3v4l.org

run code in 300+ PHP versions simultaneously
<?php $usernameCheck = 'dani'; if (false === preg_match('/[^a-z_\-0-9]/i', $usernameCheck) && strlen($usernameCheck) > 3 && strlen($usernameCheck) < 15) { echo 'ok'; } else { echo 'false';}

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)
8.3.40.0090.00618.84
8.3.30.0090.00619.01
8.3.20.0060.00320.32
8.3.10.0030.00523.61
8.3.00.0040.00419.02
8.2.170.0100.01022.96
8.2.160.0110.00620.57
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.79
8.2.110.0040.00422.20
8.2.100.0080.00420.34
8.2.90.0030.00519.05
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0050.00317.93
8.2.50.0000.00918.07
8.2.40.0040.00419.91
8.2.30.0030.00718.25
8.2.20.0080.00017.74
8.2.10.0050.00218.06
8.2.00.0000.00717.83
8.1.270.0050.00324.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00322.25
8.1.230.0040.00818.97
8.1.220.0090.00017.79
8.1.210.0000.00818.77
8.1.200.0090.00017.48
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0060.00318.77
8.1.160.0030.00522.01
8.1.150.0040.00418.82
8.1.140.0040.00417.60
8.1.130.0030.00317.82
8.1.120.0000.00717.65
8.1.110.0040.00717.62
8.1.100.0000.00717.60
8.1.90.0000.00717.66
8.1.80.0000.00717.56
8.1.70.0040.00417.56
8.1.60.0040.00417.72
8.1.50.0040.00417.67
8.1.40.0000.00817.70
8.1.30.0000.00817.73
8.1.20.0080.00017.69
8.1.10.0000.00717.68
8.1.00.0000.00817.52
8.0.300.0000.00718.77
8.0.290.0030.00616.87
8.0.280.0000.00718.47
8.0.270.0070.00017.27
8.0.260.0000.00717.18
8.0.250.0030.00317.00
8.0.240.0000.00717.12
8.0.230.0030.00317.06
8.0.220.0070.00017.01
8.0.210.0040.00417.04
8.0.200.0040.00416.96
8.0.190.0080.00017.00
8.0.180.0000.00717.10
8.0.170.0040.00417.04
8.0.160.0040.00317.09
8.0.150.0050.00316.86
8.0.140.0040.00416.90
8.0.130.0000.00513.51
8.0.120.0040.00417.02
8.0.110.0040.00417.01
8.0.100.0030.00516.85
8.0.90.0040.00417.10
8.0.80.0080.00817.09
8.0.70.0080.00017.10
8.0.60.0040.00416.96
8.0.50.0000.00717.14
8.0.30.0120.00617.33
8.0.20.0080.01017.50
8.0.10.0000.00717.00
8.0.00.0130.00716.95
7.4.330.0030.00315.00
7.4.320.0030.00316.70
7.4.300.0040.00416.81
7.4.290.0040.00416.71
7.4.280.0040.00416.78
7.4.270.0030.00316.77
7.4.260.0030.00316.69
7.4.250.0050.00216.64
7.4.240.0020.00516.78
7.4.230.0000.00716.91
7.4.220.0080.01516.68
7.4.210.0070.00716.78
7.4.200.0040.00416.88
7.4.190.0040.00416.97
7.4.160.0100.00716.60
7.4.150.0110.00717.40
7.4.140.0090.01117.86
7.4.130.0130.00516.67
7.4.120.0100.00716.62
7.4.110.0100.01016.66
7.4.100.0060.01216.56
7.4.90.0070.01116.49
