3v4l.org

run code in 300+ PHP versions simultaneously
<?php $username = 'asds'; 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)
8.3.40.0110.00419.00
8.3.30.0120.00318.96
8.3.20.0080.00020.34
8.3.10.0080.00022.10
8.3.00.0040.00422.39
8.2.170.0140.00322.96
8.2.160.0140.00019.04
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0140.00426.16
8.2.120.0040.00419.54
8.2.110.0090.00022.27
8.2.100.0090.00318.03
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0080.00018.34
8.2.30.0030.00518.14
8.2.20.0040.00417.66
8.2.10.0050.00317.71
8.2.00.0000.01017.78
8.1.270.0000.00818.62
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0030.00621.19
8.1.230.0040.00717.42
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0090.00017.48
8.1.190.0040.00417.51
8.1.180.0050.00320.48
8.1.170.0040.00418.60
8.1.160.0000.00722.16
8.1.150.0000.00718.79
8.1.140.0050.00317.55
8.1.130.0040.00417.85
8.1.120.0040.00417.62
8.1.110.0100.00017.54
8.1.100.0080.00017.48
8.1.90.0030.00517.64
8.1.80.0000.00717.48
8.1.70.0070.00017.47
8.1.60.0030.00617.75
8.1.50.0040.00417.62
8.1.40.0000.00817.57
8.1.30.0080.00017.73
8.1.20.0040.00417.64
8.1.10.0040.00417.66
8.1.00.0000.00917.61
8.0.300.0030.00518.77
8.0.290.0000.00716.88
8.0.280.0070.00018.46
8.0.270.0030.00317.27
8.0.260.0060.00316.96
8.0.250.0050.00317.00
8.0.240.0030.00616.97
8.0.230.0070.00017.02
8.0.220.0040.00317.02
8.0.210.0080.00016.94
8.0.200.0000.00617.08
8.0.190.0040.00417.10
8.0.180.0040.00417.04
8.0.170.0000.00717.04
8.0.160.0080.00016.90
8.0.150.0000.00716.99
8.0.140.0000.00716.88
8.0.130.0000.00613.48
8.0.120.0040.00417.02
8.0.110.0050.00217.04
8.0.100.0040.00416.87
8.0.90.0000.00816.98
8.0.80.0090.00617.09
8.0.70.0040.00417.06
8.0.60.0000.00717.00
8.0.50.0040.00416.91
8.0.30.0150.00517.23
8.0.20.0100.00817.47
8.0.10.0050.00317.02
8.0.00.0110.01016.97
7.4.330.0000.00515.00
7.4.320.0040.00416.70
7.4.300.0030.00316.66
7.4.290.0030.00616.60
7.4.280.0060.00316.70
7.4.270.0070.00016.68
7.4.260.0000.00716.80
7.4.250.0000.00716.77
7.4.240.0050.00216.82
7.4.230.0030.00316.83
7.4.220.0090.01316.82
7.4.210.0090.00716.80
7.4.200.0030.00316.61
7.4.190.0030.00316.87
7.4.160.0060.01016.79
7.4.150.0100.01017.40
7.4.140.0130.00717.86
7.4.130.0110.00616.59
7.4.120.0110.00616.67
7.4.110.0060.01216.89
7.4.100.0070.01016.48
7.4.90.0130.00316.68
7.4.80.0100.00719.39
7.4.70.0160.00016.50
7.4.60.0130.01016.51
7.4.50.0000.00516.74
7.4.40.0030.01222.77
7.4.30.0090.00616.32
7.4.10.0090.00314.82
