3v4l.org

run code in 300+ PHP versions simultaneously
<?php $usernameCheck = 'dani'; function checkUsername($username) { return (bool)preg_match('/[^a-z_\-0-9]/i', $username); } var_dump(checkUsername($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)
8.3.60.0070.01118.43
8.3.50.0130.00318.19
8.3.40.0070.00718.66
8.3.30.0140.00019.09
8.3.20.0080.00020.34
8.3.10.0040.00423.41
8.3.00.0080.00019.08
8.2.180.0150.00616.75
8.2.170.0070.01422.96
8.2.160.0140.00020.20
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.85
8.2.110.0030.00622.14
8.2.100.0080.00417.97
8.2.90.0000.00719.16
8.2.80.0000.00817.97
8.2.70.0030.01017.73
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0030.00619.73
8.2.30.0000.00718.26
8.2.20.0040.00417.82
8.2.10.0000.00818.07
8.2.00.0030.00617.72
8.1.270.0130.00623.97
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0040.00423.87
8.1.230.0070.00418.88
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0000.00917.38
8.1.180.0070.00018.10
8.1.170.0090.00018.68
8.1.160.0000.00721.93
8.1.150.0040.00418.83
8.1.140.0000.00717.63
8.1.130.0070.00017.89
8.1.120.0000.00717.66
8.1.110.0000.00917.61
8.1.100.0050.00317.48
8.1.90.0040.00417.53
8.1.80.0000.00717.50
8.1.70.0060.00317.50
8.1.60.0000.00817.75
8.1.50.0040.00417.64
8.1.40.0040.00417.65
8.1.30.0000.00817.63
8.1.20.0060.00317.71
8.1.10.0000.00717.60
8.1.00.0040.00417.38
8.0.300.0000.00718.90
8.0.290.0030.00516.75
8.0.280.0000.00718.36
8.0.270.0050.00317.26
8.0.260.0030.00317.29
8.0.250.0040.00417.10
8.0.240.0070.00017.07
8.0.230.0070.00017.06
8.0.220.0030.00316.92
8.0.210.0000.00616.91
8.0.200.0030.00517.09
8.0.190.0070.00017.08
8.0.180.0040.00417.03
8.0.170.0040.00417.09
8.0.160.0000.00716.96
8.0.150.0040.00416.95
8.0.140.0070.00016.93
8.0.130.0000.00513.37
8.0.120.0040.00416.95
8.0.110.0050.00317.02
8.0.100.0040.00416.97
8.0.90.0050.00217.01
8.0.80.0080.00817.00
8.0.70.0000.00717.04
8.0.60.0000.00716.85
8.0.50.0040.00416.83
8.0.30.0160.00617.26
8.0.20.0100.00817.44
8.0.10.0070.00017.03
8.0.00.0070.01316.84
7.4.330.0050.00015.00
7.4.320.0000.00616.80
7.4.300.0060.00016.79
7.4.290.0030.00316.61
7.4.280.0070.00416.70
7.4.270.0070.00016.56
7.4.260.0070.00016.65
7.4.250.0030.00516.73
7.4.240.0030.00316.78
7.4.230.0030.00316.51
7.4.220.0110.00916.68
7.4.210.0030.01016.89
7.4.200.0000.00716.80
7.4.190.0000.00716.88
7.4.160.0100.00716.59
7.4.150.0120.00617.40
7.4.140.0120.00717.86
7.4.130.0080.00916.53
7.4.120.0070.01016.64
7.4.110.0090.01216.94
7.4.100.0070.01016.46
7.4.90.0170.00316.55
7.4.80.0100.00719.39
7.4.70.0130.00316.82
7.4.60.0000.01516.61
7.4.50.0040.00016.43
7.4.40.0080.00816.70
7.4.30.0120.00416.38
7.4.00.0040.01115.26
7.3.330.0000.00513.40
7.3.320.0000.00813.13
7.3.310.0040.00416.36
