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)
8.3.60.0140.00716.63
8.3.50.0100.01021.15
8.3.40.0090.00618.77
8.3.30.0000.01418.81
8.3.20.0030.00620.33
8.3.10.0070.00723.69
8.3.00.0040.00419.02
8.2.180.0120.00316.50
8.2.170.0070.00722.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00420.98
8.2.110.0070.00320.57
8.2.100.0040.00717.78
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0060.00617.68
8.2.50.0090.00018.07
8.2.40.0030.00619.95
8.2.30.0040.00418.20
8.2.20.0070.00017.67
8.2.10.0000.00818.07
8.2.00.0050.00217.68
8.1.280.0110.00725.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00023.97
8.1.230.0130.00017.57
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0030.00517.23
8.1.180.0060.00318.10
8.1.170.0000.00718.78
8.1.160.0000.00722.00
8.1.150.0070.00018.60
8.1.140.0040.00417.53
8.1.130.0050.00217.76
8.1.120.0000.00717.43
8.1.110.0070.00317.43
8.1.100.0040.00417.57
8.1.90.0040.00417.54
8.1.80.0060.00317.49
8.1.70.0030.00317.47
8.1.60.0030.00517.59
8.1.50.0060.00317.63
8.1.40.0040.00417.51
8.1.30.0030.00617.72
8.1.20.0040.00417.71
8.1.10.0030.00517.46
8.1.00.0030.00617.46
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.44
8.0.270.0000.00617.21
8.0.260.0030.00317.20
8.0.250.0030.00317.04
8.0.240.0000.00817.03
8.0.230.0000.00717.04
8.0.220.0000.00716.82
8.0.210.0040.00316.96
8.0.200.0040.00417.07
8.0.190.0000.00717.04
8.0.180.0050.00317.01
8.0.170.0030.00516.95
8.0.160.0050.00316.99
8.0.150.0000.00816.87
8.0.140.0040.00416.84
8.0.130.0000.00613.35
8.0.120.0000.01016.86
8.0.110.0050.00316.84
8.0.100.0000.00816.79
8.0.90.0000.00716.95
8.0.80.0110.00416.97
8.0.70.0080.00016.89
8.0.60.0040.00416.97
8.0.50.0040.00416.83
8.0.30.0130.00517.23
8.0.20.0150.00317.40
8.0.10.0040.00417.13
8.0.00.0190.00316.93
7.4.330.0050.00015.00
7.4.320.0060.00016.73
7.4.300.0070.00016.74
7.4.290.0000.00716.63
7.4.280.0040.00416.71
7.4.270.0000.00716.63
7.4.260.0000.00616.60
7.4.250.0040.00416.50
7.4.240.0000.00716.62
7.4.230.0030.00316.78
7.4.220.0140.01416.75
7.4.210.0060.00916.71
7.4.200.0070.00016.84
7.4.190.0070.00016.73
7.4.160.0100.00616.62
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0080.01016.66
7.4.120.0070.01216.66
7.4.110.0090.00816.73
7.4.100.0060.01216.50
7.4.90.0110.00616.45
7.4.80.0100.00719.39
7.4.70.0030.01416.77
7.4.60.0090.00916.63
7.4.50.0060.00316.45
7.4.40.0150.00616.60
7.4.30.0120.00416.76
7.4.00.0040.01115.12
7.3.330.0040.00413.12
7.3.320.0050.00013.07
7.3.310.0030.00316.14
7.3.300.0000.00716.29
7.3.290.0090.00816.23
7.3.280.0090.01216.29
7.3.270.0100.00717.40
7.3.260.0130.00316.28
7.3.250.0070.01016.52
7.3.240.0130.00416.27
7.3.230.0050.01116.47
7.3.210.0170.00416.48
7.3.200.0160.00019.39
7.3.190.0100.01016.71
7.3.180.0140.00416.36
7.3.170.0130.00316.64
7.3.160.0160.00016.55
7.3.120.0140.00314.89
7.3.10.0060.00816.57
7.3.00.0080.00116.78
7.2.330.0170.00016.45
7.2.320.0060.01216.75
7.2.310.0030.01316.48
7.2.300.0090.01216.70
7.2.290.0070.01016.43
7.2.130.0070.00516.74
7.2.120.0060.00416.91
7.2.110.0080.00616.97
7.2.100.0030.00816.84
7.2.90.0050.00916.89
7.2.80.0050.00716.81
7.2.70.0100.00216.81
7.2.60.0070.00516.83
7.2.50.0030.01016.90
7.2.40.0010.01016.97
7.2.30.0080.00616.89
7.2.20.0050.00816.93
7.2.10.0060.00616.74
7.2.00.0140.00317.83
7.1.250.0030.00715.95
7.1.100.0000.00917.91
7.1.70.0000.01217.29
7.1.60.0100.01319.70
7.1.50.0060.00617.13
7.1.00.0030.07722.33
7.0.200.0000.00816.72
7.0.140.0100.06721.97
7.0.60.0100.05019.94
7.0.50.0030.07717.86
