3v4l.org

run code in 300+ PHP versions simultaneously
<?php $username = 'asd '; 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)
8.3.40.0140.00418.88
8.3.30.0060.00918.92
8.3.20.0040.00420.19
8.3.10.0050.00322.13
8.3.00.0050.00322.51
8.2.170.0100.00722.96
8.2.160.0040.01122.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.38
8.2.110.0030.00620.52
8.2.100.0040.00817.91
8.2.90.0050.00319.40
8.2.80.0000.00817.97
8.2.70.0000.00917.74
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0090.00018.19
8.2.20.0040.00417.91
8.2.10.0070.00017.70
8.2.00.0070.00017.80
8.1.270.0080.00022.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0030.01022.08
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.48
8.1.190.0030.00517.40
8.1.180.0080.00018.61
8.1.170.0030.00618.66
8.1.160.0000.00721.95
8.1.150.0000.00818.73
8.1.140.0000.00817.63
8.1.130.0030.00317.77
8.1.120.0040.00417.57
8.1.110.0000.00817.61
8.1.100.0040.00417.57
8.1.90.0000.00717.68
8.1.80.0040.00417.56
8.1.70.0000.00717.63
8.1.60.0000.00917.73
8.1.50.0030.00617.58
8.1.40.0050.00317.70
8.1.30.0000.00717.79
8.1.20.0040.00417.81
8.1.10.0030.00517.61
8.1.00.0030.00617.60
8.0.300.0080.00018.77
8.0.290.0070.00017.18
8.0.280.0030.00318.46
8.0.270.0040.00417.29
8.0.260.0030.00516.96
8.0.250.0070.00017.14
8.0.240.0040.00417.01
8.0.230.0000.00817.06
8.0.220.0000.00716.90
8.0.210.0040.00417.04
8.0.200.0040.00417.06
8.0.190.0080.00016.99
8.0.180.0000.00817.14
8.0.170.0040.00417.06
8.0.160.0000.00716.96
8.0.150.0000.00716.98
8.0.140.0060.00317.04
8.0.130.0000.00913.42
8.0.120.0080.00016.89
8.0.110.0040.00416.96
8.0.100.0040.00417.15
8.0.90.0040.00416.84
8.0.80.0100.00717.09
8.0.70.0040.00417.05
8.0.60.0050.00217.09
8.0.50.0030.00517.06
8.0.30.0080.01517.30
8.0.20.0090.01017.40
8.0.10.0000.00717.04
8.0.00.0100.00716.82
7.4.330.0020.00215.00
7.4.320.0030.00316.72
7.4.300.0040.00416.76
7.4.290.0000.00816.60
7.4.280.0050.00216.81
7.4.270.0000.00716.71
7.4.260.0040.00416.64
7.4.250.0030.00516.63
7.4.240.0020.00516.80
7.4.230.0000.00716.46
7.4.220.0210.00416.82
7.4.210.0120.00616.75
7.4.200.0000.00716.80
7.4.190.0000.00716.92
7.4.160.0120.00416.54
7.4.150.0110.00717.40
7.4.140.0070.01417.86
7.4.130.0130.00816.74
7.4.120.0120.00416.61
7.4.110.0130.00616.64
7.4.100.0120.00616.54
7.4.90.0070.01016.49
7.4.80.0100.01019.39
7.4.70.0000.01616.64
7.4.60.0090.00916.52
7.4.50.0030.00616.74
7.4.40.0100.00522.77
7.4.30.0130.00316.57
7.4.10.0060.01215.21
7.4.00.0090.00815.13
