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) { $str = preg_replace_callback('/([A-Z]+)/', function($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)
8.3.60.0040.01117.00
8.3.50.0130.00522.11
8.3.40.0000.01519.01
8.3.30.0110.00318.87
8.3.20.0000.00720.38
8.3.10.0040.00423.53
8.3.00.0080.00019.12
8.2.180.0140.00718.65
8.2.170.0110.01122.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.35
8.2.110.0050.00519.39
8.2.100.0040.00817.92
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0000.00817.88
8.2.60.0040.00418.16
8.2.50.0040.00718.07
8.2.40.0040.00720.07
8.2.30.0060.00318.23
8.2.20.0000.00817.98
8.2.10.0020.00518.16
8.2.00.0060.00317.92
8.1.280.0070.00725.92
8.1.270.0080.00023.99
8.1.260.0030.00526.35
8.1.250.0030.00628.09
8.1.240.0060.00321.06
8.1.230.0040.00817.70
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0100.00017.48
8.1.190.0000.00817.47
8.1.180.0040.00418.10
8.1.170.0050.00318.60
8.1.160.0000.00822.05
8.1.150.0030.00618.80
8.1.140.0000.00817.68
8.1.130.0070.00017.82
8.1.120.0030.00517.70
8.1.110.0040.00417.66
8.1.100.0040.00417.61
8.1.90.0040.00417.60
8.1.80.0050.00217.57
8.1.70.0030.00317.63
8.1.60.0060.00317.80
8.1.50.0000.00817.51
8.1.40.0040.00417.73
8.1.30.0050.00317.82
8.1.20.0040.00417.83
8.1.10.0030.00717.61
8.1.00.0000.00817.56
8.0.300.0000.00718.77
8.0.290.0040.00417.00
8.0.280.0070.00018.43
8.0.270.0030.00316.97
8.0.260.0030.00317.21
8.0.250.0050.00317.09
8.0.240.0030.00317.00
8.0.230.0000.00717.07
8.0.220.0000.00816.97
8.0.210.0000.00817.09
8.0.200.0040.00417.18
8.0.190.0000.00816.98
8.0.180.0070.00016.98
8.0.170.0030.00617.14
8.0.160.0050.00216.92
8.0.150.0040.00416.96
8.0.140.0000.00817.03
8.0.130.0030.00313.45
8.0.120.0030.00616.93
8.0.110.0000.00717.02
8.0.100.0060.00316.92
8.0.90.0040.00417.05
8.0.80.0060.00917.06
8.0.70.0000.00716.93
8.0.60.0040.00416.99
8.0.50.0040.00417.00
8.0.30.0110.00817.49
8.0.20.0130.00517.47
8.0.10.0020.00517.22
8.0.00.0130.00717.04
7.4.330.0000.00515.00
7.4.320.0040.00416.63
7.4.300.0060.00016.87
7.4.290.0000.00716.68
7.4.280.0050.00216.77
7.4.270.0050.00216.73
7.4.260.0000.00716.81
7.4.250.0050.00316.75
7.4.240.0040.00416.71
7.4.230.0020.00516.90
7.4.220.0070.01416.80
7.4.210.0080.00816.81
7.4.200.0040.00416.74
7.4.190.0050.00216.89
7.4.160.0070.01016.63
7.4.150.0130.01017.40
7.4.140.0140.00817.86
7.4.130.0110.00816.59
7.4.120.0080.01416.83
7.4.110.0110.00516.53
7.4.100.0060.01716.77
7.4.90.0090.01216.54
7.4.80.0120.00419.39
7.4.70.0030.01516.68
7.4.60.0100.01016.62
7.4.50.0000.00516.79
7.4.40.0060.01016.60
7.4.30.0030.01316.85
7.4.00.0060.01015.21
7.3.330.0000.00513.24
7.3.320.0000.00613.32
7.3.310.0040.00416.55
7.3.300.0030.00316.49
7.3.290.0130.00316.48
7.3.280.0080.00916.39
7.3.270.0150.00617.40
7.3.260.0160.00316.43
7.3.250.0090.01016.54
7.3.240.0080.00816.72
7.3.230.0070.01016.75
7.3.210.0060.01216.65
7.3.200.0080.00819.39
7.3.190.0110.00716.79
7.3.180.0080.00816.50
7.3.170.0040.01516.58
7.3.160.0090.00616.73
7.3.120.0100.00715.00
7.2.330.0110.00716.79
7.2.320.0120.00916.65
7.2.310.0100.00717.01
7.2.300.0110.00616.67
7.2.290.0160.00416.84
7.2.00.0000.01519.52
7.1.100.0040.00718.41
7.1.70.0030.00517.45
7.1.60.0100.01319.46
7.1.50.0250.01335.09
7.1.00.0000.07322.34
7.0.200.0040.00417.00
7.0.140.0000.07722.09
7.0.60.0100.04319.98
7.0.50.0170.06717.92
7.0.40.0100.08320.09
7.0.30.0200.04320.27
7.0.20.0300.06020.15
