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)
8.3.60.0090.00916.49
8.3.50.0130.01022.13
8.3.40.0150.00018.92
8.3.30.0030.01219.09
8.3.20.0050.00320.13
8.3.10.0040.00423.53
8.3.00.0080.00020.95
8.2.180.0190.00018.67
8.2.170.0150.00322.96
8.2.160.0070.00720.24
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0040.00420.40
8.2.110.0070.00319.39
8.2.100.0080.00418.03
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0000.00917.88
8.2.60.0060.00318.04
8.2.50.0060.00718.07
8.2.40.0040.00420.07
8.2.30.0050.00218.23
8.2.20.0080.00017.87
8.2.10.0030.00518.14
8.2.00.0060.00317.79
8.1.280.0100.00725.92
8.1.270.0040.00422.19
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0100.00321.95
8.1.230.0130.00021.09
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0050.00517.61
8.1.190.0040.00417.35
8.1.180.0090.00019.26
8.1.170.0050.00518.63
8.1.160.0050.00321.98
8.1.150.0050.00318.85
8.1.140.0030.00617.63
8.1.130.0070.00017.85
8.1.120.0050.00217.64
8.1.110.0070.00317.61
8.1.100.0050.00317.58
8.1.90.0050.00217.61
8.1.80.0000.00817.55
8.1.70.0070.00017.55
8.1.60.0030.00717.75
8.1.50.0080.00017.61
8.1.40.0030.00517.68
8.1.30.0040.00417.75
8.1.20.0040.00417.75
8.1.10.0000.00817.61
8.1.00.0080.00017.68
8.0.300.0040.00419.98
8.0.290.0000.00716.75
8.0.280.0040.00418.48
8.0.270.0000.00717.21
8.0.260.0000.00817.28
8.0.250.0000.00717.02
8.0.240.0040.00417.14
8.0.230.0030.00317.03
8.0.220.0020.00516.95
8.0.210.0000.00717.04
8.0.200.0040.00417.14
8.0.190.0040.00417.13
8.0.180.0000.00817.07
8.0.170.0040.00416.97
8.0.160.0000.00817.01
8.0.150.0040.00416.98
8.0.140.0000.00717.03
8.0.130.0000.00613.47
8.0.120.0080.00017.05
8.0.110.0040.00417.01
8.0.100.0080.00016.87
8.0.90.0000.00717.11
8.0.80.0070.01417.00
8.0.70.0040.00417.09
8.0.60.0000.00716.96
8.0.50.0000.00717.00
8.0.30.0080.01117.37
8.0.20.0120.01017.42
8.0.10.0070.00017.00
8.0.00.0120.00517.10
7.4.330.0030.00315.17
7.4.320.0030.00316.86
7.4.300.0070.00016.82
7.4.290.0080.00016.85
7.4.280.0020.00516.78
7.4.270.0000.00716.65
7.4.260.0070.00016.83
7.4.250.0070.00016.62
7.4.240.0020.00516.83
7.4.230.0080.00016.81
7.4.220.0120.00616.63
7.4.210.0050.00916.70
7.4.200.0040.00416.64
7.4.190.0030.00316.69
7.4.160.0100.00616.79
7.4.150.0160.00417.40
7.4.140.0100.00817.86
7.4.130.0140.00316.66
7.4.120.0110.00616.73
7.4.110.0110.00716.69
7.4.100.0070.01716.70
7.4.90.0090.01016.64
7.4.80.0060.01219.39
7.4.70.0100.01416.87
7.4.60.0060.01216.46
7.4.50.0000.01116.74
7.4.40.0120.00416.76
7.4.30.0070.01016.56
7.4.00.0000.01015.38
7.3.330.0050.00013.47
7.3.320.0000.00513.22
7.3.310.0050.00316.47
7.3.300.0000.00716.51
7.3.290.0070.00716.42
7.3.280.0090.00816.40
7.3.270.0180.00017.40
7.3.260.0170.00716.51
7.3.250.0110.00816.45
7.3.240.0070.01016.75
7.3.230.0070.01016.57
7.3.210.0060.01216.75
7.3.200.0130.00319.39
7.3.190.0100.01016.88
7.3.180.0030.01316.41
7.3.170.0060.01216.71
7.3.160.0150.00316.82
7.3.120.0050.00815.14
7.2.330.0070.01016.97
7.2.320.0150.00616.99
7.2.310.0160.00616.77
7.2.300.0210.01816.75
7.2.290.0140.00516.78
7.1.70.0070.01417.35
7.1.60.0110.01519.46
7.1.50.0250.01635.03
7.1.00.0070.07722.38
7.0.200.0000.00916.80
7.0.140.0070.06722.10
7.0.60.0100.04020.03
7.0.50.0070.04317.95
7.0.40.0030.06720.27
7.0.30.0230.04720.21
7.0.20.0230.05320.07
7.0.10.0130.06720.09
7.0.00.0130.05720.25
5.6.280.0000.07720.83
5.6.210.0030.06720.66
