3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ConvertToAPICase($str) { return preg_replace_callback('/(^[a-z])|-([\w])/', function($matches) { return str_replace('-', '', strtoupper($matches[0])); }, $str); } function ConvertToJSCase($str) { $str = preg_replace_callback('/([A-Z]+|[0-9]+)/', function($matches) { return '-' . strtolower($matches[0]); }, $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)
8.3.60.0070.01016.88
8.3.50.0140.00822.01
8.3.40.0110.00419.10
8.3.30.0140.00019.09
8.3.20.0070.00020.25
8.3.10.0040.00423.52
8.3.00.0070.00019.02
8.2.180.0120.00318.54
8.2.170.0180.00022.96
8.2.160.0040.01120.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00926.16
8.2.120.0060.00320.57
8.2.110.0100.00022.24
8.2.100.0070.00417.84
8.2.90.0060.00319.17
8.2.80.0000.00917.97
8.2.70.0060.00617.61
8.2.60.0050.00318.05
8.2.50.0030.00618.07
8.2.40.0040.00420.13
8.2.30.0070.00018.21
8.2.20.0000.00918.05
8.2.10.0070.00018.07
8.2.00.0050.00317.98
8.1.280.0140.00325.92
8.1.270.0030.00623.85
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00722.08
8.1.230.0070.00419.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0070.00417.25
8.1.180.0040.00419.26
8.1.170.0050.00318.73
8.1.160.0040.00422.09
8.1.150.0080.00318.77
8.1.140.0040.00417.66
8.1.130.0000.00717.78
8.1.120.0000.00717.52
8.1.110.0070.00017.64
8.1.100.0040.00417.51
8.1.90.0000.00717.53
8.1.80.0000.00817.64
8.1.70.0050.00317.59
8.1.60.0040.00417.64
8.1.50.0050.00317.62
8.1.40.0030.00517.77
8.1.30.0030.00617.89
8.1.20.0050.00317.79
8.1.10.0060.00317.73
8.1.00.0050.00317.77
8.0.300.0000.00718.77
8.0.290.0060.00317.43
8.0.280.0040.00418.41
8.0.270.0000.00917.29
8.0.260.0000.00617.21
8.0.250.0000.00817.01
8.0.240.0030.00317.10
8.0.230.0040.00417.13
8.0.220.0000.00817.09
8.0.210.0030.00417.06
8.0.200.0040.00417.00
8.0.190.0020.00517.07
8.0.180.0050.00317.10
8.0.170.0030.00516.99
8.0.160.0030.00517.02
8.0.150.0000.00816.89
8.0.140.0040.00416.95
8.0.130.0030.00313.49
8.0.120.0000.00816.97
8.0.110.0080.00017.04
8.0.100.0000.00816.94
8.0.90.0070.00017.09
8.0.80.0100.00617.00
8.0.70.0040.00417.08
8.0.60.0000.00717.09
8.0.50.0070.00017.01
8.0.30.0090.00917.12
8.0.20.0090.00917.40
8.0.10.0050.00317.07
8.0.00.0060.01516.87
7.4.330.0050.00015.00
7.4.320.0050.00316.73
7.4.300.0030.00316.71
7.4.290.0080.00016.73
7.4.280.0060.00316.67
7.4.270.0080.00016.85
7.4.260.0000.00716.62
7.4.250.0030.00716.68
7.4.240.0030.00316.71
7.4.230.0070.00016.83
7.4.220.0090.00916.71
7.4.210.0100.00616.83
7.4.200.0040.00416.55
7.4.190.0000.00816.81
7.4.160.0090.00616.66
7.4.150.0090.00917.40
7.4.140.0100.01317.86
7.4.130.0150.00316.55
7.4.120.0110.00816.76
7.4.110.0110.01116.75
7.4.100.0130.00716.73
7.4.90.0060.01116.83
7.4.80.0140.00819.39
7.4.70.0080.00816.67
7.4.60.0120.00816.56
7.4.50.0030.00616.73
7.4.40.0030.01316.69
7.4.30.0120.00416.68
7.4.00.0060.00615.03
7.3.330.0000.00513.38
7.3.320.0030.00213.42
7.3.310.0040.00316.52
7.3.300.0030.00316.38
7.3.290.0030.01016.38
7.3.280.0040.01116.41
7.3.270.0130.00317.40
7.3.260.0150.00316.63
7.3.250.0050.01316.69
7.3.240.0130.00316.47
7.3.230.0070.01016.52
7.3.210.0040.02016.49
7.3.200.0120.00919.39
7.3.190.0040.01216.83
7.3.180.0030.01316.53
7.3.170.0100.00716.50
7.3.160.0030.01416.48
7.3.120.0040.01415.21
7.2.330.0100.00717.05
7.2.320.0110.00916.84
7.2.310.0070.01016.68
7.2.300.0160.00316.82
7.2.290.0090.01216.79
7.2.80.0070.00716.57
7.2.60.0040.01217.18
7.2.00.0000.01219.73
7.1.200.0000.01016.14
7.1.100.0000.01418.34
7.1.70.0040.00817.38
7.1.60.0100.01619.46
7.1.50.0130.01735.11
