3v4l.org

run code in 300+ PHP versions simultaneously
<?php $usernames = array('asdasd123', 'asdas_asdasd123', 'asdsad--asdsa123123', 'asdasd<><><>'); foreach($usernames as $u) { if(preg_match('([A-Za-z0-9\-\_]+)', $u)) { echo $u.' is totally valid <br />'; } else { echo $u. 'is not valid <br />'; } }

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)
8.3.60.0040.01118.41
8.3.50.0120.01121.99
8.3.40.0070.00718.92
8.3.30.0120.00319.03
8.3.20.0030.00620.34
8.3.10.0080.00023.64
8.3.00.0050.00320.69
8.2.180.0100.00718.41
8.2.170.0130.00722.96
8.2.160.0120.00319.09
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00320.79
8.2.110.0100.00020.54
8.2.100.0000.01118.03
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0040.00417.74
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0050.00319.76
8.2.30.0000.00718.18
8.2.20.0000.00817.70
8.2.10.0080.00017.94
8.2.00.0050.00217.80
8.1.280.0150.00025.92
8.1.270.0000.00823.82
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0070.00322.04
8.1.230.0040.00720.93
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0090.00317.34
8.1.190.0000.00817.23
8.1.180.0070.00418.10
8.1.170.0040.00418.72
8.1.160.0070.00021.92
8.1.150.0050.00218.68
8.1.140.0000.00717.55
8.1.130.0070.00017.88
8.1.120.0040.00417.52
8.1.110.0000.00817.61
8.1.100.0040.00317.48
8.1.90.0040.00417.48
8.1.80.0000.00817.59
8.1.70.0000.00717.55
8.1.60.0040.00417.71
8.1.50.0000.00917.58
8.1.40.0030.00617.66
8.1.30.0030.00617.79
8.1.20.0000.00817.83
8.1.10.0000.00817.63
8.1.00.0040.00417.56
8.0.300.0000.00718.77
8.0.290.0030.00317.04
8.0.280.0000.00718.44
8.0.270.0070.00017.18
8.0.260.0030.00317.23
8.0.250.0060.00017.00
8.0.240.0000.00717.12
8.0.230.0000.00717.14
8.0.220.0030.00317.08
8.0.210.0000.00716.92
8.0.200.0000.00717.02
8.0.190.0040.00417.05
8.0.180.0050.00316.91
8.0.170.0090.00017.06
8.0.160.0070.00017.04
8.0.150.0030.00416.82
8.0.140.0040.00416.95
8.0.130.0060.00313.41
8.0.120.0080.00017.03
8.0.110.0000.00917.02
8.0.100.0070.00017.07
8.0.90.0000.00817.00
8.0.80.0090.01216.98
8.0.70.0040.00416.91
8.0.60.0020.00516.97
8.0.50.0040.00416.91
8.0.30.0110.00917.14
8.0.20.0130.00817.40
8.0.10.0070.00017.16
8.0.00.0080.01117.02
7.4.330.0040.00015.00
7.4.320.0060.00316.69
7.4.300.0000.00616.59
7.4.290.0000.00716.80
7.4.280.0030.00316.70
7.4.270.0000.00716.71
7.4.260.0000.00716.70
7.4.250.0040.00416.68
7.4.240.0010.00716.74
7.4.230.0030.00316.84
7.4.220.0060.01316.65
7.4.210.0090.00916.78
7.4.200.0080.00016.60
7.4.190.0030.00316.56
7.4.160.0070.01716.75
7.4.150.0100.01017.40
7.4.140.0170.00417.86
7.4.130.0080.00916.72
7.4.120.0100.00716.77
7.4.110.0120.00616.44
7.4.100.0090.01216.80
7.4.90.0070.01016.52
7.4.80.0140.00419.39
7.4.70.0030.01316.64
7.4.60.0090.00916.42
7.4.50.0060.00316.70
7.4.40.0090.00916.58
7.4.30.0000.01516.68
7.4.00.0070.01115.19
7.3.330.0030.00313.25
7.3.320.0000.00513.31
7.3.310.0070.00016.54
7.3.300.0000.00616.41
7.3.290.0130.00316.43
7.3.280.0100.01016.43
7.3.270.0100.01017.40
7.3.260.0110.01116.36
7.3.250.0090.00816.76
7.3.240.0110.00616.34
7.3.230.0120.00616.71
7.3.210.0100.00716.37
7.3.200.0110.01119.39
7.3.190.0090.00916.65
7.3.180.0040.01216.38
7.3.170.0050.01016.80
7.3.160.0130.00316.63
7.3.120.0070.00715.03
7.2.330.0100.00716.92
7.2.320.0110.00716.87
7.2.310.0100.01016.75
7.2.300.0100.01016.73
7.2.290.0100.00616.78
7.2.00.0030.01419.50
7.1.100.0030.00918.17
7.1.70.0030.01017.19
7.1.60.0100.01319.46
7.1.50.0100.01017.15
7.1.00.0000.08022.38
7.0.200.0050.00316.98
7.0.140.0000.07722.07