7.3.330.0060.00313.17
7.3.320.0060.00013.11
7.3.310.0030.00316.11
7.3.300.0000.00616.28
7.3.290.0080.00816.28
7.3.280.0100.00516.29
7.3.270.0070.01017.40
7.3.260.0190.00416.31
7.3.250.0120.01016.44
7.3.240.0080.00816.29
7.3.230.0120.00616.39
7.3.210.0060.01016.27
7.3.200.0060.01219.39
7.3.190.0030.01316.58
7.3.180.0080.00816.54
7.3.170.0000.01516.34
7.3.160.0120.00316.63
7.3.130.0170.00014.83
7.3.120.0070.01014.95
7.3.110.0070.00714.64
7.3.100.0090.00614.93
7.3.90.0000.01614.91
7.3.80.0110.00415.05
7.3.70.0030.00714.86
7.3.60.0080.00414.79
7.3.50.0030.00914.95
7.3.40.0090.00014.93
7.3.30.0040.00414.95
7.3.20.0040.01416.83
7.3.10.0070.00716.80
7.3.00.0090.00616.80
7.2.330.0100.01316.73
7.2.320.0130.01016.58
7.2.310.0180.00616.45
7.2.300.0090.00916.64
7.2.290.0030.01316.79
7.2.260.0090.00914.80
7.2.250.0070.01315.16
7.2.240.0000.01215.23
7.2.230.0100.01015.16
7.2.220.0080.01114.85
7.2.210.0050.00814.85
7.2.200.0040.01115.22
7.2.190.0100.00614.88
7.2.180.0060.00915.00
7.2.170.0000.00915.21
7.2.160.0090.00614.97
7.2.150.0100.00316.73
7.2.140.0100.00716.94
7.2.130.0060.01016.96
7.2.120.0120.00317.02
7.2.110.0030.01016.94
7.2.100.0090.00917.03
7.2.90.0060.01017.09
7.2.80.0070.01016.77
7.2.70.0050.00517.10
7.2.60.0050.01116.88
7.2.50.0060.00916.91
7.2.40.0000.01516.88
7.2.30.0060.00617.06
7.2.20.0070.00316.85
7.2.10.0070.00317.14
7.2.00.0020.01318.16
7.1.330.0030.00916.07
7.1.320.0130.00616.07
7.1.310.0040.00816.02
7.1.300.0000.01115.95
7.1.290.0060.00615.76
7.1.280.0030.01015.91
7.1.270.0060.00915.91
7.1.260.0070.00615.72
7.1.250.0040.01115.94
7.1.240.0030.00615.68
7.1.230.0060.00615.89
7.1.220.0170.00016.01
7.1.210.0030.01015.85
7.1.200.0080.00715.87
7.1.190.0000.01315.78
7.1.180.0030.01015.86
7.1.170.0060.00815.93
7.1.160.0070.00715.81
7.1.150.0030.01215.79
7.1.140.0030.00715.90
7.1.130.0070.00715.88
7.1.120.0030.01015.66
7.1.110.0060.00316.07
7.1.100.0090.00615.93
7.1.90.0040.00715.56
7.1.80.0030.00615.89
7.1.70.0000.00916.55
7.1.60.0120.00216.57
7.1.50.0070.00816.51
7.1.40.0000.01215.95
7.1.30.0130.00015.54
7.1.20.0120.00015.91
7.1.10.0070.00715.75
7.1.00.0050.04019.25
7.0.330.0060.00615.70
7.0.320.0000.01415.56
7.0.310.0100.00615.49
7.0.300.0050.00315.54
7.0.290.0100.00315.57
7.0.280.0080.00415.35
7.0.270.0080.00315.49
7.0.260.0100.00315.65
7.0.250.0090.00015.70
7.0.240.0050.00815.41
7.0.230.0000.00915.55
7.0.220.0000.00815.51
7.0.210.0060.00915.69
7.0.200.0020.01316.21
7.0.190.0030.00615.43
7.0.180.0120.00015.29