7.1.00.0030.07722.39
7.0.200.0080.00416.84
7.0.140.0000.07021.92
7.0.60.0070.08319.84
7.0.50.0070.08017.85
7.0.40.0100.08020.13
7.0.30.0270.07720.39
7.0.20.0270.08020.35
7.0.10.0030.09020.39
7.0.00.0030.08020.21
5.6.280.0070.07020.88
5.6.210.0070.03720.74
5.6.200.0100.07718.16
5.6.190.0100.08020.52
5.6.180.0070.04720.67
5.6.170.0270.04320.56
5.6.160.0030.08720.44
5.6.150.0030.05718.17
5.6.140.0100.07318.23
5.6.130.0070.07718.14
5.6.120.0170.06721.13
5.6.110.0100.06021.04
5.6.100.0130.04021.14
5.6.90.0070.05321.00
5.6.80.0100.07320.52
5.5.350.4000.04720.45
5.5.340.0000.08717.94
5.5.330.0070.04020.42
5.5.320.0270.06720.34
5.5.310.0530.06320.36
5.5.300.0130.06318.06
5.5.290.0070.06718.07
5.5.280.0030.04020.75
5.5.270.0170.07720.81
5.5.260.0070.08720.65
5.5.250.0070.07020.80
5.5.240.0070.02720.25
5.4.450.0770.06019.62
5.4.440.0970.04719.27
5.4.430.1200.07019.61
5.4.420.0130.05719.63
5.4.410.0870.07019.20
5.4.400.0100.08019.09
5.4.390.0170.07018.91
5.4.380.0130.05318.79
5.4.370.0170.05018.61
5.4.360.0170.05018.54
5.4.350.0100.06018.80
5.4.340.0130.05318.62
5.4.320.0060.03812.52
5.4.310.0080.03812.51
5.4.300.0050.04212.52
5.4.290.0140.05112.51
5.4.280.0100.04912.40
5.4.270.0100.05812.41
5.4.260.0120.04912.41
5.4.250.0080.05412.40
5.4.240.0080.05412.41
5.4.230.0090.05412.40
5.4.220.0050.04112.40
5.4.210.0060.04112.40
5.4.200.0090.04312.40
5.4.190.0080.03712.39
5.4.180.0090.04112.39
5.4.170.0110.03312.40
5.4.160.0080.03712.40
5.4.150.0040.04112.39
5.4.140.0050.04112.08
5.4.130.0100.03612.07
5.4.120.0050.03912.02
5.4.110.0080.03712.02
5.4.100.0090.03412.02
5.4.90.0030.04012.02
5.4.80.0080.03912.02
5.4.70.0060.03712.01
5.4.60.0110.03812.02
5.4.50.0100.03712.02
5.4.40.0100.03812.00
5.4.30.0040.04412.00
5.4.20.0100.05012.00
5.4.10.0090.04612.00
5.4.00.0210.09611.49
5.3.290.0060.04212.80
5.3.280.0200.06112.71
5.3.270.0120.06212.73
5.3.260.0110.05212.72
5.3.250.0100.04212.72
5.3.240.0090.03812.72
5.3.230.0130.04712.71
5.3.220.0100.04312.68
5.3.210.0100.04912.68
5.3.200.0130.05212.68
5.3.190.0080.05212.68
5.3.180.0080.04212.67
5.3.170.0130.06412.66
5.3.160.0140.06312.67
5.3.150.0120.05412.67
5.3.140.0100.05512.66
5.3.130.0070.04512.66
5.3.120.0100.04012.66
5.3.110.0160.05012.66
5.3.100.0100.04512.14
5.3.90.0210.03612.13
5.3.80.0090.03812.12
5.3.70.0110.03712.12
5.3.60.0100.05112.10
5.3.50.0190.07812.05
5.3.40.0120.05112.05
5.3.30.0070.05412.01
5.3.20.0090.04011.80
5.3.10.0050.04011.76
5.3.00.0100.03811.75
5.2.170.0070.0439.21
5.2.160.0090.0309.21
5.2.150.0060.0409.21
5.2.140.0080.0429.21
5.2.130.0100.0309.18
5.2.120.0080.0389.18
5.2.110.0080.0299.18
5.2.100.0040.0329.18
5.2.90.0040.0349.18
5.2.80.0060.0379.18
5.2.70.0080.0309.17
5.2.60.0120.0269.12
5.2.50.0070.0319.09
5.2.40.0080.0299.07
5.2.30.0050.0449.05
5.2.20.0090.0259.04
5.2.10.0150.0518.95
5.2.00.0080.0428.81
5.1.60.0060.0418.09
5.1.50.0100.0328.09
5.1.40.0050.0388.06
5.1.30.0070.0478.43
5.1.20.0100.0458.44
5.1.10.0100.0598.16
5.1.00.0090.0488.16
5.0.50.0070.0296.64
5.0.40.0040.0276.50
5.0.30.0050.0426.31
5.0.20.0070.0336.29
5.0.10.0040.0326.26
5.0.00.0030.0406.25
4.4.90.0020.0174.78
4.4.80.0050.0144.75
4.4.70.0050.0154.75
4.4.60.0040.0164.75
4.4.50.0030.0234.77
4.4.40.0130.0494.71
4.4.30.0050.0154.76
4.4.20.0030.0174.84
4.4.10.0010.0234.85
4.4.00.0110.0814.76
4.3.110.0130.0354.67
4.3.100.0050.0384.67
4.3.90.0080.0474.64
4.3.80.0060.0444.59
4.3.70.0040.0214.63
4.3.60.0070.0364.63
4.3.50.0060.0474.63
4.3.40.0050.0334.54
4.3.30.0080.0413.30
4.3.20.0070.0323.27
4.3.10.0120.0343.24
4.3.00.0030.0277.09

preferences:
44.64 ms | 401 KiB | 5 Q