7.3.300.0000.00816.30
7.3.290.0050.01316.44
7.3.280.0100.00916.37
7.3.270.0060.01517.40
7.3.260.0120.00616.37
7.3.250.0110.00716.45
7.3.240.0120.00816.71
7.3.230.0070.01016.41
7.3.210.0100.00716.50
7.3.200.0100.00719.39
7.3.190.0070.01116.64
7.3.180.0130.00316.44
7.3.170.0130.00916.61
7.3.160.0060.01016.58
7.3.120.0090.00915.09
7.3.10.0130.00316.83
7.3.00.0080.00816.63
7.2.330.0100.00716.74
7.2.320.0120.01216.86
7.2.310.0070.01116.85
7.2.300.0090.01316.79
7.2.290.0040.01416.54
7.2.130.0000.01516.82
7.2.120.0000.00916.69
7.2.110.0070.00717.09
7.2.100.0100.00717.02
7.2.90.0060.01217.04
7.2.80.0050.00616.78
7.2.70.0030.01017.12
7.2.60.0090.00317.12
7.2.50.0090.00917.16
7.2.40.0030.01416.84
7.2.30.0090.00617.00
7.2.20.0120.00316.88
7.2.10.0030.01416.70
7.2.00.0070.00718.05
7.1.250.0060.00915.58
7.1.200.0070.00416.00
7.1.100.0000.00918.46
7.1.70.0100.00617.43
7.1.60.0100.01319.70
7.1.50.0060.01817.09
7.1.00.0100.07022.34
7.0.200.0560.00914.70
7.0.140.0000.07722.09
7.0.110.0130.04019.86
7.0.100.0070.03719.96
7.0.90.0070.03719.93
7.0.80.0170.04019.79
7.0.70.0230.04320.04
7.0.60.0130.06719.64
7.0.50.0070.03320.05
7.0.40.0100.03019.65
7.0.30.0030.04319.87
7.0.20.0170.02319.70
7.0.10.0070.04019.64
7.0.00.0000.04319.75
5.6.280.0030.07320.86
5.6.260.0030.04020.51
5.6.250.0100.03320.66
5.6.240.0030.03720.70
5.6.230.0100.05720.69
5.6.220.0030.03320.51
5.6.210.0130.05720.62
5.6.200.0070.04020.70
5.6.190.0070.07320.69
5.6.180.0030.04020.66
5.6.170.0030.03720.66
5.6.160.0100.03020.70
5.6.150.0100.03720.70
5.6.140.0030.04020.63
5.6.130.0030.07320.63
5.6.120.0070.06320.70
5.6.110.0100.03020.64
5.6.100.0000.04320.54
5.6.90.0100.03320.61
5.6.80.0070.03720.24
5.6.70.0000.05720.04
5.6.60.0070.03719.99
5.6.50.0030.04720.01
5.6.40.0070.04020.00
5.6.30.0000.04720.00
5.6.20.0030.04320.05
5.6.10.0100.03320.07
5.6.00.0070.03320.21
5.5.380.0030.03317.59
5.5.370.0070.03017.60
5.5.360.0030.04017.69
5.5.350.0100.07317.51
5.5.340.0030.03317.84
5.5.330.0070.06017.92
5.5.320.0030.04318.07
5.5.310.0030.04318.09
5.5.300.0070.06718.05
5.5.290.0030.03718.13
5.5.280.0030.05018.05
5.5.270.0000.05017.92
5.5.260.0100.03318.09
5.5.250.0030.04317.94
5.5.240.0130.04017.61
5.5.230.0000.05017.50
5.5.220.0070.06317.61
5.5.210.0070.07717.45
5.5.200.0030.04017.45
5.5.190.0100.04017.45
5.5.180.0000.04717.41
5.5.160.0030.06017.43
5.5.150.0030.03317.42
5.5.140.0000.03717.28
5.5.130.0030.03317.18
5.5.120.0030.04317.26
5.5.110.0030.03317.42
5.5.100.0100.05017.16
5.5.90.0070.03317.50
5.5.80.0030.03317.34
5.5.70.0070.03717.34
5.5.60.0000.04017.17
5.5.50.0100.03717.15
5.5.40.0100.06317.47
5.5.30.0000.03317.35
5.5.20.0100.06717.16
5.5.10.0100.05717.47
5.5.00.0000.04017.16
5.4.450.0000.04319.51
5.4.440.0100.03019.33
5.4.430.0030.03319.31