7.4.80.0070.01019.39
7.4.70.0130.00316.69
7.4.60.0100.01316.58
7.4.50.0050.00316.52
7.4.40.0090.00816.67
7.4.30.0130.00316.60
7.4.10.0000.01515.04
7.4.00.0050.01315.05
7.3.330.0030.00413.23
7.3.320.0030.00313.25
7.3.310.0060.00016.42
7.3.300.0000.00716.19
7.3.290.0130.00716.39
7.3.280.0130.00816.39
7.3.270.0210.00417.40
7.3.260.0090.01616.46
7.3.250.0130.00516.56
7.3.240.0120.00916.35
7.3.230.0080.01216.63
7.3.210.0140.00316.54
7.3.200.0060.00919.39
7.3.190.0060.01616.33
7.3.180.0110.01116.57
7.3.170.0030.01216.50
7.3.160.0040.01316.26
7.3.130.0160.00014.97
7.3.120.0080.01014.94
7.3.110.0100.00814.84
7.3.100.0090.00314.90
7.3.90.0080.01014.79
7.3.80.0020.00914.87
7.3.70.0100.00314.84
7.3.60.0020.01214.79
7.3.50.0050.01115.01
7.3.40.0070.00714.93
7.3.30.0050.00914.71
7.3.20.0050.00816.76
7.3.10.0060.01016.82
7.3.00.0060.00816.64
7.2.330.0140.01516.63
7.2.320.0060.01616.65
7.2.310.0030.01316.67
7.2.300.0040.01216.77
7.2.290.0070.01016.58
7.2.260.0100.00715.32
7.2.250.0080.01015.29
7.2.240.0100.00715.23
7.2.230.0060.01115.08
7.2.220.0080.01015.14
7.2.210.0080.00615.04
7.2.200.0010.01015.20
7.2.190.0040.00915.09
7.2.180.0050.01015.23
7.2.170.0070.00715.17
7.2.160.0140.00014.95
7.2.150.0000.01716.74
7.2.140.0060.01017.04
7.2.130.0030.01017.05
7.2.120.0070.01017.08
7.2.110.0100.00716.83
7.2.100.0100.00616.98
7.2.90.0060.00916.97
7.2.80.0100.00017.03
7.2.70.0060.00617.23
7.2.60.0020.01216.81
7.2.50.0090.00317.07
7.2.40.0030.01517.08
7.2.30.0030.01017.15
7.2.20.0090.00616.91
7.2.10.0030.00916.90
7.2.00.0030.01018.06
7.1.330.0080.00515.80
7.1.320.0040.01015.92
7.1.310.0050.00715.93
7.1.300.0060.00815.87
7.1.290.0020.01015.65
7.1.280.0120.00315.86
7.1.270.0080.00615.91
7.1.260.0050.00516.01
7.1.250.0070.00715.49
7.1.240.0040.00715.99
7.1.230.0000.01415.63
7.1.220.0070.00716.05
7.1.210.0090.00615.90
7.1.200.0030.00815.88
7.1.190.0030.01015.62
7.1.180.0040.01215.87
7.1.170.0060.00615.58
7.1.160.0100.00715.66
7.1.150.0030.01015.79
7.1.140.0000.00915.79
7.1.130.0030.01015.71
7.1.120.0070.00715.62
7.1.110.0060.00915.65
7.1.100.0030.00917.01
7.1.90.0000.01015.75
7.1.80.0060.00315.91
7.1.70.0020.01216.69
7.1.60.0070.01417.71
7.1.50.0100.00616.49
7.1.40.0060.01215.88
7.1.30.0100.00315.99
7.1.20.0030.01015.86
7.1.10.0040.01115.84
7.1.00.0060.04019.10
7.0.330.0060.00615.48
7.0.320.0100.00315.66
7.0.310.0090.00315.40
7.0.300.0070.01015.66
7.0.290.0030.00615.70
7.0.280.0040.00715.26
7.0.270.0110.00315.14
7.0.260.0030.00915.36
7.0.250.0030.01015.78
7.0.240.0060.00315.58
7.0.230.0030.01015.50