7.0.60.0070.08319.94
7.0.50.0100.08317.92
7.0.40.0100.07720.10
7.0.30.0270.08320.21
7.0.20.0400.07720.19
7.0.10.0070.08020.02
7.0.00.0070.08320.13
5.6.280.0030.07321.09
5.6.210.0030.04320.69
5.6.200.0070.08318.08
5.6.190.0030.04320.32
5.6.180.0070.07020.41
5.6.170.0200.03720.48
5.6.160.0100.08320.45
5.6.150.0000.04318.16
5.6.140.0030.04718.18
5.6.130.0070.04318.15
5.6.120.0130.07021.20
5.6.110.0000.04321.11
5.6.100.0130.07320.98
5.6.90.0100.03721.13
5.6.80.0070.05720.48
5.5.350.0000.04720.52
5.5.340.0100.07717.88
5.5.330.0030.05320.15
5.5.320.0370.07020.24
5.5.310.0300.07720.29
5.5.300.0030.04017.92
5.5.290.0000.08717.89
5.5.280.0130.05720.89
5.5.270.0070.05320.84
5.5.260.0030.04320.95
5.5.250.0070.05320.61
5.5.240.0000.08020.04
5.4.450.0230.04742.28
5.4.440.0400.03337.98
5.4.430.0170.05032.62
5.4.420.0300.05031.63
5.4.410.0130.05028.45
5.4.400.0270.03726.81
5.4.390.0270.06719.24
5.4.380.0230.05718.60
5.4.370.0300.05718.77
5.4.360.0400.05018.51
5.4.350.0630.04318.68
5.4.340.0370.05318.63
5.4.320.0060.04012.45
5.4.310.0050.04512.45
5.4.300.0080.04912.46
5.4.290.0120.05112.45
5.4.280.0130.04212.35
5.4.270.0120.06612.35
5.4.260.0090.05512.35
5.4.250.0120.05412.35
5.4.240.0100.05012.35
5.4.230.0130.04712.34
5.4.220.0110.05812.34
5.4.210.0090.04212.34
5.4.200.0080.04512.34
5.4.190.0120.04912.34
5.4.180.0120.05312.34
5.4.170.0070.05112.35
5.4.160.0070.04712.34
5.4.150.0100.04312.34
5.4.140.0060.05012.03
5.4.130.0060.04712.01
5.4.120.0110.04811.98
5.4.110.0070.06911.96
5.4.100.0050.04211.96
5.4.90.0110.04211.96
5.4.80.0100.04611.96
5.4.70.0070.05411.96
5.4.60.0090.04811.96
5.4.50.0100.04511.96
5.4.40.0080.04511.95
5.4.30.0090.04411.95
5.4.20.0080.04911.95
5.4.10.0100.04711.95
5.4.00.0110.04611.44
5.3.290.0100.04112.80
5.3.280.0100.05012.70
5.3.270.0120.05112.72
5.3.260.0150.05412.71
5.3.250.0120.05412.72
5.3.240.0090.05412.72
5.3.230.0080.05212.71
5.3.220.0080.05212.68
5.3.210.0130.04912.68
5.3.200.0140.04512.68
5.3.190.0100.04712.68
5.3.180.0080.05012.67
5.3.170.0080.04912.67
5.3.160.0080.05012.68
5.3.150.0100.04812.67
5.3.140.0100.04912.66
5.3.130.0100.05712.66
5.3.120.0100.04812.66
5.3.110.0060.05212.66
5.3.100.0130.07912.12
5.3.90.0110.05112.08
5.3.80.0080.04612.08
5.3.70.0090.04712.08
5.3.60.0110.04412.06
5.3.50.0110.05112.00
5.3.40.0100.04912.00
5.3.30.0060.04611.94
5.3.20.0060.04611.72
5.3.10.0110.03511.69
5.3.00.0110.04311.68
5.2.170.0090.0349.18
5.2.160.0050.0369.18
5.2.150.0080.0429.18
5.2.140.0070.0399.17
5.2.130.0070.0379.14
5.2.120.0060.0369.13
5.2.110.0040.0369.14
5.2.100.0040.0329.14
5.2.90.0060.0309.14
5.2.80.0050.0329.14
5.2.70.0060.0319.13
5.2.60.0020.0369.09
5.2.50.0030.0349.06
5.2.40.0070.0289.03
5.2.30.0060.0329.01
5.2.20.0070.0339.01
5.2.10.0080.0328.92
5.2.00.0050.0338.78
5.1.60.0050.0278.06
5.1.50.0050.0278.06
5.1.40.0050.0278.04
5.1.30.0070.0288.39
5.1.20.0050.0288.41
5.1.10.0050.0288.14
5.1.00.0080.0308.14
5.0.50.0070.0266.61
5.0.40.0050.0266.47
5.0.30.0070.0376.29
5.0.20.0050.0236.26
5.0.10.0040.0286.23
5.0.00.0090.0366.23
4.4.90.0040.0234.78
4.4.80.0030.0234.76
4.4.70.0100.0154.76
4.4.60.0050.0184.75
4.4.50.0030.0224.77
4.4.40.0030.0324.71
4.4.30.0050.0184.76
4.4.20.0020.0234.85
4.4.10.0060.0194.85
4.4.00.0020.0344.76
4.3.110.0040.0214.67
4.3.100.0040.0204.66
4.3.90.0040.0204.63
4.3.80.0040.0304.58
4.3.70.0050.0194.63
4.3.60.0040.0204.63
4.3.50.0030.0234.63
4.3.40.0040.0334.54
4.3.30.0040.0213.28
4.3.20.0040.0223.25
4.3.10.0040.0363.22
4.3.00.0100.01324.42

preferences:
45.89 ms | 401 KiB | 5 Q