3v4l.org

run code in 300+ PHP versions simultaneously
<?php $usernameSearch = '12123123123123123123'; if (false === (bool)!preg_match('/[^a-z_\-0-9]/i', $usernameSearch) || strlen($usernameSearch) > 14) { echo 'false'; } else { echo 'true'; }

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)
8.3.70.0100.00716.88
8.3.60.0070.01418.68
8.3.50.0150.00722.06
8.3.40.0040.01119.02
8.3.30.0070.00719.11
8.3.20.0040.00420.00
8.3.10.0000.00923.61
8.3.00.0060.00319.13
8.2.180.0140.00718.54
8.2.170.0070.01322.96
8.2.160.0070.01320.45
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00820.92
8.2.110.0070.00422.04
8.2.100.0090.00318.03
8.2.90.0040.00419.07
8.2.80.0050.00317.97
8.2.70.0070.00317.88
8.2.60.0050.00518.04
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0000.00718.29
8.2.20.0000.00817.71
8.2.10.0080.00018.09
8.2.00.0030.00617.96
8.1.280.0040.01125.92
8.1.270.0040.00423.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.86
8.1.230.0070.00319.02
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0100.00317.35
8.1.190.0040.00417.22
8.1.180.0060.00319.05
8.1.170.0030.00718.59
8.1.160.0000.00722.09
8.1.150.0070.00018.78
8.1.140.0070.00317.55
8.1.130.0030.00317.86
8.1.120.0040.00417.57
8.1.110.0060.00317.60
8.1.100.0040.00317.50
8.1.90.0070.00017.56
8.1.80.0030.00517.63
8.1.70.0000.00717.54
8.1.60.0040.00417.78
8.1.50.0050.00317.55
8.1.40.0040.00417.60
8.1.30.0030.00517.65
8.1.20.0000.00717.79
8.1.10.0030.00617.62
8.1.00.0000.00717.63
8.0.300.0050.00318.77
8.0.290.0040.00417.17
8.0.280.0030.00318.51
8.0.270.0000.00717.33
8.0.260.0000.00617.25
8.0.250.0050.00217.11
8.0.240.0030.00316.99
8.0.230.0030.00317.00
8.0.220.0030.00316.99
8.0.210.0040.00416.95
8.0.200.0030.00317.07
8.0.190.0040.00416.97
8.0.180.0040.00416.95
8.0.170.0040.00417.07
8.0.160.0050.00316.95
8.0.150.0030.00316.91
8.0.140.0080.00016.96
8.0.130.0060.00013.50
8.0.120.0050.00317.03
8.0.110.0050.00216.93
8.0.100.0070.00317.10
8.0.90.0040.00417.08
8.0.80.0120.00416.99
8.0.70.0040.00416.88
8.0.60.0050.00316.87
8.0.50.0050.00416.99
8.0.30.0100.00816.93
8.0.20.0100.01217.40
8.0.10.0000.00717.16
8.0.00.0120.00916.94
7.4.330.0020.00215.05
7.4.320.0000.00616.72
7.4.300.0030.00316.71
7.4.290.0030.00316.66
7.4.280.0070.00016.55
7.4.270.0000.00716.59
7.4.260.0030.00316.80
7.4.250.0040.00416.60
7.4.240.0000.00816.77
7.4.230.0000.00716.61
7.4.220.0140.00616.78
7.4.210.0060.00916.80
7.4.200.0000.00716.70
7.4.190.0040.00416.90
7.4.160.0090.00616.66
7.4.150.0100.01417.40
7.4.140.0120.00917.86
7.4.130.0080.00916.63
7.4.120.0110.00716.72
7.4.110.0070.01116.78
7.4.100.0100.00716.83
7.4.90.0130.00316.67