7.0.220.0040.00415.60
7.0.210.0090.00615.36
7.0.200.0060.00516.12
7.0.190.0000.01615.40
7.0.180.0080.01115.57
7.0.170.0060.00615.70
7.0.160.0040.00815.38
7.0.150.0070.00715.62
7.0.140.0020.04118.92
7.0.130.0030.00715.68
7.0.120.0030.00715.21
7.0.110.0040.00715.32
7.0.100.0140.00015.56
7.0.90.0030.01015.44
7.0.80.0120.00315.41
7.0.70.0040.01115.67
7.0.60.0060.03517.68
7.0.50.0080.04016.62
7.0.40.0080.02916.92
7.0.30.0180.02616.94
7.0.20.0100.02516.92
7.0.10.0050.04016.96
7.0.00.0110.04316.82
5.6.400.0000.01014.12
5.6.390.0060.00914.61
5.6.380.0060.00614.50
5.6.370.0030.01214.10
5.6.360.0060.00314.33
5.6.350.0000.01214.69
5.6.340.0070.01014.74
5.6.330.0030.01414.57
5.6.320.0030.00714.26
5.6.310.0040.00714.23
5.6.300.0060.00914.10
5.6.290.0060.00614.77
5.6.280.0070.04017.70
5.6.270.0030.01014.26
5.6.260.0110.00314.41
5.6.250.0030.01014.43
5.6.240.0030.01014.27
5.6.230.0030.01314.35
5.6.220.0060.00914.25
5.6.210.0070.02817.65
5.6.200.0050.04216.24
5.6.190.0060.03117.54
5.6.180.0080.04117.38
5.6.170.0160.01817.45
5.6.160.0100.03817.46
5.6.150.0030.04516.25
5.6.140.0100.02716.20
5.6.130.0120.01716.26
5.6.120.0040.03917.88
5.6.110.0080.04117.65
5.6.100.0020.02617.73
5.6.90.0120.04217.71
5.6.80.0030.04017.24
5.6.70.0070.00414.58
5.6.60.0150.00314.15
5.6.50.0100.00314.20
5.6.40.0000.01214.33
5.6.30.0060.00614.17
5.6.20.0070.01014.23
5.6.10.0100.00314.11
5.6.00.0110.00014.39
5.5.380.0060.00914.48
5.5.370.0000.01014.05
5.5.360.0070.00714.18
5.5.350.1950.02917.29
5.5.340.0070.02616.29
5.5.330.0090.04017.29
5.5.320.0190.04417.28
5.5.310.0150.02017.29
5.5.300.0050.03616.18
5.5.290.0100.04216.03
5.5.280.0050.02317.44
5.5.270.0080.04317.65
5.5.260.0040.04417.33
5.5.250.0110.03517.44
5.5.240.0040.02017.29
5.5.230.0060.00613.82
5.5.220.0020.01214.09
5.5.210.0060.00614.18
5.5.200.0030.01014.30
5.5.190.0030.00913.93
5.5.180.0120.00314.31
5.5.170.0040.01114.21
5.5.160.0070.00314.26
5.5.150.0040.01113.90
5.5.140.0070.00713.99
5.5.130.0060.00914.24
5.5.120.0030.00713.87
5.5.110.0000.01514.19
5.5.100.0070.01014.09
5.5.90.0060.00614.21
5.5.80.0030.00614.11
5.5.70.0030.01014.40
5.5.60.0000.01613.88
5.5.50.0030.01314.21
5.5.40.0030.01213.78
5.5.30.0000.01414.25
5.5.20.0100.00314.17
5.5.10.0030.01114.05
5.5.00.0000.01414.25
5.4.450.0180.02215.33
5.4.440.0250.02414.95
5.4.430.0110.02928.13
5.4.420.0120.02826.65
5.4.410.0170.02425.66
5.4.400.0200.02324.53
5.4.390.0120.02924.11
5.4.380.0080.02914.86
5.4.370.0050.03314.72
5.4.360.0150.02514.78
5.4.350.0100.02814.71
5.4.340.0100.02914.80
