0170.05720.26
7.0.30.0200.05720.19
7.0.20.0300.08020.21
7.0.10.0100.07320.12
7.0.00.0000.09020.10
5.6.280.0030.07320.88
5.6.210.0070.06720.71
5.6.200.0070.08318.16
5.6.190.0030.05720.77
5.6.180.0370.05020.64
5.6.170.0270.07020.50
5.6.160.0000.09320.48
5.6.150.0030.05718.15
5.6.140.0030.08718.11
5.6.130.0070.07718.07
5.6.120.0070.04720.74
5.6.110.0100.03321.03
5.6.100.0130.07720.97
5.6.90.0130.07320.87
5.6.80.0100.07720.40
5.5.350.0170.08320.31
5.5.340.0030.04317.89
5.5.330.0070.07720.23
5.5.320.0500.06720.24
5.5.310.0230.03320.26
5.5.300.0030.05317.93
5.5.290.0100.07717.87
5.5.280.0100.08020.77
5.5.270.0200.07720.93
5.5.260.0070.07320.87
5.5.250.0070.04020.70
5.5.240.0230.02020.14
5.4.450.0570.05019.53
5.4.440.0170.04319.45
5.4.430.0470.04719.20
5.4.420.0400.03719.47
5.4.410.0270.03019.28
5.4.400.0370.04319.14
5.4.390.0230.07718.93
5.4.380.0400.05018.66
5.4.370.0370.05718.55
5.4.360.0500.07718.69
5.4.350.0370.06318.64
5.4.340.0370.05018.67
5.4.320.0040.03712.45
5.4.310.0040.03912.45
5.4.300.0050.03912.45
5.4.290.0080.03612.45
5.4.280.0040.03612.35
5.4.270.0050.03712.35
5.4.260.0080.03512.34
5.4.250.0050.03712.34
5.4.240.0040.03712.35
5.4.230.0070.03512.34
5.4.220.0090.03212.34
5.4.210.0070.03412.34
5.4.200.0020.04112.34
5.4.190.0050.03712.33
5.4.180.0040.03712.34
5.4.170.0070.03412.35
5.4.160.0030.03712.34
5.4.150.0040.03612.34
5.4.140.0050.03912.02
5.4.130.0040.03712.01
5.4.120.0060.03911.97
5.4.110.0090.04611.96
5.4.100.0060.03611.96
5.4.90.0080.04011.96
5.4.80.0060.04111.96
5.4.70.0060.03411.96
5.4.60.0060.03311.96
5.4.50.0020.03811.96
5.4.40.0040.03611.95
5.4.30.0060.03511.95
5.4.20.0060.03511.95
5.4.10.0030.03711.95
5.4.00.0040.03711.44
5.3.290.0050.04412.80
5.3.280.0080.03512.71
5.3.270.0080.03512.73
5.3.260.0080.03912.72
5.3.250.0040.03712.72
5.3.240.0070.03412.72
5.3.230.0080.04212.71
5.3.220.0070.03912.68
5.3.210.0060.04112.68
5.3.200.0080.03712.68
5.3.190.0060.03612.68
5.3.180.0050.03612.67
5.3.170.0040.03812.67
5.3.160.0050.03612.67
5.3.150.0040.03812.67
5.3.140.0060.03712.66
5.3.130.0050.04312.66
5.3.120.0050.04012.66
5.3.110.0090.03812.66
5.3.100.0060.03612.12
5.3.90.0040.03912.09
5.3.80.0050.03612.07
5.3.70.0050.03512.07
5.3.60.0040.04112.06
5.3.50.0040.03712.00
5.3.40.0090.03612.00
5.3.30.0050.03911.94
5.3.20.0050.03411.72
5.3.10.0050.03311.69
5.3.00.0040.03711.68
5.2.170.0040.0319.18
5.2.160.0050.0329.18
5.2.150.0040.0309.18
5.2.140.0050.0309.18
5.2.130.0040.0289.14
5.2.120.0070.0279.14
5.2.110.0070.0339.14
5.2.100.0070.0269.14
5.2.90.0070.0299.14
5.2.80.0050.0329.13
5.2.70.0050.0299.13
5.2.60.0050.0299.09
5.2.50.0050.0329.06
5.2.40.0080.0259.04
5.2.30.0060.0299.01
5.2.20.0050.0279.00
5.2.10.0090.0308.93
5.2.00.0070.0318.79
5.1.60.0030.0248.08
5.1.50.0070.0218.07
5.1.40.0050.0308.05
5.1.30.0050.0268.40
5.1.20.0050.0258.43
5.1.10.0030.0288.15
5.1.00.0040.0288.15
5.0.50.0040.0226.63
5.0.40.0030.0206.48
5.0.30.0010.0346.30
5.0.20.0040.0256.27
5.0.10.0060.0186.24
5.0.00.0030.0326.23
4.4.90.0030.0204.78
4.4.80.0030.0194.76
4.4.70.0030.0214.75
4.4.60.0030.0154.75
4.4.50.0040.0164.77
4.4.40.0050.0274.71
4.4.30.0050.0184.76
4.4.20.0020.0194.84
4.4.10.0040.0204.85
4.4.00.0030.0304.76
4.3.110.0050.0204.67
4.3.100.0040.0154.66
4.3.90.0030.0194.64
4.3.80.0040.0274.58
4.3.70.0020.0154.63
4.3.60.0040.0194.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0050.0143.29
4.3.20.0030.0143.26
4.3.10.0010.0163.23
4.3.00.0200.01315.63

preferences:
68.85 ms | 401 KiB | 5 Q