7.4.80.0130.00319.39
7.4.70.0080.00816.75
7.4.60.0120.00616.71
7.4.50.0040.00416.79
7.4.40.0090.00916.74
7.4.30.0100.01016.78
7.4.00.0040.01215.11
7.3.330.0000.00513.27
7.3.320.0040.00413.13
7.3.310.0000.00816.50
7.3.300.0020.00516.45
7.3.290.0070.00716.47
7.3.280.0100.00916.50
7.3.270.0080.00817.40
7.3.260.0050.01716.75
7.3.250.0080.01216.36
7.3.240.0030.01316.72
7.3.230.0100.01016.47
7.3.210.0160.00316.52
7.3.200.0190.00319.39
7.3.190.0080.00916.78
7.3.180.0070.01016.84
7.3.170.0080.00816.79
7.3.160.0120.00616.88
7.3.120.0000.01315.25
7.2.330.0200.00316.64
7.2.320.0030.01416.74
7.2.310.0080.01416.71
7.2.300.0030.01316.82
7.2.290.0150.00316.73
7.1.70.0000.01517.32
7.1.60.0080.01119.46
7.1.50.0090.00917.01
7.1.00.0000.08022.32
7.0.200.0000.00816.80
7.0.140.0100.06721.97
7.0.100.0130.07720.16
7.0.90.0030.05019.89
7.0.80.0100.06319.87
7.0.70.0100.04319.92
7.0.60.0430.08020.05
7.0.50.0100.06320.20
7.0.40.0070.08020.08
7.0.30.0170.07720.08
7.0.20.0200.07020.04
7.0.10.0070.08320.08
7.0.00.0070.05320.08
5.6.280.0030.07321.03
5.6.250.0030.06020.63
5.6.240.0070.04320.50
5.6.230.0030.05320.66
5.6.220.0070.08020.55
5.6.210.0100.06720.61
5.6.200.0100.08021.05
5.6.190.0130.07721.07
5.6.180.0070.06720.95
5.6.170.0130.07721.07
5.6.160.0100.05320.91
5.6.150.0170.08320.98
5.6.140.0130.04021.00
5.6.130.0200.06721.00
5.6.120.0070.10721.05
5.6.110.0100.04721.09
5.6.100.0070.08021.08
5.6.90.0100.05321.05
5.6.80.0100.06320.45
5.6.70.0030.07720.44
5.6.60.0030.08320.38
5.6.50.0000.08320.39
5.6.40.0070.04320.23
5.6.30.0000.05320.41
5.6.20.0170.06720.43
5.6.10.0100.05320.30
5.6.00.0070.05320.44
5.5.380.0200.06020.49
5.5.370.0170.07020.48
5.5.360.0070.08320.55
5.5.350.0130.07720.45
5.5.340.0170.05020.92
5.5.330.0070.07020.91
5.5.320.0130.07720.73
5.5.310.0130.07720.90
5.5.300.0070.05020.78
5.5.290.0130.07020.92
5.5.280.0130.05020.76
5.5.270.0130.07320.88
5.5.260.0130.05320.82
5.5.250.0100.08020.62
5.5.240.0030.04720.25
5.5.230.0030.07320.28
5.5.220.0030.06320.17
5.5.210.0130.07020.19
5.5.200.0030.04320.25
5.5.190.0000.07720.18
5.5.180.0100.06320.21
5.5.160.0030.04020.11
5.5.150.0000.06720.21
5.5.140.0070.03320.16
5.5.130.0030.04320.21
5.5.120.0030.05320.16
5.5.110.0100.05020.06
5.5.100.0070.04020.09
5.5.90.0000.07320.12
5.5.80.0130.05720.08
5.5.70.0030.08719.95
5.5.60.0030.04720.14
5.5.50.0070.04320.02
5.5.40.0070.07320.04
5.5.30.0000.03720.10
5.5.20.0130.06320.04
5.5.10.0000.08019.96
5.5.00.0070.05720.05
5.4.450.0100.07719.36
5.4.440.0030.05719.29
5.4.430.0170.07319.45
5.4.420.0070.06719.38
5.4.410.0130.07019.29
5.4.400.0130.05719.03
5.4.390.0170.06018.89
5.4.380.0030.04718.78