7.0.10.0100.07720.27
7.0.00.0070.05320.20
5.6.280.0030.07321.13
5.6.210.0030.06320.66
5.6.200.0070.06018.13
5.6.190.0100.07720.50
5.6.180.0130.06720.46
5.6.170.0400.07020.44
5.6.160.0070.08320.39
5.6.150.0130.07318.19
5.6.140.0070.03718.15
5.6.130.0100.08318.12
5.6.120.0100.07721.01
5.6.110.0070.08721.02
5.6.100.0100.07020.98
5.6.90.0130.06320.98
5.6.80.0030.08320.37
5.5.350.3970.04020.36
5.5.340.0130.07717.96
5.5.330.0070.08320.42
5.5.320.0230.04720.38
5.5.310.0400.07720.32
5.5.300.0030.08317.95
5.5.290.0000.04317.99
5.5.280.0030.09020.98
5.5.270.0030.09020.80
5.5.260.0070.05720.89
5.5.250.0070.06320.56
5.5.240.0000.08320.28
5.4.450.0730.08319.27
5.4.440.0700.05319.52
5.4.430.0330.04319.63
5.4.420.0800.05319.29
5.4.410.1030.07719.31
5.4.400.0670.05319.20
5.4.390.0730.05019.11
5.4.380.0170.05018.54
5.4.370.0100.05718.50
5.4.360.0170.05018.59
5.4.350.0030.06318.75
5.4.340.0200.05318.80
5.4.320.0100.04012.52
5.4.310.0080.04212.51
5.4.300.0070.04612.51
5.4.290.0140.06312.51
5.4.280.0160.07912.41
5.4.270.0190.04912.41
5.4.260.0180.06012.41
5.4.250.0050.04612.41
5.4.240.0120.04912.41
5.4.230.0110.04612.40
5.4.220.0100.04412.40
5.4.210.0100.03612.39
5.4.200.0100.05412.40
5.4.190.0270.05612.39
5.4.180.0090.04612.39
5.4.170.0050.04412.40
5.4.160.0070.04212.40
5.4.150.0070.05512.39
5.4.140.0130.07112.08
5.4.130.0240.10012.07
5.4.120.0120.08212.03
5.4.110.0130.07412.02
5.4.100.0180.07112.02
5.4.90.0150.09212.02
5.4.80.0210.07012.02
5.4.70.0070.07212.02
5.4.60.0060.05012.02
5.4.50.0150.06312.02
5.4.40.0360.07612.01
5.4.30.0080.04312.00
5.4.20.0220.06912.00
5.4.10.0240.08512.00
5.4.00.0110.05611.49
5.3.290.0070.04812.80
5.3.280.0100.05512.71
5.3.270.0100.07012.72
5.3.260.0130.06112.72
5.3.250.0090.04412.72
5.3.240.0110.03812.72
5.3.230.0100.03912.71
5.3.220.0080.04212.68
5.3.210.0060.04512.68
5.3.200.0070.04112.68
5.3.190.0060.05112.68
5.3.180.0160.05512.67
5.3.170.0110.05412.67
5.3.160.0100.03812.67
5.3.150.0210.06412.67
5.3.140.0160.05212.66
5.3.130.0330.12812.66
5.3.120.0050.04712.66
5.3.110.0130.05112.66
5.3.100.0090.03912.14
5.3.90.0100.03812.13
5.3.80.0070.03912.12
5.3.70.0080.03912.12
5.3.60.0140.04312.11
5.3.50.0120.06612.06
5.3.40.0110.10912.05
5.3.30.0180.05812.01
5.3.20.0110.04711.80
5.3.10.0150.05811.76
5.3.00.0090.05411.75
5.2.170.0100.0459.21
5.2.160.0130.0409.21
5.2.150.0090.0489.22
5.2.140.0160.0529.21
5.2.130.0110.0589.17
5.2.120.0080.0579.17
5.2.110.0140.0589.18
5.2.100.0130.0389.18
5.2.90.0110.0619.18
5.2.80.0090.0489.18
5.2.70.0160.0469.18
5.2.60.0060.0459.13
5.2.50.0160.0629.09
5.2.40.0160.0499.07
5.2.30.0100.0379.05
5.2.20.0110.0489.05
5.2.10.0040.0398.95
5.2.00.0080.0408.81
5.1.60.0090.0348.09
5.1.50.0060.0308.08
5.1.40.0080.0228.07
5.1.30.0050.0348.43
5.1.20.0060.0328.44
5.1.10.0050.0348.16
5.1.00.0060.0408.16
5.0.50.0050.0306.64
5.0.40.0030.0336.50
5.0.30.0080.0476.31
5.0.20.0040.0266.28
5.0.10.0080.0246.26
5.0.00.0030.0406.25
4.4.90.0040.0214.78
4.4.80.0030.0224.76
4.4.70.0030.0224.76
4.4.60.0020.0234.76
4.4.50.0060.0204.77
4.4.40.0050.0364.71
4.4.30.0050.0214.76
4.4.20.0080.0214.84
4.4.10.0080.0214.85
4.4.00.0040.0254.75
4.3.110.0060.0304.66
4.3.100.0050.0294.67
4.3.90.0020.0334.63
4.3.80.0070.0294.58
4.3.70.0030.0264.63
4.3.60.0070.0224.63
4.3.50.0060.0214.63
4.3.40.0060.0334.53
4.3.30.0060.0213.30
4.3.20.0040.0203.27
4.3.10.0020.0263.24
4.3.00.0130.0207.09

preferences:
44.37 ms | 401 KiB | 5 Q