3v4l.org

run code in 300+ PHP versions simultaneously
<?php $username = ' '; if (preg_match('/[^a-z_\-0-9]/i', $username) || strlen($username) < 4 || strlen($username) > 14) { echo 'empty'; }else{ echo 'no empty';}

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)
8.3.60.0100.00718.24
8.3.50.0100.00722.05
8.3.40.0140.00018.72
8.3.30.0090.00919.09
8.3.20.0050.00320.21
8.3.10.0080.00022.04
8.3.00.0080.00022.34
8.2.180.0110.00416.63
8.2.170.0090.00622.96
8.2.160.0030.01022.20
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00420.75
8.2.110.0060.00322.01
8.2.100.0060.00619.39
8.2.90.0080.00019.22
8.2.80.0080.00018.04
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0000.00918.22
8.2.30.0030.00817.97
8.2.20.0000.00817.88
8.2.10.0000.00717.74
8.2.00.0020.00517.88
8.1.280.0110.00325.92
8.1.270.0030.00522.06
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0080.00023.75
8.1.230.0070.00319.13
8.1.220.0070.00017.74
8.1.210.0000.00918.77
8.1.200.0030.00617.47
8.1.190.0040.00417.40
8.1.180.0040.00418.57
8.1.170.0000.00818.85
8.1.160.0000.00722.02
8.1.150.0050.00218.89
8.1.140.0030.00517.47
8.1.130.0060.00317.59
8.1.120.0040.00417.49
8.1.110.0000.00717.58
8.1.100.0000.00717.64
8.1.90.0000.00717.53
8.1.80.0040.00417.66
8.1.70.0030.00317.54
8.1.60.0040.00417.69
8.1.50.0040.00417.63
8.1.40.0080.00017.57
8.1.30.0000.00817.82
8.1.20.0000.00817.77
8.1.10.0040.00417.69
8.1.00.0000.00817.62
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0000.00818.38
8.0.270.0000.00717.21
8.0.260.0040.00417.00
8.0.250.0070.00017.08
8.0.240.0000.00817.09
8.0.230.0050.00317.07
8.0.220.0000.00717.05
8.0.210.0050.00317.00
8.0.200.0000.00717.07
8.0.190.0000.00817.07
8.0.180.0040.00417.01
8.0.170.0040.00417.04
8.0.160.0040.00417.00
8.0.150.0030.00617.00
8.0.140.0030.00616.88
8.0.130.0080.00313.52
8.0.120.0030.00716.95
8.0.110.0040.00417.09
8.0.100.0050.00217.08
8.0.90.0040.00416.82
8.0.80.0130.00616.96
8.0.70.0040.00417.07
8.0.60.0000.00817.02
8.0.50.0040.00416.81
8.0.30.0090.01417.06
8.0.20.0120.00617.45
8.0.10.0080.00017.02
8.0.00.0060.01516.87
7.4.330.0000.00515.10
7.4.320.0030.00316.76
7.4.300.0030.00316.57
7.4.290.0000.00716.80
7.4.280.0000.00816.71
7.4.270.0000.00816.71
7.4.260.0000.00716.85
7.4.250.0000.00716.78
7.4.240.0030.00316.73
7.4.230.0000.00716.88
7.4.220.0220.00316.74
7.4.210.0090.00916.83
7.4.200.0000.00716.59
7.4.190.0070.00016.63
7.4.160.0090.00916.55
7.4.150.0060.01117.40
7.4.140.0090.01117.86
7.4.130.0130.00816.75
7.4.120.0090.00816.69
7.4.110.0100.00716.80
7.4.100.0150.00616.86