5.4.370.0030.06319.03
5.4.360.0070.06019.20
5.4.350.0070.04318.94
5.4.340.0030.03719.04
5.4.320.0000.07718.95
5.4.310.0130.07018.98
5.4.300.0070.03719.14
5.4.290.0030.08318.96
5.4.280.0070.03318.78
5.4.270.0100.08019.12
5.4.260.0070.05019.04
5.4.250.0030.03719.03
5.4.240.0070.05719.20
5.4.230.0170.06018.89
5.4.220.0100.07318.82
5.4.210.0070.06719.11
5.4.200.0070.05319.09
5.4.190.0130.06719.22
5.4.180.0070.03718.96
5.4.170.0100.03018.97
5.4.160.0070.06019.08
5.4.150.0000.07018.94
5.4.140.0070.04016.23
5.4.130.0130.05716.21
5.4.120.0100.04316.17
5.4.110.0100.06316.38
5.4.100.0070.05016.45
5.4.90.0170.06016.38
5.4.80.0000.04016.37
5.4.70.0030.04016.36
5.4.60.0100.05316.39
5.4.50.0130.03716.42
5.4.40.0030.07716.38
5.4.30.0100.07316.38
5.4.20.0100.07016.30
5.4.10.0170.06716.18
5.4.00.0070.04715.52
5.3.290.0070.07015.15
5.3.280.0070.08315.15
5.3.270.0100.07015.15
5.3.260.0100.07315.15
5.3.250.0130.04015.15
5.3.240.0070.03315.15
5.3.230.0030.04015.15
5.3.220.0070.04015.15
5.3.210.0030.04315.15
5.3.200.0130.04715.15
5.3.190.0170.06715.15
5.3.180.0070.03015.15
5.3.170.0030.07715.15
5.3.160.0070.07015.15
5.3.150.0030.04015.15
5.3.140.0130.06315.15
5.3.130.0030.07315.15
5.3.120.0070.08015.15
5.3.110.0100.06015.15
5.3.100.0030.04315.15
5.3.90.0070.05715.15
5.3.80.0170.03715.15
5.3.70.0130.05315.15
5.3.60.0000.06715.15
5.3.50.0000.04015.15
5.3.40.0070.04015.15
5.3.30.0000.04015.15
5.3.20.0030.04015.15
5.3.10.0070.03015.15
5.3.00.0030.03315.15
5.2.170.0000.03315.15
5.2.160.0000.03015.15
5.2.150.0030.03015.15
5.2.140.0000.03715.15
5.2.130.0030.03315.15
5.2.120.0030.03015.15
5.2.110.0070.02315.15
5.2.100.0000.03315.15
5.2.90.0070.02715.15
5.2.80.0000.03315.15
5.2.70.0000.03315.15
5.2.60.0000.03015.15
5.2.50.0030.03015.15
5.2.40.0070.02315.15
5.2.30.0030.02715.15
5.2.20.0000.03015.15
5.2.10.0000.03015.15
5.2.00.0070.02715.15
5.1.60.0000.02715.15
5.1.50.0030.02315.15
5.1.40.0000.02715.15
5.1.30.0030.02715.15
5.1.20.0000.03015.15
5.1.10.0030.02315.15
5.1.00.0030.02715.15
5.0.50.0000.02315.15
5.0.40.0030.01315.15
5.0.30.0070.02715.15
5.0.20.0070.01315.15
5.0.10.0000.02015.15
5.0.00.0000.03015.15
4.4.90.0000.01715.15
4.4.80.0030.01315.15
4.4.70.0030.01315.15
4.4.60.0030.01715.15
4.4.50.0030.01315.15
4.4.40.0030.02015.15
4.4.30.0030.01315.15
4.4.20.0000.01715.15
4.4.10.0030.01315.15
4.4.00.0030.02315.15
4.3.110.0030.01315.15
4.3.100.0030.01315.15
4.3.90.0030.01315.15
4.3.80.0030.01715.15
4.3.70.0000.01315.15
4.3.60.0030.01015.15
4.3.50.0000.01315.15
4.3.40.0000.02315.15
4.3.30.0100.00715.15
4.3.20.0000.01715.15
4.3.10.0000.01315.15
4.3.00.0000.01315.15

preferences:
38.88 ms | 401 KiB | 5 Q