7.4.00.0070.01015.26
7.3.330.0000.00513.23
7.3.320.0030.00313.32
7.3.310.0030.00316.49
7.3.300.0070.00016.30
7.3.290.0130.00716.41
7.3.280.0040.01216.50
7.3.270.0100.00717.40
7.3.260.0120.00616.74
7.3.250.0150.00516.57
7.3.240.0030.01316.65
7.3.230.0170.00016.71
7.3.210.0070.01016.54
7.3.200.0070.01019.39
7.3.190.0110.00716.45
7.3.180.0060.01016.51
7.3.170.0090.00616.82
7.3.160.0090.00616.64
7.3.130.0030.01614.80
7.3.120.0090.00814.77
7.3.110.0130.00615.02
7.3.100.0080.00414.90
7.3.90.0070.00715.17
7.3.80.0040.00415.06
7.3.70.0070.00715.00
7.3.60.0000.01014.67
7.3.50.0090.00415.04
7.3.40.0000.01515.01
7.3.30.0040.00414.79
7.3.20.0000.01016.86
7.3.10.0070.01016.83
7.3.00.0090.00616.85
7.2.330.0110.00716.57
7.2.320.0150.00616.68
7.2.310.0160.01316.69
7.2.300.0140.00716.51
7.2.290.0110.00516.44
7.2.260.0150.00415.15
7.2.250.0070.01115.29
7.2.240.0070.01015.20
7.2.230.0070.00715.27
7.2.220.0000.01615.20
7.2.210.0030.01015.12
7.2.200.0040.00815.09
7.2.190.0090.00614.95
7.2.180.0030.01014.95
7.2.170.0030.00614.92
7.2.160.0060.00915.10
7.2.150.0030.00617.03
7.2.140.0070.00317.04
7.2.130.0030.00616.99
7.2.120.0110.00016.73
7.2.110.0140.00016.87
7.2.100.0030.01016.72
7.2.90.0070.00417.09
7.2.80.0080.00416.89
7.2.70.0030.00616.87
7.2.60.0090.00617.01
7.2.50.0040.00916.96
7.2.40.0030.00717.16
7.2.30.0110.00316.82
7.2.20.0000.01117.10
7.2.10.0040.01117.02
7.2.00.0060.00518.14
7.1.330.0070.00715.91
7.1.320.0030.00615.90
7.1.310.0030.00916.04
7.1.300.0030.00915.82
7.1.290.0030.00615.57
7.1.280.0050.00515.86
7.1.270.0090.00615.91
7.1.260.0060.00615.85
7.1.250.0060.00615.93
7.1.240.0000.01115.90
7.1.230.0000.01215.90
7.1.220.0060.00616.09
7.1.210.0030.00915.86
7.1.200.0040.00715.83
7.1.190.0000.01315.85
7.1.180.0040.00815.96
7.1.170.0050.00515.83
7.1.160.0090.00016.10
7.1.150.0120.00015.89
7.1.140.0000.01216.08
7.1.130.0090.00316.10
7.1.120.0000.01115.93
7.1.110.0120.00016.10
7.1.100.0070.00717.15
7.1.90.0000.00915.66
7.1.80.0040.01215.91
7.1.70.0040.00716.49
7.1.60.0050.01417.87
7.1.50.0070.00516.32
7.1.40.0030.00915.74
7.1.30.0000.01315.85
7.1.20.0070.00715.75
7.1.10.0030.00615.83
7.1.00.0040.02219.17
7.0.330.0060.00915.49
7.0.320.0110.00315.46
7.0.310.0030.01015.47
7.0.300.0080.00015.36
7.0.290.0040.00715.54
7.0.280.0000.01515.43
7.0.270.0060.00615.32
7.0.260.0000.01315.65
7.0.250.0050.00515.65
7.0.240.0030.00515.62
7.0.230.0110.00415.62
7.0.220.0040.00815.72
7.0.210.0070.00715.68
7.0.200.0100.00516.17
7.0.190.0000.00915.15
