3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ConvertToAPICase($str) { return preg_replace_callback('/^([a-z]{1})|-([\w]{1})/', function($matches) { return strtoupper($matches[1]); }, $str); } function ConvertToJSCase($str) { $str = preg_replace_callback('/([A-Z]+)/', function($matches) { return '-' . strtolower($matches[1]); }, $str); // remove first dash return preg_replace('/^-/', '', $str); } echo ConvertToJSCase('NicamAllAges'); echo ' - '; echo ConvertToAPICase('nicam-age-6'); echo ' - '; echo ConvertToJSCase('NicamAge6'); echo ' - '; echo ConvertToJSCase('nicamAge12'); echo ' - '; echo ConvertToJSCase('NicamAA');

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)
8.3.60.0140.00718.55
8.3.50.0120.00722.15
8.3.40.0140.00019.04
8.3.30.0110.00418.88
8.3.20.0040.00420.34
8.3.10.0080.00023.65
8.3.00.0000.00719.24
8.2.180.0120.00618.54
8.2.170.0060.00919.08
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0030.00522.25
8.2.110.0060.00320.43
8.2.100.0040.00818.04
8.2.90.0000.00918.22
8.2.80.0050.00317.97
8.2.70.0000.00917.75
8.2.60.0000.00817.93
8.2.50.0000.01218.07
8.2.40.0030.00620.01
8.2.30.0000.00818.38
8.2.20.0040.00417.86
8.2.10.0050.00218.16
8.2.00.0050.00217.97
8.1.280.0120.00625.92
8.1.270.0080.00024.02
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00322.10
8.1.230.0080.00620.90
8.1.220.0060.00317.74
8.1.210.0030.00618.85
8.1.200.0000.01017.60
8.1.190.0060.00317.48
8.1.180.0060.00318.10
8.1.170.0040.00418.76
8.1.160.0110.00022.12
8.1.150.0030.00618.84
8.1.140.0070.00017.62
8.1.130.0080.00017.83
8.1.120.0040.00417.56
8.1.110.0000.00717.64
8.1.100.0040.00417.62
8.1.90.0040.00417.64
8.1.80.0000.00817.61
8.1.70.0000.00717.59
8.1.60.0000.00817.82
8.1.50.0030.00517.64
8.1.40.0030.00517.59
8.1.30.0040.00417.77
8.1.20.0000.00717.77
8.1.10.0020.00517.73
8.1.00.0040.00417.54
8.0.300.0000.00820.29
8.0.290.0070.00017.16
8.0.280.0040.00418.48
8.0.270.0000.00717.29
8.0.260.0000.00617.16
8.0.250.0030.00317.13
8.0.240.0000.00716.99
8.0.230.0070.00017.16
8.0.220.0000.00717.05
8.0.210.0000.00717.02
8.0.200.0050.00217.01
8.0.190.0040.00417.13
8.0.180.0020.00516.98
8.0.170.0050.00317.08
8.0.160.0050.00317.10
8.0.150.0040.00416.96
8.0.140.0080.00017.02
8.0.130.0030.00313.44
8.0.120.0030.00616.99
8.0.110.0030.00616.98
8.0.100.0030.00516.94
8.0.90.0030.00517.06
8.0.80.0090.01317.09
8.0.70.0050.00317.15
8.0.60.0040.00416.97
8.0.50.0040.00417.08
8.0.30.0110.00817.07
8.0.20.0110.00817.45
8.0.10.0030.00617.03
8.0.00.0060.01116.92
7.4.330.0020.00215.00
7.4.320.0000.00616.82
7.4.300.0030.00316.65