5.4.330.0000.00911.00
5.4.320.0050.02211.79
5.4.310.0060.03411.78
5.4.300.0080.02711.72
5.4.290.0070.02811.69
5.4.280.0120.03111.73
5.4.270.0070.02611.58
5.4.260.0060.02511.68
5.4.250.0080.02711.62
5.4.240.0060.02411.58
5.4.230.0030.02911.49
5.4.220.0080.02111.60
5.4.210.0080.02611.74
5.4.200.0090.02611.71
5.4.190.0060.02511.63
5.4.180.0040.02711.64
5.4.170.0040.02511.67
5.4.160.0030.02311.55
5.4.150.0040.02311.67
5.4.140.0060.02311.35
5.4.130.0090.02011.44
5.4.120.0050.02511.39
5.4.110.0070.02511.30
5.4.100.0070.02111.39
5.4.90.0050.02311.51
5.4.80.0070.02011.38
5.4.70.0050.02411.51
5.4.60.0090.02311.27
5.4.50.0080.02911.54
5.4.40.0020.03211.55
5.4.30.0070.02711.45
5.4.20.0060.02811.48
5.4.10.0050.03011.42
5.4.00.0090.02611.25
5.3.290.0060.03211.70
5.3.280.0060.02911.60
5.3.270.0090.02811.51
5.3.260.0100.03111.65
5.3.250.0080.03111.63
5.3.240.0050.02911.49
5.3.230.0060.02811.61
5.3.220.0080.02711.59
5.3.210.0050.03311.47
5.3.200.0090.02811.51
5.3.190.0080.02511.58
5.3.180.0060.02611.61
5.3.170.0090.02911.60
5.3.160.0060.02611.55
5.3.150.0050.02611.61
5.3.140.0080.03011.58
5.3.130.0100.02611.48
5.3.120.0080.03011.46
5.3.110.0090.03211.51
5.3.100.0100.02711.24
5.3.90.0100.02911.25
5.3.80.0090.02711.18
5.3.70.0050.02911.17
5.3.60.0060.02511.16
5.3.50.0070.02411.13
5.3.40.0060.02811.20
5.3.30.0080.02011.13
5.3.20.0050.02911.05
5.3.10.0070.02110.97
5.3.00.0090.01910.96
5.2.170.0070.0349.18
5.2.160.0060.0349.17
5.2.150.0070.0399.18
5.2.140.0100.0459.18
5.2.130.0110.0389.13
5.2.120.0060.0439.13
5.2.110.0040.0599.14
5.2.100.0110.0489.14
5.2.90.0060.0429.14
5.2.80.0070.0429.13
5.2.70.0060.0439.14
5.2.60.0100.0429.09
5.2.50.0060.0479.05
5.2.40.0080.0419.04
5.2.30.0070.0489.01
5.2.20.0080.0469.00
5.2.10.0050.0428.93
5.2.00.0080.0468.77
5.1.60.0070.0338.06
5.1.50.0110.0558.06
5.1.40.0090.0368.04
5.1.30.0080.0358.39
5.1.20.0090.0588.41
5.1.10.0080.0478.14
5.1.00.0060.0408.14
5.0.50.0060.0296.62
5.0.40.0050.0366.47
5.0.30.0110.0616.29
5.0.20.0090.0276.25
5.0.10.0080.0296.23
5.0.00.0120.0526.22
4.4.90.0080.0394.78
4.4.80.0090.0334.75
4.4.70.0040.0454.76
4.4.60.0060.0234.76
4.4.50.0050.0244.77
4.4.40.0060.0374.71
4.4.30.0050.0234.76
4.4.20.0040.0254.84
4.4.10.0030.0164.85
4.4.00.0030.0304.76
4.3.110.0050.0184.67
4.3.100.0020.0224.66
4.3.90.0050.0184.63
4.3.80.0050.0364.59
4.3.70.0070.0224.63
4.3.60.0070.0224.63
4.3.50.0040.0234.63
4.3.40.0050.0334.54
4.3.30.0030.0273.28
4.3.20.0030.0333.26
4.3.10.0030.0223.22
4.3.00.0070.01335.87

preferences:
38.84 ms | 400 KiB | 5 Q