7.0.180.0060.00615.29
7.0.170.0120.00315.63
7.0.160.0040.00415.69
7.0.150.0040.00915.38
7.0.140.0100.03518.78
7.0.130.0060.00615.55
7.0.120.0070.00715.36
7.0.110.0030.01015.55
7.0.100.0000.01215.59
7.0.90.0040.00415.50
7.0.80.0000.00815.61
7.0.70.0000.01315.23
7.0.60.0030.02317.70
7.0.50.0100.03216.67
7.0.40.0070.02416.91
7.0.30.0180.04516.73
7.0.20.0150.04516.91
7.0.10.0190.04016.80
7.0.00.0020.03016.88
5.6.400.0030.00914.39
5.6.390.0000.00913.91
5.6.380.0080.00014.33
5.6.370.0090.00614.32
5.6.360.0030.00714.30
5.6.350.0030.00914.17
5.6.340.0000.00914.44
5.6.330.0100.00714.63
5.6.320.0080.00014.29
5.6.310.0030.01214.32
5.6.300.0090.00314.41
5.6.290.0110.00314.36
5.6.280.0080.03817.86
5.6.270.0070.00714.46
5.6.260.0080.00614.63
5.6.250.0120.00014.69
5.6.240.0000.01314.50
5.6.230.0080.00414.41
5.6.220.0040.00814.30
5.6.210.0070.03017.51
5.6.200.0100.03816.29
5.6.190.0030.04217.56
5.6.180.2050.03017.38
5.6.170.0170.03617.30
5.6.160.0000.02817.22
5.6.150.0040.04416.22
5.6.140.0070.02516.32
5.6.130.0020.04316.25
5.6.120.0040.04917.84
5.6.110.0100.04517.70
5.6.100.0110.03817.68
5.6.90.0120.04117.84
5.6.80.0030.05017.50
5.6.70.0120.01917.39
5.6.60.0130.00714.59
5.6.50.0130.00714.16
5.6.40.0000.00914.45
5.6.30.0030.01014.37
5.6.20.0090.00314.42
5.6.10.0100.00314.19
5.6.00.0040.00814.46
5.5.380.0060.00614.43
5.5.370.0040.00414.45
5.5.360.0080.00814.54
5.5.350.0060.02817.33
5.5.340.0090.02916.17
5.5.330.0050.04717.22
5.5.320.0050.02917.27
5.5.310.0100.03017.38
5.5.300.0060.02016.11
5.5.290.0110.03916.05
5.5.280.0120.03817.45
5.5.270.0050.02317.54
5.5.260.0120.03217.59
5.5.250.0070.03117.42
5.5.240.0090.03317.19
5.5.230.0000.01514.19
5.5.220.0120.00314.17
5.5.210.0030.01014.36
5.5.200.0080.00814.26
5.5.190.0030.01214.09
5.5.180.0060.00614.37
5.5.170.0080.00314.44
5.5.160.0000.01313.98
5.5.150.0060.00614.27
5.5.140.0040.01213.94
5.5.130.0070.00714.02
5.5.120.0090.00614.32
5.5.110.0070.01114.19
5.5.100.0060.00914.20
5.5.90.0090.00614.32
5.5.80.0030.00614.17
5.5.70.0000.01614.46
5.5.60.0080.00814.02
5.5.50.0120.00314.13
5.5.40.0140.00014.25
5.5.30.0040.00714.23
5.5.20.0090.00613.96
5.5.10.0110.00314.14
5.5.00.0130.00014.17
5.4.450.0480.03715.46
5.4.440.0420.03115.27
5.4.430.0300.02315.19
5.4.420.0400.03115.15
5.4.410.0400.02815.10
5.4.400.0300.04214.93
5.4.390.0270.03114.68
5.4.380.0160.03114.74
5.4.370.0120.02514.66
5.4.360.0130.02614.81
5.4.350.0060.03511.33
5.4.340.0060.02611.48
5.4.330.0100.00011.07
5.4.320.0080.02011.74
5.4.310.0060.02111.76