7.4.290.0030.00316.83
7.4.280.0000.00816.81
7.4.270.0000.00716.68
7.4.260.0070.00016.61
7.4.250.0080.00016.74
7.4.240.0030.00316.75
7.4.230.0000.00716.74
7.4.220.0060.01216.69
7.4.210.0090.00716.75
7.4.200.0040.00416.65
7.4.190.0030.00316.92
7.4.160.0070.01016.89
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0120.00616.67
7.4.120.0100.00916.69
7.4.110.0150.00816.71
7.4.100.0090.01016.68
7.4.90.0070.01016.42
7.4.80.0130.00719.39
7.4.70.0170.00016.71
7.4.60.0080.01116.75
7.4.50.0000.00816.64
7.4.40.0070.01116.77
7.4.30.0180.00716.74
7.4.00.0060.00915.35
7.3.330.0030.00313.47
7.3.320.0030.00313.52
7.3.310.0030.00316.50
7.3.300.0030.00316.48
7.3.290.0040.01616.34
7.3.280.0070.00916.38
7.3.270.0070.01017.40
7.3.260.0110.00716.74
7.3.250.0120.01016.58
7.3.240.0070.01016.51
7.3.230.0100.00716.52
7.3.210.0130.00316.51
7.3.200.0150.00419.39
7.3.190.0110.00716.64
7.3.180.0060.01316.44
7.3.170.0140.00416.76
7.3.160.0060.00916.70
7.3.120.0070.01115.14
7.3.10.0100.00316.73
7.3.00.0040.01116.95
7.2.330.0060.01217.06
7.2.320.0120.00716.91
7.2.310.0090.01416.87
7.2.300.0220.02017.02
7.2.290.0120.00616.95
7.2.130.0030.01517.04
7.2.120.0100.00617.07
7.2.110.0000.01316.87
7.2.100.0030.00917.11
7.2.90.0000.01317.18
7.2.80.0090.00617.11
7.2.70.0100.00016.86
7.2.60.0030.00917.17
7.2.50.0060.00917.22
7.2.40.0060.00617.20
7.2.30.0100.00716.88
7.2.20.0110.00716.86
7.2.10.0040.01117.23
7.2.00.0060.00617.11
7.1.250.0070.01015.65
7.1.200.0030.00616.01
7.1.100.0030.00618.34
7.1.70.0000.00717.27
7.1.60.0070.01619.46
7.1.50.0170.01735.18
7.1.00.0000.08022.42
7.0.200.0040.00416.84
7.0.140.0070.07022.00
7.0.60.0070.08319.80
7.0.50.0070.07318.00
7.0.40.0130.03720.32
7.0.30.0370.07020.14
7.0.20.0200.04720.10
7.0.10.0070.06720.24
7.0.00.0030.04720.07
5.6.280.0070.07021.00
5.6.210.0070.03720.73
5.6.200.0000.09318.27
5.6.190.0030.05320.55
5.6.180.0130.07020.63
5.6.170.0330.04720.48
5.6.160.0100.04320.43
5.6.150.0270.03318.28
5.6.140.0130.08018.30
5.6.130.0130.07018.12
5.6.120.0100.07721.15
5.6.110.0070.08720.97
5.6.100.0030.09021.05
5.6.90.0100.08320.99
5.6.80.0200.05320.38
5.5.350.4430.03720.34
5.5.340.0130.06718.07
5.5.330.0070.06020.27
5.5.320.0370.07020.52
5.5.310.0430.07720.34
5.5.300.0030.07718.04
5.5.290.0070.07718.04
5.5.280.0030.04020.75
5.5.270.0130.07320.98
5.5.260.0130.08720.88
5.5.250.0030.04320.60
5.5.240.0000.03320.17
5.4.450.0530.06019.13
5.4.440.0630.05319.50
5.4.430.0730.05319.25
5.4.420.0770.05319.54
5.4.410.1030.06019.43
5.4.400.0670.05719.26
5.4.390.0970.05319.07
5.4.380.0130.05718.62
5.4.370.0170.05018.86