7.0.170.0030.01315.57
7.0.160.0000.01215.57
7.0.150.0070.00415.52
7.0.140.0090.03718.90
7.0.130.0070.00715.58
7.0.120.0060.00915.44
7.0.110.0040.00815.47
7.0.100.0070.00715.51
7.0.90.0000.01015.43
7.0.80.0030.00915.45
7.0.70.0070.00415.72
7.0.60.0050.04517.82
7.0.50.0070.03316.65
7.0.40.0080.04516.89
7.0.30.0270.03816.92
7.0.20.0170.04016.74
7.0.10.0050.04716.91
7.0.00.0040.02616.80
5.6.400.0030.00613.94
5.6.390.0110.00414.11
5.6.380.0030.01414.53
5.6.370.0100.00314.10
5.6.360.0060.00614.30
5.6.350.0110.00314.49
5.6.340.0040.01114.26
5.6.330.0000.01314.63
5.6.320.0090.00614.59
5.6.310.0080.00614.14
5.6.300.0030.01514.47
5.6.290.0070.00714.43
5.6.280.0030.04017.88
5.6.270.0040.01114.41
5.6.260.0030.00714.38
5.6.250.0030.00914.69
5.6.240.0000.00814.51
5.6.230.0030.00614.52
5.6.220.0040.00714.64
5.6.210.0130.03317.54
5.6.200.0080.04116.35
5.6.190.0090.02517.39
5.6.180.0200.04017.51
5.6.170.0250.02817.38
5.6.160.0100.04317.31
5.6.150.0050.04716.27
5.6.140.0080.04316.32
5.6.130.0080.04316.21
5.6.120.0070.03117.62
5.6.110.0060.04417.71
5.6.100.0170.03517.90
5.6.90.0090.04317.74
5.6.80.0050.02717.29
5.6.70.2250.02517.38
5.6.60.0070.00814.33
5.6.50.0030.00814.51
5.6.40.0000.01714.24
5.6.30.0030.00714.45
5.6.20.0000.01214.30
5.6.10.0080.00814.14
5.6.00.0000.01514.37
5.5.380.0030.01214.37
5.5.370.0040.00714.45
5.5.360.0000.01314.55
5.5.350.0070.04817.41
5.5.340.0080.04516.05
5.5.330.0050.04717.18
5.5.320.0150.04217.45
5.5.310.0100.03017.38
5.5.300.0080.02716.26
5.5.290.0070.04116.21
5.5.280.0050.04617.61
5.5.270.0070.03217.50
5.5.260.0050.02617.55
5.5.250.0050.02417.44
5.5.240.0120.03817.23
5.5.230.0070.00714.35
5.5.220.0030.01014.20
5.5.210.0030.01014.19
5.5.200.0000.01514.30
5.5.190.0000.01514.14
5.5.180.0090.00613.99
5.5.170.0110.00614.18
5.5.160.0030.01314.23
5.5.150.0030.00714.30
5.5.140.0090.00314.20
5.5.130.0040.00413.95
5.5.120.0070.00714.18
5.5.110.0060.00614.02
5.5.100.0070.01014.29
5.5.90.0070.00313.97
5.5.80.0040.00714.05
5.5.70.0070.01014.14
5.5.60.0030.01114.02
5.5.50.0040.00714.13
5.5.40.0060.00914.22
5.5.30.0080.00314.25
5.5.20.0040.00414.32
5.5.10.0120.00314.30
5.5.00.0070.00314.00
5.4.450.0260.03515.30
5.4.440.0360.03415.36
5.4.430.0080.02715.40
5.4.420.0030.03515.36
5.4.410.0060.02815.41
5.4.400.0440.00015.15
5.4.390.0640.00315.04
5.4.380.0130.02815.06
5.4.370.0110.02914.97
5.4.360.0200.02314.97
5.4.350.0130.03015.07
5.4.340.0070.03015.09
5.4.330.0040.01111.47
5.4.320.0090.02311.96
5.4.310.0060.01911.96