7.4.90.0120.00416.71
7.4.80.0090.00919.39
7.4.70.0030.01316.74
7.4.60.0100.00616.60
7.4.50.0030.00516.75
7.4.40.0090.00922.77
7.4.30.0030.01316.73
7.4.10.0030.01415.05
7.4.00.0020.01315.13
7.3.330.0040.00413.13
7.3.320.0000.00513.13
7.3.310.0040.00416.13
7.3.300.0030.00316.13
7.3.290.0040.00916.25
7.3.280.0040.01116.31
7.3.270.0090.00917.40
7.3.260.0070.01616.30
7.3.250.0130.00516.52
7.3.240.0030.01516.60
7.3.230.0080.00816.43
7.3.210.0060.01016.58
7.3.200.0150.00319.39
7.3.190.0070.01416.28
7.3.180.0030.01216.34
7.3.170.0120.00316.32
7.3.160.0100.00716.74
7.3.130.0060.00914.61
7.3.120.0110.00515.04
7.3.110.0040.01114.91
7.3.100.0030.01014.72
7.3.90.0000.00915.03
7.3.80.0080.00414.77
7.3.70.0030.01214.88
7.3.60.0080.00414.86
7.3.50.0140.00014.75
7.3.40.0070.00714.81
7.3.30.0070.00714.84
7.3.20.0090.00316.89
7.3.10.0030.01416.48
7.3.00.0060.00916.70
7.2.330.0180.00616.68
7.2.320.0070.01116.59
7.2.310.0100.01216.67
7.2.300.0150.00816.61
7.2.290.0140.00316.73
7.2.260.0000.01815.24
7.2.250.0040.01115.18
7.2.240.0000.01415.01
7.2.230.0000.01415.09
7.2.220.0100.00314.80
7.2.210.0060.00315.00
7.2.200.0070.00714.97
7.2.190.0060.01015.06
7.2.180.0000.01415.11
7.2.170.0030.01015.04
7.2.160.0060.00615.04
7.2.150.0040.00716.65
7.2.140.0060.00616.98
7.2.130.0070.01016.96
7.2.120.0060.00617.08
7.2.110.0040.00716.99
7.2.100.0060.00616.63
7.2.90.0060.00916.82
7.2.80.0030.00717.04
7.2.70.0030.00917.07
7.2.60.0080.00516.86
7.2.50.0000.01016.87
7.2.40.0040.01416.93
7.2.30.0040.01117.18
7.2.20.0000.01616.94
7.2.10.0090.00916.93
7.2.00.0020.01317.93
7.1.330.0060.01015.89
7.1.320.0070.00716.03
7.1.310.0000.01415.76
7.1.300.0040.01116.03
7.1.290.0070.00315.66
7.1.280.0090.00315.75
7.1.270.0040.00415.77
7.1.260.0030.00916.07
7.1.250.0040.00415.74
7.1.240.0000.01015.64
7.1.230.0060.00315.79
7.1.220.0050.00516.01
7.1.210.0000.01115.68
7.1.200.0050.00515.82
7.1.190.0060.00616.03
7.1.180.0070.00715.95
7.1.170.0060.01015.86
7.1.160.0090.00916.01
7.1.150.0030.01015.65
7.1.140.0030.01316.01
7.1.130.0080.00715.86
7.1.120.0030.01015.76
7.1.110.0090.00315.88
7.1.100.0030.01116.03
7.1.90.0070.00416.05
7.1.80.0060.00315.93
7.1.70.0020.01016.65
7.1.60.0060.00616.66
7.1.50.0050.01316.50
7.1.40.0070.00715.85
7.1.30.0080.00815.69
7.1.20.0100.00715.64
7.1.10.0100.00315.77
7.1.00.0080.04019.11
7.0.330.0000.01015.32
7.0.320.0040.00415.37
7.0.310.0030.00915.27
7.0.300.0030.00915.58
7.0.290.0000.01315.40
7.0.280.0060.00315.45
7.0.270.0030.00715.48
7.0.260.0060.00315.52
7.0.250.0120.00315.50
7.0.240.0000.01515.41