7.0.40.0130.04720.09
7.0.30.0330.07320.04
7.0.20.0370.07020.19
7.0.10.0000.05020.14
7.0.00.0100.08020.18
5.6.280.0030.07320.77
5.6.210.0070.07020.69
5.6.200.0130.08318.09
5.6.190.0130.08020.61
5.6.180.0130.03720.27
5.6.170.0200.05020.48
5.6.160.0070.06720.48
5.6.150.0070.08318.18
5.6.140.0000.09018.22
5.6.130.0100.07718.21
5.6.120.0170.05721.13
5.6.110.0100.04321.00
5.6.100.0070.04720.98
5.6.90.0030.08321.12
5.6.80.0070.08020.44
5.5.350.4130.04720.34
5.5.340.0070.07017.92
5.5.330.0030.04320.25
5.5.320.0300.07720.51
5.5.310.0370.06020.16
5.5.300.0030.08017.90
5.5.290.0070.08317.98
5.5.280.0070.08720.86
5.5.270.0100.05320.96
5.5.260.0100.07320.75
5.5.250.0130.08020.65
5.5.240.0000.06720.14
5.4.450.0330.04719.57
5.4.440.0230.03319.41
5.4.430.0370.04746.74
5.4.420.0300.03343.20
5.4.410.0270.04041.20
5.4.400.0200.04038.20
5.4.390.0230.04037.27
5.4.380.0200.04718.47
5.4.370.0130.05718.66
5.4.360.0100.05718.70
5.4.350.0230.05318.70
5.4.340.0200.04718.47
5.4.320.0050.03712.45
5.4.310.0050.04012.45
5.4.300.0070.04112.45
5.4.290.0090.04812.45
5.4.280.0090.04712.35
5.4.270.0080.04612.35
5.4.260.0050.04312.34
5.4.250.0050.04612.34
5.4.240.0090.04612.35
5.4.230.0060.05112.34
5.4.220.0100.04912.34
5.4.210.0160.04112.34
5.4.200.0110.04412.34
5.4.190.0050.04512.34
5.4.180.0060.04212.34
5.4.170.0100.03712.34
5.4.160.0080.03812.34
5.4.150.0080.03812.34
5.4.140.0070.04112.02
5.4.130.0060.03912.01
5.4.120.0060.04111.96
5.4.110.0060.03811.96
5.4.100.0080.03911.96
5.4.90.0100.03711.97
5.4.80.0070.04311.96
5.4.70.0100.03811.96
5.4.60.0060.03911.96
5.4.50.0110.03711.96
5.4.40.0100.03911.95
5.4.30.0060.04911.95
5.4.20.0060.04611.95
5.4.10.0110.04311.95
5.4.00.0130.04311.44
5.3.290.0070.05112.80
5.3.280.0070.05312.71
5.3.270.0160.06012.72
5.3.260.0060.05512.72
5.3.250.0090.04912.72
5.3.240.0070.04912.72
5.3.230.0090.05112.71
5.3.220.0090.05012.68
5.3.210.0080.05112.68
5.3.200.0100.04212.68
5.3.190.0060.04712.68
5.3.180.0060.05612.68
5.3.170.0110.05412.67
5.3.160.0090.05512.67
5.3.150.0120.04912.68
5.3.140.0110.04912.66
5.3.130.0100.05312.66
5.3.120.0080.05312.66
5.3.110.0080.05512.66
5.3.100.0090.04612.12
5.3.90.0060.05012.09
5.3.80.0070.04312.08
5.3.70.0070.03812.08
5.3.60.0080.04612.06
5.3.50.0070.03812.00
5.3.40.0060.04712.00
5.3.30.0110.04611.94
5.3.20.0100.04011.71
5.3.10.0080.03611.69
5.3.00.0090.03511.68
5.2.170.0060.0319.18
5.2.160.0080.0309.18
5.2.150.0060.0339.18
5.2.140.0070.0519.18
5.2.130.0090.0439.13
5.2.120.0090.0429.13
5.2.110.0070.0459.14
5.2.100.0060.0509.14
5.2.90.0170.0389.13
5.2.80.0110.0449.13
5.2.70.0130.0449.13
5.2.60.0090.0489.08
5.2.50.0080.0479.05
5.2.40.0110.0449.04
5.2.30.0150.0469.01
5.2.20.0060.0489.00
5.2.10.0070.0448.92
5.2.00.0070.0498.77
5.1.60.0080.0498.06
5.1.50.0120.0398.06
5.1.40.0080.0378.04
5.1.30.0070.0408.39
5.1.20.0050.0418.41
5.1.10.0060.0398.13
5.1.00.0060.0408.13
5.0.50.0030.0336.61
5.0.40.0070.0296.47
5.0.30.0070.0446.29
5.0.20.0070.0276.25
5.0.10.0050.0346.23
5.0.00.0050.0466.23
4.4.90.0040.0254.78
4.4.80.0030.0264.75
4.4.70.0050.0234.76
4.4.60.0050.0194.76
4.4.50.0060.0194.77
4.4.40.0040.0294.71
4.4.30.0050.0154.76
4.4.20.0010.0194.85
4.4.10.0050.0174.85
4.4.00.0040.0314.76
4.3.110.0020.0234.67
4.3.100.0030.0204.66
4.3.90.0030.0204.64
4.3.80.0040.0314.58
4.3.70.0020.0224.63
4.3.60.0050.0204.63
4.3.50.0060.0184.63
4.3.40.0080.0274.54
4.3.30.0040.0203.28
4.3.20.0040.0203.25
4.3.10.0050.0183.21
4.3.00.0070.01335.90

preferences:
36.26 ms | 401 KiB | 5 Q