5.4.420.0100.03319.63
5.4.410.0000.04719.43
5.4.400.0000.04319.09
5.4.390.0070.04019.18
5.4.380.0100.03019.18
5.4.370.0000.07019.09
5.4.360.0100.04318.95
5.4.350.0100.03019.18
5.4.340.0000.03319.17
5.4.320.0100.03319.18
5.4.310.0000.04718.96
5.4.300.0030.03719.18
5.4.290.0100.03319.00
5.4.280.0100.07019.08
5.4.270.0000.03719.33
5.4.260.0030.03319.00
5.4.250.0000.04319.33
5.4.240.0070.03018.95
5.4.230.0030.03719.24
5.4.220.0000.04019.15
5.4.210.0030.04019.08
5.4.200.0030.03319.02
5.4.190.0030.03019.13
5.4.180.0030.04019.16
5.4.170.0030.03718.98
5.4.160.0130.03319.07
5.4.150.0000.04719.17
5.4.140.0000.03316.38
5.4.130.0030.04316.37
5.4.120.0070.03316.42
5.4.110.0070.03316.43
5.4.100.0030.03716.65
5.4.90.0000.03316.55
5.4.80.0030.03716.56
5.4.70.0070.03716.53
5.4.60.0030.03716.44
5.4.50.0030.03716.39
5.4.40.0000.04016.62
5.4.30.0030.04016.40
5.4.20.0030.03316.39
5.4.10.0070.02716.47
5.4.00.0000.03715.86
5.3.290.0100.04014.67
5.3.280.0030.06014.71
5.3.270.0030.04014.61
5.3.260.0070.05714.59
5.3.250.0070.04014.61
5.3.240.0070.03014.62
5.3.230.0000.05014.59
5.3.220.0030.03714.58
5.3.210.0030.03714.70
5.3.200.0030.03714.57
5.3.190.0070.03714.71
5.3.180.0030.03714.56
5.3.170.0070.03314.57
5.3.160.0000.04014.64
5.3.150.0030.05014.41
5.3.140.0070.03714.58
5.3.130.0070.04014.67
5.3.120.0000.03314.66
5.3.110.0030.04314.56
5.3.100.0000.03714.07
5.3.90.0070.02714.04
5.3.80.0030.03714.09
5.3.70.0070.02714.02
5.3.60.0000.04014.02
5.3.50.0000.03314.07
5.3.40.0000.03313.95
5.3.30.0000.03314.04
5.3.20.0030.02713.75
5.3.10.0000.03013.70
5.3.00.0070.02713.76
5.2.170.0000.03311.81
5.2.160.0100.01711.81
5.2.150.0000.02711.81
5.2.140.0070.02011.81
5.2.130.0030.02311.81
5.2.120.0100.01711.81
5.2.110.0030.02311.81
5.2.100.0070.02011.81
5.2.90.0070.02011.81
5.2.80.0070.02011.81
5.2.70.0000.03311.81
5.2.60.0000.03711.81
5.2.50.0000.02711.81
5.2.40.0000.02711.81
5.2.30.0000.02711.81
5.2.20.0030.02711.81
5.2.10.0070.02711.81
5.2.00.0000.03011.81
5.1.60.0000.02311.81
5.1.50.0030.02011.81
5.1.40.0030.02011.81
5.1.30.0000.02311.81
5.1.20.0100.01711.81
5.1.10.0000.02311.81
5.1.00.0030.03011.81
5.0.50.0000.02011.81
5.0.40.0000.01711.81
5.0.30.0000.02711.81
5.0.20.0030.01711.81
5.0.10.0000.02311.81
5.0.00.0000.03311.81
4.4.90.0000.01311.81
4.4.80.0070.02011.81
4.4.70.0000.01311.81
4.4.60.0030.01011.81
4.4.50.0030.01311.81
4.4.40.0000.02011.81
4.4.30.0000.01311.81
4.4.20.0000.01311.81
4.4.10.0000.01311.81
4.4.00.0030.01711.81
4.3.110.0030.01311.81
4.3.100.0000.03311.81
4.3.90.0000.02011.81
4.3.80.0000.02311.81
4.3.70.0030.03311.81
4.3.60.0070.02011.81
4.3.50.0000.02711.81
4.3.40.0030.02011.81
4.3.30.0000.01711.81
4.3.20.0030.01311.81
4.3.10.0000.01711.81
4.3.00.0030.01311.81

preferences:
55.64 ms | 400 KiB | 5 Q