7.0.230.0030.00915.77
7.0.220.0060.00615.55
7.0.210.0000.01015.39
7.0.200.0070.01016.04
7.0.190.0100.00615.65
7.0.180.0030.01415.39
7.0.170.0090.00315.68
7.0.160.0030.00615.50
7.0.150.0080.00815.45
7.0.140.0050.04118.75
7.0.130.0120.00315.60
7.0.120.0130.00615.52
7.0.110.0030.01715.48
7.0.100.0100.00315.57
7.0.90.0060.00915.63
7.0.80.0000.01415.72
7.0.70.0030.00615.27
7.0.60.0050.02517.78
7.0.50.0090.04216.74
7.0.40.0070.03516.75
7.0.30.0170.04717.01
7.0.20.0180.02816.87
7.0.10.0130.03816.87
7.0.00.0080.03516.82
5.6.400.0090.00314.32
5.6.390.0030.00614.39
5.6.380.0080.00014.23
5.6.370.0070.00314.38
5.6.360.0000.01014.63
5.6.350.0060.01214.30
5.6.340.0030.01313.98
5.6.330.0030.01014.53
5.6.320.0070.00314.30
5.6.310.0130.00014.58
5.6.300.0000.01114.43
5.6.290.0070.00714.13
5.6.280.0070.03817.62
5.6.270.0100.00314.41
5.6.260.0060.00914.24
5.6.250.0110.00414.23
5.6.240.0110.00014.32
5.6.230.0070.00714.30
5.6.220.0070.00714.24
5.6.210.0100.02317.45
5.6.200.0120.03016.19
5.6.190.0000.04917.57
5.6.180.2120.02517.38
5.6.170.0170.03517.36
5.6.160.0030.02517.41
5.6.150.0050.03416.16
5.6.140.0050.02316.26
5.6.130.0100.03216.12
5.6.120.0120.04317.61
5.6.110.0150.03817.78
5.6.100.0050.04017.62
5.6.90.0080.04717.64
5.6.80.0070.03817.37
5.6.70.0170.04017.36
5.6.60.0060.00914.28
5.6.50.0040.01114.37
5.6.40.0070.00714.05
5.6.30.0040.00714.31
5.6.20.0030.01414.14
5.6.10.0040.00414.24
5.6.00.0030.01014.18
5.5.380.0090.00614.40
5.5.370.0080.00414.53
5.5.360.0000.01314.04
5.5.350.0030.04017.21
5.5.340.0050.04516.06
5.5.330.0080.02517.24
5.5.320.0150.04017.22
5.5.310.0150.02317.18
5.5.300.0050.02516.19
5.5.290.0080.04716.08
5.5.280.0110.01817.49
5.5.270.0170.01517.55
5.5.260.0080.02017.55
5.5.250.0050.04817.46
5.5.240.0080.04117.00
5.5.230.0000.01414.10
5.5.220.0030.01213.91
5.5.210.0030.00714.34
5.5.200.0060.00314.36
5.5.190.0000.01014.09
5.5.180.0070.00714.05
5.5.170.0000.00914.29
5.5.160.0090.00314.29
5.5.150.0120.00314.05
5.5.140.0000.01114.27
5.5.130.0100.00614.41
5.5.120.0030.00913.85
5.5.110.0110.00014.07
5.5.100.0090.00314.37
5.5.90.0000.01514.32
5.5.80.0120.00314.26
5.5.70.0070.00714.09
5.5.60.0000.01013.95
5.5.50.0030.01014.04
5.5.40.0100.00314.32
5.5.30.0070.00713.84
5.5.20.0100.00714.01
5.5.10.0060.00314.26
5.5.00.0040.00814.00
5.4.450.0360.02516.07
5.4.440.0280.03016.13
5.4.430.0070.03316.02
5.4.420.0120.02516.04
5.4.410.0100.02816.04
5.4.400.0450.00215.74
5.4.390.0380.00615.64
5.4.380.0190.02515.66
5.4.370.0050.03215.72
5.4.360.0080.02815.58
5.4.350.0110.02615.64
5.4.340.0120.03515.66
