3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '[a-z][0-9]'; var_dump(preg_match('~' . $a . '~i', 'Test1'));

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)
8.3.60.0070.01018.56
8.3.50.0070.00722.15
8.3.40.0070.01018.79
8.3.30.0120.00818.72
8.3.20.0070.00020.16
8.3.10.0070.00021.73
8.3.00.0050.00317.80
8.2.180.0070.00716.38
8.2.170.0060.01222.96
8.2.160.0100.00320.53
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00721.09
8.2.110.0090.00022.14
8.2.100.0040.00817.84
8.2.90.0000.00719.40
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0040.00817.80
8.2.50.0090.00018.07
8.2.40.0060.00318.22
8.2.30.0030.00718.26
8.2.20.0040.00417.88
8.2.10.0050.00218.06
8.2.00.0040.00417.81
8.1.280.0120.00325.92
8.1.270.0080.00023.79
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00623.63
8.1.230.0120.00019.10
8.1.220.0020.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00917.36
8.1.180.0040.00418.10
8.1.170.0060.00318.82
8.1.160.0000.00721.96
8.1.150.0000.00718.93
8.1.140.0000.00717.59
8.1.130.0030.00317.71
8.1.120.0030.00517.51
8.1.110.0080.00017.60
8.1.100.0050.00217.53
8.1.90.0080.00417.50
8.1.80.0040.00417.60
8.1.70.0000.00717.55
8.1.60.0040.00417.62
8.1.50.0050.00317.63
8.1.40.0000.00817.67
8.1.30.0000.00817.77
8.1.20.0040.00417.62
8.1.10.0020.00517.57
8.1.00.0050.00217.44
8.0.300.0060.00320.86
8.0.290.0080.00016.88
8.0.280.0050.00318.46
8.0.270.0040.00417.26
8.0.260.0000.00617.27
8.0.250.0070.00017.12
8.0.240.0040.00417.07
8.0.230.0070.00017.04
8.0.220.0040.00417.04
8.0.210.0030.00316.89
8.0.200.0000.00717.01
8.0.190.0050.00217.09
8.0.180.0040.00417.11
8.0.170.0030.00617.05
8.0.160.0070.00017.07
8.0.150.0000.00716.95
8.0.140.0040.00417.00
8.0.130.0000.00513.42
8.0.120.0040.00416.95
8.0.110.0000.00816.96
8.0.100.0040.00416.92
8.0.90.0050.00216.98
8.0.80.0100.01017.05
8.0.70.0070.00017.05
8.0.60.0040.00417.07
8.0.50.0040.00416.91
8.0.30.0140.00717.28
8.0.20.0100.00917.40
8.0.10.0040.00417.03
8.0.00.0170.00316.88
7.4.330.0020.00215.05
7.4.320.0030.00316.64
7.4.300.0020.00516.54
7.4.290.0070.00016.66
7.4.280.0040.00416.63
7.4.270.0030.00316.66
7.4.260.0030.00316.59
7.4.250.0000.00716.74
7.4.240.0050.00216.60
7.4.230.0030.00316.76
7.4.220.0070.01416.59
7.4.210.0090.00616.67
7.4.200.0000.00716.64
7.4.160.0070.01016.55
7.4.150.0070.01317.40
7.4.140.0090.01117.86
7.4.130.0060.01116.67
7.4.120.0070.01016.55
7.4.110.0150.00616.61
7.4.100.0060.01316.72
7.4.90.0070.01016.50
7.4.80.0160.00319.39
7.4.70.0140.00816.64
7.4.60.0100.00716.54
7.4.50.0000.00816.55
7.4.40.0080.00816.34
7.4.30.0080.01016.86
7.4.00.0070.00914.87
7.3.330.0020.00213.17
7.3.320.0060.00013.31
7.3.310.0040.00416.50
7.3.300.0000.00716.29
7.3.290.0100.00316.36
7.3.280.0120.00716.37
7.3.270.0060.01217.40
7.3.260.0050.01116.63
7.3.250.0110.01016.51
7.3.240.0070.01016.79
7.3.230.0060.00916.50
7.3.210.0170.00716.33
7.3.200.0100.00619.39
7.3.190.0110.00616.35
7.3.180.0060.00916.30
7.3.170.0130.00716.61
7.3.160.0090.00616.68
7.3.120.0090.00914.81
7.3.110.0090.00615.18
7.3.100.0040.01414.76
7.3.90.0120.00614.91
7.3.80.0120.00614.84
7.3.70.0070.00714.91
7.3.60.0130.00314.99
7.3.50.0060.00914.55
7.3.40.0070.00314.91
7.3.30.0000.01014.82
7.3.20.0030.01316.83
7.3.10.0040.01416.78
7.3.00.0100.00716.92
7.2.330.0150.00316.62
7.2.320.0070.01316.66
7.2.310.0070.01116.65
7.2.300.0140.00316.69
7.2.290.0070.01016.62
7.2.250.0120.00615.21
7.2.240.0030.01715.02
7.2.230.0090.00614.93
7.2.220.0030.00714.84
7.2.210.0070.00714.93
7.2.200.0080.00415.23
7.2.190.0070.00715.12
7.2.180.0060.00615.24
7.2.170.0030.01314.96
7.2.60.0130.00716.77
7.2.00.0030.00919.58
7.1.330.0060.00615.89
7.1.320.0060.00916.03
7.1.310.0030.01016.00
7.1.300.0070.00715.80
7.1.290.0080.00315.92