5.6.200.0070.06318.20
5.6.190.0070.04720.58
5.6.180.0200.04720.48
5.6.170.0200.03720.57
5.6.160.0100.04320.55
5.6.150.0000.05018.25
5.6.140.0100.04318.14
5.6.130.0070.05018.27
5.6.120.0100.04720.95
5.6.110.0130.06720.99
5.6.100.0070.04320.99
5.6.90.0130.07721.14
5.6.80.0070.07020.54
5.5.350.0030.07720.42
5.5.340.0030.06717.97
5.5.330.0100.06320.56
5.5.320.0400.07320.24
5.5.310.0270.05320.24
5.5.300.0070.07017.95
5.5.290.0130.06017.95
5.5.280.0100.08320.97
5.5.270.0030.04320.94
5.5.260.0030.04020.77
5.5.250.0030.08720.59
5.5.240.0430.05720.28
5.4.450.0230.06319.51
5.4.440.0330.06719.41
5.4.430.0400.05719.46
5.4.420.0230.04019.52
5.4.410.0230.04019.51
5.4.400.0330.04019.32
5.4.390.0330.06718.91
5.4.380.0270.07019.25
5.4.370.0230.05719.22
5.4.360.0430.06719.20
5.4.350.0530.02319.24
5.4.340.0470.04019.31
5.4.320.0300.03719.09
5.4.310.0330.04018.87
5.4.300.0300.06318.88
5.4.290.0370.03719.14
5.4.280.0270.07718.95
5.4.270.0330.03719.16
5.4.260.0330.05319.19
5.4.250.0370.02319.17
5.4.240.0270.07719.13
5.4.230.0230.05019.23
5.4.220.0430.03019.14
5.4.210.0400.05719.08
5.4.200.0330.05019.05
5.4.190.0470.03318.86
5.4.180.0300.06719.12
5.4.170.0300.07019.15
5.4.160.0300.07019.29
5.4.150.0230.04018.95
5.4.140.0330.06016.47
5.4.130.0300.04316.57
5.4.120.0230.03716.36
5.4.110.0230.07016.46
5.4.100.0270.05316.61
5.4.90.0400.06016.51
5.4.80.0300.06016.45
5.4.70.0300.07016.62
5.4.60.0270.05716.48
5.4.50.0400.05716.23
5.4.40.0330.06016.51
5.4.30.0200.04716.52
5.4.20.0170.03716.52
5.4.10.0200.04316.25
5.4.00.0270.02715.78
5.3.290.0230.05014.70
5.3.280.0300.06314.52
5.3.270.0230.05014.55
5.3.260.0270.04314.73
5.3.250.0330.06714.75
5.3.240.0300.07014.53
5.3.230.0230.04014.58
5.3.220.0330.06714.58
5.3.210.0230.05014.50
5.3.200.0370.06714.63
5.3.190.0370.07014.48
5.3.180.0300.06014.50
5.3.170.0300.05714.50
5.3.160.0330.06314.58
5.3.150.0330.05014.80
5.3.140.0300.04714.50
5.3.130.0130.05014.49
5.3.120.0200.04314.78
5.3.110.0170.04014.58
5.3.100.0100.04714.02
5.3.90.0170.04014.04
5.3.80.0200.03714.05
5.3.70.0170.04314.02
5.3.60.0270.03713.92
5.3.50.0270.03014.13
5.3.40.0200.04714.19
5.3.30.0200.04013.83
5.3.20.0230.04313.82
5.3.10.0300.03313.76
5.3.00.0230.03313.59
5.2.170.0100.03312.13
5.2.160.0230.02012.13
5.2.150.0200.04012.13
5.2.140.0200.03312.13
5.2.130.0170.05312.13
5.2.120.0170.04012.13
5.2.110.0170.03712.13
5.2.100.0230.05712.13
5.2.90.0200.02712.13
5.2.80.0200.03012.13
5.2.70.0130.03012.13
5.2.60.0170.02712.13
5.2.50.0200.02312.13
5.2.40.0070.03312.13
5.2.30.0130.02712.13
5.2.20.0130.02712.13
5.2.10.0130.03012.13
5.2.00.0100.03312.13
5.1.60.0100.02712.13
5.1.50.0130.02312.13
5.1.40.0170.02012.13
5.1.30.0130.03312.13
5.1.20.0130.02312.13
5.1.10.0130.02312.13
5.1.00.0130.03312.13
5.0.50.0030.02312.13
5.0.40.0130.01712.13
5.0.30.0030.03312.13
5.0.20.0100.01712.13
5.0.10.0100.02012.13
5.0.00.0170.02712.13
4.4.90.0070.01312.13
4.4.80.0030.01712.13
4.4.70.0070.01712.13
4.4.60.0100.01312.13
4.4.50.0100.01012.13
4.4.40.0100.02012.13
4.4.30.0070.01312.13
4.4.20.0070.01312.13
4.4.10.0030.01712.13
4.4.00.0070.02312.13
4.3.110.0070.02012.13
4.3.100.0070.01712.13
4.3.90.0030.01712.13
4.3.80.0100.02012.13
4.3.70.0070.01312.13
4.3.60.0070.01312.13
4.3.50.0070.01312.13
4.3.40.0070.02312.13
4.3.30.0030.02012.13
4.3.20.0030.02012.13
4.3.10.0070.03012.13
4.3.00.0000.02012.13

preferences:
43.57 ms | 401 KiB | 5 Q