5.4.330.0000.00612.72
5.4.320.0050.01912.59
5.4.310.0040.02212.58
5.4.300.0020.02512.59
5.4.290.0040.02512.58
5.4.280.0060.02012.53
5.4.270.0130.02315.85
5.4.260.0110.02515.83
5.4.250.0070.02815.78
5.4.240.0100.02715.74
5.4.230.0100.03715.87
5.4.220.0080.03415.76
5.4.210.0130.02515.85
5.4.200.0100.02715.86
5.4.190.0130.03515.77
5.4.180.0090.02515.72
5.4.170.0100.02815.79
5.4.160.0030.03315.77
5.4.150.0070.03115.87
5.4.140.0120.03314.48
5.4.130.0060.02314.48
5.4.120.0100.02514.57
5.4.110.0090.03614.49
5.4.100.0050.02714.61
5.4.90.0040.04014.53
5.4.80.0080.02614.54
5.4.70.0030.03314.48
5.4.60.0110.02314.60
5.4.50.0070.03814.49
5.4.40.0080.03814.55
5.4.30.0070.02514.52
5.4.20.0080.02814.61
5.4.10.0050.03314.61
5.4.00.0060.03614.19
5.3.290.0070.02212.76
5.3.280.0120.02713.66
5.3.270.0050.03613.62
5.3.260.0100.02713.58
5.3.250.0090.03513.66
5.3.240.0100.02213.67
5.3.230.0020.04213.65
5.3.220.0070.02913.56
5.3.210.0030.03713.67
5.3.200.0080.03313.65
5.3.190.0060.02813.64
5.3.180.0100.03513.65
5.3.170.0070.02813.58
5.3.160.0050.03313.53
5.3.150.0070.04013.56
5.3.140.0090.02713.59
5.3.130.0080.02813.63
5.3.120.0080.02713.63
5.3.110.0110.02313.71
5.3.100.0070.02613.39
5.3.90.0080.03213.37
5.3.80.0080.03413.38
5.3.70.0070.03613.34
5.3.60.0080.03713.29
5.3.50.0080.02313.35
5.3.40.0030.03013.34
5.3.30.0080.02713.25
5.3.20.0100.02313.17
5.3.10.0070.03513.15
5.3.00.0100.02813.06
5.2.170.0070.04010.90
5.2.160.0070.03711.13
5.2.150.0070.04311.29
5.2.140.0070.05711.13
5.2.130.0130.03711.04
5.2.120.0000.04711.02
5.2.110.0030.04011.00
5.2.100.0100.04311.18
5.2.90.0100.04011.11
5.2.80.0070.04011.01
5.2.70.0070.03711.02
5.2.60.0100.05711.16
5.2.50.0130.05011.17
5.2.40.0100.04011.00
5.2.30.0070.05710.91
5.2.20.0070.05010.84
5.2.10.0170.04010.91
5.2.00.0130.04710.55
5.1.60.0070.03710.05
5.1.50.0070.04710.02
5.1.40.0000.0479.86
5.1.30.0100.03310.39
5.1.20.0100.04310.35
5.1.10.0100.03010.09
5.1.00.0030.03310.14
5.0.50.0130.0238.46
5.0.40.0000.0438.49
5.0.30.0030.0478.25
5.0.20.0070.0238.17
5.0.10.0100.0308.35
5.0.00.0070.0508.23
4.4.90.0030.0207.07
4.4.80.0100.0137.07
4.4.70.0000.0307.07
4.4.60.0030.0237.07
4.4.50.0000.0237.07
4.4.40.0070.0307.07
4.4.30.0070.0277.07
4.4.20.0070.0277.07
4.4.10.0030.0237.07
4.4.00.0030.0477.07
4.3.110.0030.0237.07
4.3.100.0070.0237.07
4.3.90.0030.0237.07
4.3.80.0100.0307.07
4.3.70.0000.0277.07
4.3.60.0030.0277.07
4.3.50.0070.0277.07
4.3.40.0030.0307.07
4.3.30.0030.0207.07
4.3.20.0000.0237.07
4.3.10.0000.0237.07
4.3.00.0000.0307.77

preferences:
42.06 ms | 401 KiB | 5 Q