7.1.280.0030.01415.89
7.1.270.0000.01315.72
7.1.260.0000.01315.71
7.1.200.0000.01515.99
7.1.100.0050.00518.05
7.1.70.0030.00617.22
7.1.60.0070.01819.25
7.1.50.0090.01217.02
7.1.00.0070.07022.55
7.0.200.0000.01016.67
7.0.140.0030.07022.04
7.0.60.0170.07319.83
7.0.50.0070.04717.93
7.0.40.0200.07020.07
7.0.30.0270.08320.11
7.0.20.0470.05020.02
7.0.10.0100.06720.22
7.0.00.0130.08020.03
5.6.280.0130.06320.92
5.6.210.0030.05320.50
5.6.200.0130.07018.22
5.6.190.0000.04720.57
5.6.180.0230.08020.27
5.6.170.0300.07720.48
5.6.160.0030.07020.52
5.6.150.0170.04318.22
5.6.140.0170.05718.20
5.6.130.0070.06318.16
5.6.120.0030.04321.11
5.6.110.0070.04021.12
5.6.100.0100.07021.11
5.6.90.0170.06021.00
5.6.80.0100.08020.37
5.5.350.0170.05020.41
5.5.340.0100.08017.92
5.5.330.0070.07020.28
5.5.320.0270.07320.52
5.5.310.0330.08020.20
5.5.300.0030.09017.91
5.5.290.0100.05718.03
5.5.280.0070.07020.96
5.5.270.0000.05020.87
5.5.260.0170.03320.79
5.5.250.0000.07720.61
5.5.240.0070.05320.34
5.4.450.0500.06719.10
5.4.440.0130.06019.55
5.4.430.0170.05319.24
5.4.420.0170.06719.60
5.4.410.0100.05018.97
5.4.400.0400.06718.77
5.4.390.0330.04718.58
5.4.380.0200.05318.69
5.4.370.0070.04018.68
5.4.360.0100.05318.66
5.4.350.0050.03411.97
5.4.340.0000.00011.97
5.4.320.0030.03912.46
5.4.310.0050.03912.45
5.4.300.0080.03412.45
5.4.290.0110.03312.45
5.4.280.0050.03612.35
5.4.270.0020.04012.35
5.4.260.0050.03912.35
5.4.250.0050.03712.34
5.4.240.0060.03512.34
5.4.230.0080.03812.34
5.4.220.0050.03712.34
5.4.210.0030.03812.34
5.4.200.0070.04112.34
5.4.190.0050.04312.33
5.4.180.0070.03512.34
5.4.170.0070.03512.35
5.4.160.0030.03912.34
5.4.150.0070.03512.34
5.4.140.0070.04412.02
5.4.130.0080.03512.01
5.4.120.0070.03411.97
5.4.110.0070.03511.96
5.4.100.0120.03111.96
5.4.90.0020.04311.96
5.4.80.0080.03511.96
5.4.70.0060.03711.96
5.4.60.0040.04511.96
5.4.50.0060.03511.96
5.4.40.0040.03611.95
5.4.30.0040.03711.95
5.4.20.0060.03511.95
5.4.10.0040.03611.95
5.4.00.0050.03811.44
5.3.290.0060.03812.80
5.3.280.0080.03612.71
5.3.270.0080.03812.73
5.3.260.0070.03912.72
5.3.250.0090.03412.72
5.3.240.0040.03912.72
5.3.230.0060.04112.71
5.3.220.0060.03712.68
5.3.210.0070.03912.68
5.3.200.0060.03812.68
5.3.190.0050.04012.68
5.3.180.0060.03712.68
5.3.170.0070.03712.67
5.3.160.0080.03512.67
5.3.150.0090.03512.68
5.3.140.0060.03912.66
5.3.130.0020.04312.66
5.3.120.0080.03812.66
5.3.110.0080.04412.66
5.3.100.0130.03912.12
5.3.90.0100.03512.08
5.3.80.0060.04012.08
5.3.70.0080.03812.07
5.3.60.0130.04112.06
5.3.50.0090.04412.00
5.3.40.0050.04012.00
5.3.30.0070.03511.95
5.3.20.0050.03811.73
5.3.10.0080.03311.70
5.3.00.0050.03711.68
5.2.170.0040.0339.19
5.2.160.0080.0289.19
5.2.150.0050.0309.19
5.2.140.0050.0309.19
5.2.130.0070.0279.15
5.2.120.0040.0419.15
5.2.110.0050.0299.15
5.2.100.0030.0309.14
5.2.90.0070.0359.15
5.2.80.0050.0299.14
5.2.70.0080.0279.14
5.2.60.0080.0329.09
5.2.50.0040.0339.06
5.2.40.0040.0299.04
5.2.30.0100.0329.02
5.2.20.0050.0349.01
5.2.10.0060.0318.92
5.2.00.0050.0308.77
5.1.60.0070.0278.06
5.1.50.0040.0258.06
5.1.40.0040.0258.04
5.1.30.0050.0258.39
5.1.20.0040.0348.41
5.1.10.0070.0268.13
5.1.00.0030.0278.14
5.0.50.0050.0206.61
5.0.40.0050.0206.47
5.0.30.0030.0326.29
5.0.20.0020.0216.25
5.0.10.0050.0186.23
5.0.00.0050.0296.22
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0030.0164.76
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0050.0224.71
4.4.30.0050.0194.76
4.4.20.0060.0184.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0050.0134.66
4.3.90.0020.0154.63
4.3.80.0030.0254.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0040.0224.54
4.3.30.0020.0163.27
4.3.20.0040.0143.25
4.3.10.0010.0173.22
4.3.00.0100.0307.21

preferences:
52.46 ms | 401 KiB | 5 Q