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)
8.3.60.0140.00718.40
8.3.50.0100.00922.03
8.3.40.0110.00418.84
8.3.30.0040.01118.96
8.3.20.0050.00320.38
8.3.10.0000.00722.14
8.3.00.0080.00022.44
8.2.180.0180.00016.63
8.2.170.0110.00422.96
8.2.160.0070.01321.32
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0090.00019.38
8.2.110.0110.00022.23
8.2.100.0040.00817.84
8.2.90.0040.00419.05
8.2.80.0040.00418.04
8.2.70.0000.00917.75
8.2.60.0080.00018.05
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0000.00718.07
8.2.20.0040.00417.71
8.2.10.0000.00819.60
8.2.00.0000.00717.79
8.1.280.0100.00725.92
8.1.270.0000.00822.05
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00323.88
8.1.230.0100.00719.16
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.01017.48
8.1.190.0050.00317.29
8.1.180.0000.00818.72
8.1.170.0030.00618.75
8.1.160.0040.00421.95
8.1.150.0030.00518.73
8.1.140.0040.00417.60
8.1.130.0000.00717.74
8.1.120.0040.00417.60
8.1.110.0040.00317.64
8.1.100.0000.00817.49
8.1.90.0000.00717.59
8.1.80.0020.00517.50
8.1.70.0030.00317.50
8.1.60.0040.00417.74
8.1.50.0040.00417.71
8.1.40.0040.00417.70
8.1.30.0080.00017.75
8.1.20.0000.00817.82
8.1.10.0000.00717.66
8.1.00.0000.00917.48
8.0.300.0050.00318.77
8.0.290.0070.00017.18
8.0.280.0040.00418.55
8.0.270.0000.00717.34
8.0.260.0000.00716.96
8.0.250.0000.00717.20
8.0.240.0000.00817.11
8.0.230.0030.00516.99
8.0.220.0040.00416.97
8.0.210.0030.00317.04
8.0.200.0030.00317.10
8.0.190.0030.00617.02
8.0.180.0080.00017.07
8.0.170.0040.00417.04
8.0.160.0040.00416.93
8.0.150.0040.00416.91
8.0.140.0050.00316.86
8.0.130.0000.00513.47
8.0.120.0000.00817.00
8.0.110.0040.00416.99
8.0.100.0030.00516.98
8.0.90.0040.00417.08
8.0.80.0140.00316.99
8.0.70.0070.00016.90
8.0.60.0000.00716.97
8.0.50.0080.00017.08
8.0.30.0110.01117.32
8.0.20.0130.00817.44
8.0.10.0030.00517.05
8.0.00.0050.01316.79
7.4.330.0050.00015.02
7.4.320.0000.00716.73
7.4.300.0050.00316.79
7.4.290.0000.00816.70
7.4.280.0000.00716.81
7.4.270.0020.00516.76
7.4.260.0070.00316.68
7.4.250.0040.00416.70
7.4.240.0020.00616.77
7.4.230.0000.00716.88
7.4.220.0090.01516.84
7.4.210.0080.00816.75
7.4.200.0000.00716.90
7.4.190.0040.00316.85
7.4.160.0120.00916.71
7.4.150.0090.00917.40
7.4.140.0140.01717.86
7.4.130.0140.01616.57
7.4.120.0130.00316.67
7.4.110.0170.00016.82
7.4.100.0130.00616.70
7.4.90.0130.00316.56
7.4.80.0120.00919.39
7.4.70.0130.00316.76
7.4.60.0030.01416.58
7.4.50.0000.00416.62
7.4.40.0150.00322.77
7.4.30.0130.00316.81
7.4.00.0070.01015.32
7.3.330.0000.00513.19
7.3.320.0050.00013.02
7.3.310.0040.00416.13
7.3.300.0000.00616.27
7.3.290.0120.00316.34
7.3.280.0090.00916.27
7.3.270.0100.00717.40
7.3.260.0080.01116.82
7.3.250.0130.00616.46
7.3.240.0130.00616.69
7.3.230.0110.00616.56
7.3.210.0060.01116.61
7.3.200.0150.00319.39
7.3.190.0070.01016.41
7.3.180.0080.00816.39
7.3.170.0070.01016.72
7.3.160.0060.01016.64
7.3.120.0070.00714.94
7.3.10.0060.00816.58
7.3.00.0200.00416.84
7.2.330.0060.01216.73
7.2.320.0100.01016.67
7.2.310.0060.01116.65
7.2.300.0110.00716.47
7.2.290.0140.00716.63