5.4.360.0170.04718.73
5.4.350.0130.05318.48
5.4.340.0200.05018.73
5.4.320.0060.03612.52
5.4.310.0080.03612.51
5.4.300.0070.03712.52
5.4.290.0090.04112.51
5.4.280.0100.03612.41
5.4.270.0140.05012.41
5.4.260.0140.05812.41
5.4.250.0150.08812.41
5.4.240.0160.04912.40
5.4.230.0130.04212.40
5.4.220.0170.06312.39
5.4.210.0090.04712.39
5.4.200.0090.04312.40
5.4.190.0090.03812.39
5.4.180.0100.03712.40
5.4.170.0100.06912.41
5.4.160.0100.06712.40
5.4.150.0100.06012.39
5.4.140.0190.05512.07
5.4.130.0160.05112.07
5.4.120.0090.04312.02
5.4.110.0120.04412.02
5.4.100.0220.05612.02
5.4.90.0130.05212.02
5.4.80.0130.04912.02
5.4.70.0090.05412.02
5.4.60.0160.03212.02
5.4.50.0250.03712.02
5.4.40.0060.03812.00
5.4.30.0090.03812.00
5.4.20.0120.04512.00
5.4.10.0080.04412.00
5.4.00.0120.05811.49
5.3.290.0090.03912.80
5.3.280.0110.06112.71
5.3.270.0190.06012.73
5.3.260.0060.05112.72
5.3.250.0130.04912.72
5.3.240.0140.06312.72
5.3.230.0060.05612.71
5.3.220.0070.05012.68
5.3.210.0090.04012.68
5.3.200.0100.03712.68
5.3.190.0100.04112.67
5.3.180.0080.04712.67
5.3.170.0120.06712.67
5.3.160.0090.05512.68
5.3.150.0070.05612.68
5.3.140.0130.05112.66
5.3.130.0090.04212.66
5.3.120.0070.04012.66
5.3.110.0120.03412.66
5.3.100.0100.03712.14
5.3.90.0080.03612.13
5.3.80.0070.03712.13
5.3.70.0080.04312.12
5.3.60.0080.05112.11
5.3.50.0100.04812.06
5.3.40.0090.04312.06
5.3.30.0100.04212.02
5.3.20.0090.04711.80
5.3.10.0100.03711.75
5.3.00.0120.04811.75
5.2.170.0040.0369.22
5.2.160.0120.0319.21
5.2.150.0070.0339.22
5.2.140.0060.0309.21
5.2.130.0040.0309.18
5.2.120.0060.0289.18
5.2.110.0040.0339.18
5.2.100.0070.0299.18
5.2.90.0050.0329.18
5.2.80.0110.0399.17
5.2.70.0130.0619.18
5.2.60.0110.0469.12
5.2.50.0110.0809.09
5.2.40.0100.0429.07
5.2.30.0050.0479.05
5.2.20.0130.0469.04
5.2.10.0120.0778.95
5.2.00.0060.0728.80
5.1.60.0100.0358.09
5.1.50.0120.0328.08
5.1.40.0070.0378.07
5.1.30.0080.0398.42
5.1.20.0070.0418.43
5.1.10.0070.0378.16
5.1.00.0070.0368.16
5.0.50.0070.0276.64
5.0.40.0090.0246.50
5.0.30.0060.0416.31
5.0.20.0050.0296.29
5.0.10.0040.0276.26
5.0.00.0030.0406.25
4.4.90.0030.0234.78
4.4.80.0050.0214.76
4.4.70.0050.0214.76
4.4.60.0040.0214.75
4.4.50.0040.0234.77
4.4.40.0060.0324.71
4.4.30.0080.0174.76
4.4.20.0020.0244.84
4.4.10.0040.0224.85
4.4.00.0050.0314.76
4.3.110.0020.0234.67
4.3.100.0040.0204.67
4.3.90.0030.0224.63
4.3.80.0030.0344.58
4.3.70.0040.0214.63
4.3.60.0060.0194.63
4.3.50.0040.0224.63
4.3.40.0040.0324.54
4.3.30.0040.0193.30
4.3.20.0020.0193.27
4.3.10.0030.0163.24
4.3.00.0100.0237.09

preferences:
42.4 ms | 401 KiB | 5 Q