3v4l.org

run code in 300+ PHP versions simultaneously
<?php $usernameCheck = 'dani'; var_dump(!preg_match('/[^a-z_\-0-9]/i', $usernameCheck));

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)
8.3.40.0120.00318.70
8.3.30.0100.00318.72
8.3.20.0090.00020.39
8.3.10.0040.00423.48
8.3.00.0070.00019.13
8.2.170.0070.00722.96
8.2.160.0070.00720.51
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00720.79
8.2.110.0070.00322.30
8.2.100.0040.00720.36
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0120.00018.07
8.2.30.0080.00418.27
8.2.20.0030.00517.82
8.2.10.0030.00517.95
8.2.00.0040.00417.73
8.1.270.0030.00624.02
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.01323.71
8.1.230.0090.00319.13
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0000.00817.25
8.1.180.0060.00318.10
8.1.170.0050.00318.63
8.1.160.0000.00922.07
8.1.150.0000.00718.81
8.1.140.0000.00717.50
8.1.130.0000.00717.88
8.1.120.0040.00417.63
8.1.110.0030.00817.57
8.1.100.0000.00717.65
8.1.90.0040.00417.61
8.1.80.0040.00417.57
8.1.70.0080.00017.50
8.1.60.0060.00317.61
8.1.50.0050.00317.55
8.1.40.0050.00217.67
8.1.30.0050.00317.83
8.1.20.0000.00717.79
8.1.10.0000.00817.49
8.1.00.0040.00417.57
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0000.00718.45
8.0.270.0070.00017.21
8.0.260.0060.00017.31
8.0.250.0030.00317.05
8.0.240.0050.00317.02
8.0.230.0000.00816.93
8.0.220.0050.00316.93
8.0.210.0030.00316.96
8.0.200.0040.00416.97
8.0.190.0000.00817.05
8.0.180.0040.00416.93
8.0.170.0040.00416.94
8.0.160.0040.00416.85
8.0.150.0030.00416.95
8.0.140.0070.00017.04
8.0.130.0060.00013.46
8.0.120.0000.00817.00
8.0.110.0040.00417.07
8.0.100.0020.00516.81
8.0.90.0050.00217.02
8.0.80.0030.01217.04
8.0.70.0040.00417.00
8.0.60.0030.00316.91
8.0.50.0050.00317.05
8.0.30.0160.00417.07
8.0.20.0130.00617.45
8.0.10.0040.00417.10
8.0.00.0070.01116.75
7.4.330.0050.00015.06
7.4.320.0030.00316.80
7.4.300.0030.00316.82
7.4.290.0030.00316.80
7.4.280.0000.01016.84
7.4.270.0070.00016.79
7.4.260.0000.00716.76
7.4.250.0040.00416.77
7.4.240.0050.00216.66
7.4.230.0040.00416.88
7.4.220.0110.00716.63
7.4.210.0100.00416.54
7.4.200.0000.00716.57
7.4.190.0000.00716.77
7.4.160.0160.00816.72
7.4.150.0060.01217.40
7.4.140.0110.00817.86
7.4.130.0120.00516.65
7.4.120.0080.00816.67
7.4.110.0060.01616.53
7.4.100.0100.00716.75
7.4.90.0100.00616.73
7.4.80.0080.00819.39
7.4.70.0050.01116.50
7.4.60.0090.01116.67
7.4.50.0030.00516.77
7.4.40.0040.01816.62
7.4.30.0100.00716.71
7.4.00.0080.00814.96
7.3.330.0030.00413.02
7.3.320.0000.00613.16
7.3.310.0000.00716.21
7.3.300.0030.00316.20
7.3.290.0000.02016.23
7.3.280.0120.00716.29
7.3.270.0040.01317.40
7.3.260.0100.00716.53
7.3.250.0070.01016.43
7.3.240.0090.00916.31
7.3.230.0130.00316.46
7.3.210.0070.01416.52
7.3.200.0080.00819.39
7.3.190.0060.01216.50
7.3.180.0090.00616.36
7.3.170.0030.01316.28
7.3.160.0060.01016.33
7.3.120.0090.00915.02
7.3.110.0030.01514.66
7.3.100.0100.00614.85
7.3.90.0030.01314.44
7.3.80.0090.00614.80
7.3.70.0070.00714.85
7.3.60.0000.00914.92
7.3.50.0060.00614.71
7.3.40.0070.00714.91
7.3.30.0030.01415.00
7.3.20.0060.00916.83
7.3.10.0040.01416.61
7.3.00.0090.00316.73
7.2.330.0100.01016.59
7.2.320.0060.01316.62
7.2.310.0070.01016.62
7.2.300.0130.01016.68
7.2.290.0100.00716.84
7.2.250.0070.01115.27
7.2.240.0040.01115.04
7.2.230.0030.00714.91
7.2.220.0000.01315.06
7.2.210.0070.01015.04
7.2.200.0000.01315.13
7.2.190.0030.00914.79
7.2.180.0070.01015.04
7.2.170.0030.01015.15
7.2.00.0140.00019.07
7.1.330.0070.00716.10
7.1.320.0000.01115.43
7.1.310.0090.00915.93
7.1.300.0040.00716.00
7.1.290.0040.00715.86
7.1.280.0110.00415.94
7.1.270.0070.01015.97
7.1.260.0030.00915.93