7.2.130.0130.00616.74
7.2.120.0090.00416.55
7.2.110.0090.00516.83
7.2.100.0070.01016.66
7.2.90.0080.00916.75
7.2.80.0080.01016.83
7.2.70.0110.01216.82
7.2.60.0070.00716.97
7.2.50.0130.00816.93
7.2.40.0080.00916.91
7.2.30.0070.01016.80
7.2.20.0070.00916.75
7.2.10.0070.00816.70
7.2.00.0080.00516.90
7.1.250.0150.00615.78
7.1.240.0000.01115.59
7.1.230.0040.00715.82
7.1.220.0070.00415.98
7.1.210.0070.00716.00
7.1.200.0030.01015.63
7.1.190.0030.00715.58
7.1.180.0030.01015.82
7.1.170.0090.00615.81
7.1.160.0030.01015.85
7.1.150.0030.01315.93
7.1.140.0060.00615.93
7.1.130.0080.00015.93
7.1.120.0040.01115.65
7.1.110.0060.00715.81
7.1.100.0030.00615.92
7.1.90.0080.00315.83
7.1.80.0060.00615.76
7.1.70.0040.00516.68
7.1.60.0120.00717.74
7.1.50.0050.00916.41
7.1.40.0000.01116.05
7.1.30.0030.00615.72
7.1.20.0040.00515.92
7.1.10.0030.00615.68
7.1.00.0050.04018.99
7.0.330.0030.00915.66
7.0.320.0030.01015.23
7.0.310.0000.00715.45
7.0.300.0000.00815.63
7.0.290.0030.00615.34
7.0.280.0090.00615.51
7.0.270.0040.00715.64
7.0.260.0030.00915.63
7.0.250.0070.00715.68
7.0.240.0040.00715.60
7.0.230.0000.00715.66
7.0.220.0040.00715.47
7.0.210.0070.00715.22
7.0.200.0060.00916.18
7.0.190.0070.00715.64
7.0.180.0040.00915.61
7.0.170.0030.01015.67
7.0.160.0000.00915.30
7.0.150.0040.00415.54
7.0.140.0050.03718.60
7.0.130.0070.00315.45
7.0.120.0030.00615.67
7.0.110.0280.02317.73
7.0.100.0080.02017.73
7.0.90.0100.02217.72
7.0.80.0090.02017.85
7.0.70.0060.01817.75
7.0.60.0100.02117.79
7.0.50.0200.02217.86
7.0.40.0030.02916.48
7.0.30.0030.02416.54
7.0.20.0010.02616.65
7.0.10.0060.01916.70
7.0.00.0070.02816.64
5.6.380.0040.00714.29
5.6.370.0070.00314.19
5.6.360.0060.00914.21
5.6.350.0120.00014.26
5.6.340.0000.01114.34
5.6.330.0090.00314.52
5.6.320.0040.00814.44
5.6.310.0030.00714.55
5.6.300.0030.01014.41
5.6.290.0080.00014.38
5.6.280.0080.03617.80
5.6.270.0130.00014.54
5.6.260.0070.02017.57
5.6.250.0020.02717.44
5.6.240.0020.02317.50
5.6.230.0060.02017.44
5.6.220.0000.02517.41
5.6.210.0070.01817.49
5.6.200.0050.02117.49
5.6.190.0100.01717.41
5.6.180.0070.04217.51
5.6.170.0030.02717.43
5.6.160.0050.02117.49
5.6.150.0080.02217.54
5.6.140.0040.02117.51
5.6.130.0030.02317.52
5.6.120.0070.02217.54
5.6.110.0040.02617.58
5.6.100.0040.04117.45
5.6.90.0050.03217.54
5.6.80.0040.02417.17
5.6.70.0030.01917.05
5.6.60.0110.01817.05
5.6.50.0080.01817.33
5.6.40.0020.02817.02
5.6.30.0050.02117.18
5.6.20.0030.02317.02
5.6.10.0020.03917.19
5.6.00.0070.02017.13
5.5.380.0070.02414.25
5.5.370.0020.02114.21
5.5.360.0050.02014.40
5.5.350.0050.01614.35
5.5.340.0070.01714.71
5.5.330.0030.02014.42
5.5.320.0080.02114.30
5.5.310.0030.02314.47
5.5.300.0080.01714.56
5.5.290.0030.02314.63
5.5.280.0030.02414.62
5.5.270.0020.02314.27
5.5.260.0050.03414.53
5.5.250.0080.03814.31
5.5.240.0030.02414.09
5.5.230.0050.02814.28
5.5.220.0020.02314.00
5.5.210.0050.01914.26
5.5.200.0050.02114.19
5.5.190.0040.02314.29
5.5.180.0030.04313.98
5.5.170.0040.00411.05
5.5.160.0020.03714.10
5.5.150.0000.02314.10
5.5.140.0070.03813.97
5.5.130.0020.02714.10
5.5.120.0050.04214.23
5.5.110.0060.02413.97