5.4.300.0050.02011.96
5.4.290.0020.02311.96
5.4.280.0060.02011.91
5.4.270.0030.04315.13
5.4.260.0050.03315.20
5.4.250.0070.04015.08
5.4.240.0080.02515.18
5.4.230.0080.02815.18
5.4.220.0130.03215.10
5.4.210.0060.03815.20
5.4.200.0100.02515.17
5.4.190.0070.03015.13
5.4.180.0100.02715.19
5.4.170.0110.02615.25
5.4.160.0080.03315.10
5.4.150.0070.03015.09
5.4.140.0110.02513.88
5.4.130.0050.03113.88
5.4.120.0070.03213.87
5.4.110.0050.03014.00
5.4.100.0060.03813.95
5.4.90.0050.03213.93
5.4.80.0110.03013.97
5.4.70.0020.04213.84
5.4.60.0070.02913.97
5.4.50.0080.02313.85
5.4.40.0040.03113.94
5.4.30.0140.02013.97
5.4.20.0070.03213.96
5.4.10.0060.03613.85
5.4.00.0050.02613.58
5.3.290.0020.02712.14
5.3.280.0150.02513.03
5.3.270.0070.04013.11
5.3.260.0030.03313.04
5.3.250.0020.03713.00
5.3.240.0100.02513.04
5.3.230.0030.02813.04
5.3.220.0070.03413.02
5.3.210.0020.03512.95
5.3.200.0050.02713.02
5.3.190.0070.02813.02
5.3.180.0080.02312.94
5.3.170.0050.04012.96
5.3.160.0050.02913.03
5.3.150.0080.02813.06
5.3.140.0030.03712.94
5.3.130.0100.04113.02
5.3.120.0080.02713.05
5.3.110.0070.02812.95
5.3.100.0080.02712.83
5.3.90.0030.03112.75
5.3.80.0100.02312.75
5.3.70.0130.03012.68
5.3.60.0030.02912.69
5.3.50.0060.02812.71
5.3.40.0080.03312.71
5.3.30.0050.03712.69
5.3.20.0100.03312.59
5.3.10.0030.03012.60
5.3.00.0030.03012.44
5.2.170.0070.06011.07
5.2.160.0130.05011.14
5.2.150.0100.04711.04
5.2.140.0000.05011.05
5.2.130.0230.04011.10
5.2.120.0070.03711.02
5.2.110.0100.05311.10
5.2.100.0100.03310.98
5.2.90.0070.03711.20
5.2.80.0170.03711.10
5.2.70.0030.06011.10
5.2.60.0070.05310.80
5.2.50.0070.05710.90
5.2.40.0030.04010.99
5.2.30.0030.04010.91
5.2.20.0070.04711.06
5.2.10.0030.05310.93
5.2.00.0100.05010.93
5.1.60.0100.04310.08
5.1.50.0030.04710.05
5.1.40.0030.03310.07
5.1.30.0030.05010.23
5.1.20.0100.03010.51
5.1.10.0130.02710.13
5.1.00.0070.03710.13
5.0.50.0100.0278.78
5.0.40.0030.0378.45
5.0.30.0100.0438.11
5.0.20.0070.0338.28
5.0.10.0100.0308.31
5.0.00.0030.0408.19
4.4.90.0000.0237.07
4.4.80.0100.0177.07
4.4.70.0000.0237.07
4.4.60.0070.0177.07
4.4.50.0030.0207.07
4.4.40.0100.0377.07
4.4.30.0030.0277.07
4.4.20.0000.0237.07
4.4.10.0030.0207.07
4.4.00.0000.0477.07
4.3.110.0030.0207.07
4.3.100.0100.0207.07
4.3.90.0070.0237.07
4.3.80.0070.0277.07
4.3.70.0030.0307.07
4.3.60.0070.0177.07
4.3.50.0070.0207.07
4.3.40.0030.0307.07
4.3.30.0030.0277.07
4.3.20.0000.0237.07
4.3.10.0000.0237.07
4.3.00.0000.0237.39

preferences:
42.95 ms | 400 KiB | 5 Q