7.1.100.0030.01017.84
7.1.70.0000.01517.22
7.1.60.0060.01919.70
7.1.50.0030.00917.02
7.1.00.0000.08022.36
7.0.200.0000.00716.95
7.0.140.0100.06722.09
7.0.60.0030.07720.03
7.0.50.0100.05717.79
7.0.40.0130.07320.29
7.0.30.0270.08020.05
7.0.20.0270.06020.05
7.0.10.0030.09320.18
7.0.00.0170.07720.20
5.6.280.0030.07321.09
5.6.210.0100.06320.54
5.6.200.0030.05718.16
5.6.190.0130.08020.35
5.6.180.0000.05020.27
5.6.170.0200.04320.50
5.6.160.0070.06020.32
5.6.150.0000.06318.15
5.6.140.0000.05718.11
5.6.130.0170.06718.07
5.6.120.0100.06720.99
5.6.110.0100.07321.13
5.6.100.0030.06321.13
5.6.90.0170.07721.09
5.6.80.0100.05020.50
5.5.350.2400.04320.34
5.5.340.0000.04317.93
5.5.330.0030.04720.36
5.5.320.0300.07020.46
5.5.310.0270.07720.27
5.5.300.0100.08017.92
5.5.290.0030.05717.94
5.5.280.0100.03720.72
5.5.270.0000.05020.88
5.5.260.0170.07320.83
5.5.250.0030.04320.45
5.5.240.0000.08720.11
5.4.450.0500.04319.46
5.4.440.0430.05319.13
5.4.430.0200.04346.74
5.4.420.0100.04743.20
5.4.410.0370.04041.16
5.4.400.0300.03038.20
5.4.390.0200.05737.26
5.4.380.0230.04318.64
5.4.370.0130.05718.70
5.4.360.0130.05718.48
5.4.350.0170.05718.67
5.4.340.0100.06318.57
5.4.320.0050.04312.45
5.4.310.0030.04512.45
5.4.300.0060.03912.45
5.4.290.0070.04212.45
5.4.280.0090.04112.34
5.4.270.0070.03812.35
5.4.260.0100.03712.35
5.4.250.0070.03712.35
5.4.240.0060.03612.34
5.4.230.0080.03512.34
5.4.220.0110.03312.34
5.4.210.0070.04012.34
5.4.200.0080.04712.34
5.4.190.0060.04512.34
5.4.180.0100.04312.34
5.4.170.0090.03712.34
5.4.160.0060.04712.34
5.4.150.0080.04612.34
5.4.140.0090.04512.02
5.4.130.0110.04612.01
5.4.120.0040.04711.97
5.4.110.0060.04311.96
5.4.100.0110.03611.96
5.4.90.0120.04911.96
5.4.80.0110.05411.96
5.4.70.0080.06811.96
5.4.60.0060.05311.96
5.4.50.0070.05211.96
5.4.40.0110.04711.95
5.4.30.0120.04511.95
5.4.20.0080.05111.95
5.4.10.0040.05411.95
5.4.00.0060.05311.44
5.3.290.0090.05112.80
5.3.280.0070.04212.71
5.3.270.0110.05112.72
5.3.260.0030.06012.72
5.3.250.0080.04912.72
5.3.240.0060.04612.72
5.3.230.0110.03912.71
5.3.220.0080.04212.68
5.3.210.0120.03912.68
5.3.200.0080.04012.68
5.3.190.0150.04112.68
5.3.180.0060.04912.67
5.3.170.0090.04812.67
5.3.160.0150.04112.68
5.3.150.0080.04812.67
5.3.140.0090.04912.66
5.3.130.0090.05212.66
5.3.120.0090.04812.66
5.3.110.0100.05212.66
5.3.100.0090.04312.11
5.3.90.0080.03512.08
5.3.80.0120.03112.08
5.3.70.0120.03212.07
5.3.60.0070.03712.06
5.3.50.0090.05312.00
5.3.40.0090.03912.00
5.3.30.0070.03811.94
5.3.20.0040.04111.72
5.3.10.0080.03911.69
5.3.00.0090.04911.68
5.2.170.0080.0419.18
5.2.160.0080.0409.18
5.2.150.0090.0399.18
5.2.140.0090.0409.17
5.2.130.0080.0349.13
5.2.120.0030.0389.14
5.2.110.0110.0349.14
5.2.100.0130.0339.14
5.2.90.0120.0379.13
5.2.80.0080.0499.13
5.2.70.0100.0529.13
5.2.60.0110.0499.09
5.2.50.0090.0459.05
5.2.40.0090.0409.04
5.2.30.0070.0449.01
5.2.20.0070.0439.00
5.2.10.0090.0388.92
5.2.00.0070.0428.77
5.1.60.0080.0348.06
5.1.50.0050.0368.05
5.1.40.0060.0378.04
5.1.30.0050.0398.39
5.1.20.0070.0398.41
5.1.10.0070.0378.13
5.1.00.0090.0368.14
5.0.50.0060.0276.61
5.0.40.0070.0266.47
5.0.30.0120.0696.28
5.0.20.0060.0256.25
5.0.10.0040.0286.23
5.0.00.0050.0536.22
4.4.90.0040.0244.78
4.4.80.0030.0294.75
4.4.70.0040.0234.75
4.4.60.0050.0224.75
4.4.50.0040.0234.77
4.4.40.0050.0354.70
4.4.30.0030.0244.76
4.4.20.0040.0234.84
4.4.10.0050.0224.85
4.4.00.0020.0374.76
4.3.110.0070.0214.67
4.3.100.0060.0214.67
4.3.90.0050.0214.63
4.3.80.0050.0344.58
4.3.70.0050.0224.63
4.3.60.0060.0204.63
4.3.50.0020.0244.63
4.3.40.0050.0324.54
4.3.30.0050.0213.28
4.3.20.0020.0233.25
4.3.10.0040.0213.21
4.3.00.0030.02035.86

preferences:
44.39 ms | 400 KiB | 5 Q