5.5.100.0030.02214.35
5.5.90.0050.02313.84
5.5.80.0070.03514.12
5.5.70.0050.02814.10
5.5.60.0020.03314.22
5.5.50.0100.02814.03
5.5.40.0030.02214.08
5.5.30.0070.04114.20
5.5.20.0050.02014.15
5.5.10.0050.03714.13
5.5.00.0030.02314.29
5.4.450.0070.04215.08
5.4.440.0040.03215.13
5.4.430.0090.03015.11
5.4.420.0040.03115.12
5.4.410.0030.02814.93
5.4.400.0050.02015.07
5.4.390.0030.04314.98
5.4.380.0050.02314.95
5.4.370.0050.01815.08
5.4.360.0100.02314.80
5.4.350.0060.02515.17
5.4.340.0050.02114.96
5.4.330.0030.00510.91
5.4.320.0100.03714.92
5.4.310.0110.03615.00
5.4.300.0050.04714.98
5.4.290.0030.02115.08
5.4.280.0040.03714.88
5.4.270.0050.01815.04
5.4.260.0050.02115.03
5.4.250.0070.02214.82
5.4.240.0030.02614.83
5.4.230.0020.02115.00
5.4.220.0070.03615.00
5.4.210.0030.02014.96
5.4.200.0110.03814.96
5.4.190.0080.04015.01
5.4.180.0030.03815.10
5.4.170.0020.03014.96
5.4.160.0040.02214.96
5.4.150.0050.02514.86
5.4.140.0080.03013.78
5.4.130.0030.02313.64
5.4.120.0050.02713.67
5.4.110.0030.02013.48
5.4.100.0050.02213.45
5.4.90.0050.01813.59
5.4.80.0040.02213.74
5.4.70.0030.01813.42
5.4.60.0090.03513.81
5.4.50.0040.02113.72
5.4.40.0020.03513.71
5.4.30.0030.03113.73
5.4.20.0030.02513.68
5.4.10.0000.02713.57
5.4.00.0060.02013.29
5.3.290.0020.02512.57
5.3.280.0050.01812.61
5.3.270.0060.02012.55
5.3.260.0120.02712.49
5.3.250.0020.02312.37
5.3.240.0080.03712.51
5.3.230.0020.02012.48
5.3.220.0070.02012.41
5.3.210.0050.02112.34
5.3.200.0030.02512.46
5.3.190.0010.02312.35
5.3.180.0070.01812.50
5.3.170.0010.01912.47
5.3.160.0020.02012.35
5.3.150.0020.02512.56
5.3.140.0030.02312.39
5.3.130.0050.01712.43
5.3.120.0010.02312.37
5.3.110.0050.01812.44
5.3.100.0030.04212.20
5.3.90.0030.01912.16
5.3.80.0020.02612.13
5.3.70.0030.02212.09
5.3.60.0020.02612.07
5.3.50.0040.01712.13
5.3.40.0070.01912.03
5.3.30.0070.01812.04
5.3.20.0030.02011.87
5.3.10.0050.03011.81
5.3.00.0040.02111.87
5.2.170.0030.02311.06
5.2.160.0040.01511.06
5.2.150.0050.02711.06
5.2.140.0020.01511.06
5.2.130.0060.01311.06
5.2.120.0000.01811.06
5.2.110.0040.02211.06
5.2.100.0050.01811.06
5.2.90.0040.01411.06
5.2.80.0020.03511.06
5.2.70.0000.03211.06
5.2.60.0020.01511.06
5.2.50.0050.01711.06
5.2.40.0000.02011.06
5.2.30.0020.02111.06
5.2.20.0030.01511.06
5.2.10.0070.01711.06
5.2.00.0030.01911.06
5.1.60.0030.01411.06
5.1.50.0050.01111.06
5.1.40.0060.01211.06
5.1.30.0040.02611.06
5.1.20.0000.02111.06
5.1.10.0020.01411.06
5.1.00.0030.01311.06
5.0.50.0030.02011.06
5.0.40.0020.01311.06
5.0.30.0020.03111.06
5.0.20.0040.01111.06
5.0.10.0000.01211.06
5.0.00.0020.01911.06
4.4.90.0020.01011.06
4.4.80.0020.01311.06
4.4.70.0020.01011.06
4.4.60.0030.00811.06
4.4.50.0010.02111.06
4.4.40.0000.01811.06
4.4.30.0030.00511.06
4.4.20.0030.01011.06
4.4.10.0000.01011.06
4.4.00.0000.01611.06
4.3.110.0030.00811.06
4.3.100.0030.01011.06
4.3.90.0030.00811.06
4.3.80.0000.01711.06
4.3.70.0040.00511.06
4.3.60.0040.00811.06
4.3.50.0030.00711.06
4.3.40.0000.01311.06
4.3.30.0020.00811.06
4.3.20.0000.01011.06
4.3.10.0000.01111.06
4.3.00.0060.00611.06

preferences:
40.32 ms | 401 KiB | 5 Q