5.4.300.0070.02311.72
5.4.290.0050.02511.69
5.4.280.0090.01811.77
5.4.270.0050.03214.89
5.4.260.0030.03414.93
5.4.250.0030.03114.92
5.4.240.0030.03714.80
5.4.230.0100.03814.74
5.4.220.0070.03914.90
5.4.210.0060.03014.83
5.4.200.0070.03215.00
5.4.190.0080.03114.87
5.4.180.0050.02914.96
5.4.170.0110.03014.79
5.4.160.0090.03415.02
5.4.150.0100.03015.00
5.4.140.0030.03013.67
5.4.130.0070.02813.61
5.4.120.0030.03013.58
5.4.110.0070.02513.78
5.4.100.0030.03213.89
5.4.90.0050.04013.57
5.4.80.0130.03213.58
5.4.70.0070.03813.49
5.4.60.0060.03813.74
5.4.50.0030.04313.75
5.4.40.0060.03213.72
5.4.30.0020.03313.75
5.4.20.0050.03713.69
5.4.10.0050.04013.63
5.4.00.0090.02413.48
5.3.290.0060.02711.69
5.3.280.0090.02712.49
5.3.270.0080.04012.48
5.3.260.0150.02512.59
5.3.250.0080.04012.45
5.3.240.0070.02812.52
5.3.230.0060.03112.49
5.3.220.0030.02912.33
5.3.210.0090.03312.44
5.3.200.0070.03012.54
5.3.190.0070.02812.53
5.3.180.0140.02812.49
5.3.170.0080.02612.48
5.3.160.0050.03212.46
5.3.150.0060.03912.38
5.3.140.0070.03512.47
5.3.130.0050.03912.50
5.3.120.0110.02612.49
5.3.110.0060.02612.59
5.3.100.0100.03512.23
5.3.90.0030.03012.24
5.3.80.0060.03912.02
5.3.70.0040.03212.23
5.3.60.0050.03412.31
5.3.50.0050.03612.10
5.3.40.0030.03712.05
5.3.30.0100.02512.07
5.3.20.0100.03012.18
5.3.10.0080.03011.75
5.3.00.0080.03511.84
5.2.170.0130.04711.14
5.2.160.0100.05011.25
5.2.150.0130.04711.05
5.2.140.0070.04010.98
5.2.130.0030.04710.98
5.2.120.0030.04710.99
5.2.110.0070.04711.02
5.2.100.0030.05711.10
5.2.90.0030.04011.01
5.2.80.0100.04010.97
5.2.70.0230.04311.01
5.2.60.0070.06010.95
5.2.50.0170.04710.87
5.2.40.0000.06010.83
5.2.30.0070.04010.89
5.2.20.0170.04310.91
5.2.10.0130.03011.02
5.2.00.0000.04310.55
5.1.60.0070.0479.76
5.1.50.0100.04010.04
5.1.40.0000.04710.21
5.1.30.0100.03310.23
5.1.20.0030.04310.36
5.1.10.0070.0439.91
5.1.00.0070.05010.21
5.0.50.0000.0308.48
5.0.40.0000.0308.33
5.0.30.0070.0408.24
5.0.20.0100.0208.27
5.0.10.0000.0338.10
5.0.00.0030.0408.34
4.4.90.0000.0237.11
4.4.80.0070.0277.11
4.4.70.0070.0277.11
4.4.60.0070.0207.11
4.4.50.0100.0237.11
4.4.40.0000.0477.11
4.4.30.0000.0407.11
4.4.20.0030.0307.11
4.4.10.0030.0307.11
4.4.00.0030.0477.11
4.3.110.0030.0307.11
4.3.100.0070.0177.11
4.3.90.0030.0207.11
4.3.80.0000.0337.11
4.3.70.0000.0237.11
4.3.60.0000.0207.11
4.3.50.0000.0237.11
4.3.40.0000.0407.11
4.3.30.0000.0307.11
4.3.20.0070.0177.11
4.3.10.0000.0237.11
4.3.00.0130.0306.57

preferences:
42.39 ms | 400 KiB | 5 Q