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)
8.3.60.0040.01916.75
8.3.50.0100.00922.12
8.3.40.0120.00318.92
8.3.30.0070.00719.23
8.3.20.0040.00420.19
8.3.10.0040.00423.41
8.3.00.0060.00319.18
8.2.180.0110.00418.43
8.2.170.0000.01522.96
8.2.160.0100.00320.39
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0030.00620.57
8.2.110.0060.00322.09
8.2.100.0030.00919.77
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0030.00617.72
8.2.60.0080.00018.16
8.2.50.0060.00618.07
8.2.40.0030.00620.20
8.2.30.0000.00718.27
8.2.20.0040.00417.79
8.2.10.0080.00018.21
8.2.00.0000.00817.80
8.1.280.0140.00725.92
8.1.270.0080.00023.92
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00822.05
8.1.230.0070.00419.17
8.1.220.0000.00817.76
8.1.210.0000.00918.77
8.1.200.0060.00317.50
8.1.190.0080.00017.35
8.1.180.0030.00518.10
8.1.170.0040.00418.78
8.1.160.0050.00322.06
8.1.150.0070.00318.82
8.1.140.0000.00717.52
8.1.130.0030.00517.80
8.1.120.0040.00417.59
8.1.110.0080.00017.59
8.1.100.0040.00417.52
8.1.90.0000.00717.50
8.1.80.0070.00017.66
8.1.70.0040.00417.61
8.1.60.0040.00417.75
8.1.50.0000.00817.68
8.1.40.0000.00817.58
8.1.30.0000.00817.85
8.1.20.0040.00417.80
8.1.10.0050.00317.80
8.1.00.0060.00317.63
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0040.00418.40
8.0.270.0040.00417.16
8.0.260.0060.00017.33
8.0.250.0000.00717.11
8.0.240.0000.00717.18
8.0.230.0040.00416.99
8.0.220.0000.00717.06
8.0.210.0030.00316.96
8.0.200.0030.00317.00
8.0.190.0000.00717.08
8.0.180.0040.00416.99
8.0.170.0000.00817.09
8.0.160.0030.00517.06
8.0.150.0000.00716.90
8.0.140.0060.00317.04
8.0.130.0030.00313.48
8.0.120.0040.00417.11
8.0.110.0040.00417.11
8.0.100.0000.00816.95
8.0.90.0040.00416.94
8.0.80.0100.00717.02
8.0.70.0040.00416.95
8.0.60.0080.00016.87
8.0.50.0000.00716.85
8.0.30.0060.01217.42
8.0.20.0090.00917.40
8.0.10.0040.00417.14
8.0.00.0100.00717.05
7.4.330.0050.00015.00
7.4.320.0030.00316.86
7.4.300.0030.00316.84
7.4.290.0000.00716.80
7.4.280.0050.00316.73
7.4.270.0000.00816.79
7.4.260.0000.00716.82
7.4.250.0040.00416.70
7.4.240.0020.00516.85
7.4.230.0040.00416.84
7.4.220.0100.00716.84
7.4.210.0080.00616.77
7.4.200.0070.00016.90
7.4.190.0070.00016.73
7.4.160.0070.01016.73
7.4.150.0060.01217.40
7.4.140.0130.00817.86
7.4.130.0120.00616.62
7.4.120.0140.00616.86
7.4.110.0100.00716.71
7.4.100.0100.00716.95
7.4.90.0100.01016.86
7.4.80.0160.00619.39
7.4.70.0080.00816.52
7.4.60.0110.00716.54
7.4.50.0000.00816.64
7.4.40.0070.01016.72
7.4.30.0100.00716.64
7.4.00.0070.01015.16
7.3.330.0020.00213.46
7.3.320.0030.00313.41
7.3.310.0000.00716.36
7.3.300.0000.00716.38
7.3.290.0060.01016.34
7.3.280.0110.01016.35
7.3.270.0150.00317.40
7.3.260.0070.01016.59
7.3.250.0100.01016.66
7.3.240.0100.00616.59
7.3.230.0130.00316.61
7.3.210.0060.01016.44
7.3.200.0080.00819.39
7.3.190.0080.00816.52
7.3.180.0070.01016.75
7.3.170.0030.01416.59
7.3.160.0000.01516.41
7.3.120.0040.01114.91
7.3.10.0030.00716.62
7.3.00.0120.00316.77
7.2.330.0130.00917.00
7.2.320.0060.01217.05
7.2.310.0060.01216.86
7.2.300.0070.01116.79
7.2.290.0040.01216.68
7.2.130.0070.00716.99
7.2.120.0050.00517.13
7.2.110.0030.00917.05
7.2.100.0090.00617.06
7.2.90.0090.00016.96
7.2.80.0070.00716.75
7.2.70.0030.00917.07
7.2.60.0060.00516.93
7.2.50.0020.00817.25
7.2.40.0030.01016.90
7.2.30.0030.00617.14
7.2.20.0030.00917.09
7.2.10.0070.00717.14
7.2.00.0090.00617.13
7.1.250.0030.00615.68
7.1.200.0030.00615.95
7.1.70.0000.01017.51
7.1.60.0100.01419.46
7.1.50.0360.00034.86
7.1.00.0000.08022.47
7.0.200.0070.00316.96
7.0.140.0030.07321.95
7.0.60.0070.09020.04
7.0.50.0070.08017.88
7.0.40.0100.08320.25
7.0.30.0330.06720.28
7.0.20.0170.05020.11
7.0.10.0070.07720.25
7.0.00.0000.06720.27
5.6.280.0030.07320.90
5.6.210.0100.07320.52
5.6.200.0030.08718.19
5.6.190.0100.03720.39
5.6.180.0130.05320.41
5.6.170.0230.04320.55
5.6.160.0070.04720.39
5.6.150.0100.03318.13
5.6.140.0170.07018.29
5.6.130.0100.07718.18
5.6.120.0170.08021.00
5.6.110.0070.06021.00
5.6.100.0070.08721.12
5.6.90.0100.08720.98
5.6.80.0100.07320.42
5.5.350.4100.04020.48
5.5.340.0100.07718.04
5.5.330.0100.08720.34
5.5.320.0270.08020.19
5.5.310.0370.07320.51
5.5.300.0030.05718.04
5.5.290.0030.04017.93
5.5.280.0030.04020.89
5.5.270.0100.05320.85
5.5.260.0100.06720.99
5.5.250.0100.08320.70
5.5.240.0000.03320.27
5.4.450.0200.06019.40
5.4.440.0200.06319.50
5.4.430.1070.06719.39
5.4.420.0900.08019.64
5.4.410.1000.06719.16
5.4.400.1130.07319.07
5.4.390.0970.05319.29
5.4.380.0100.07318.75
5.4.370.0170.05018.71
5.4.360.0230.04318.52
5.4.350.0170.05018.73
5.4.340.0100.05718.62
5.4.320.0080.03512.52
5.4.310.0050.03912.51
5.4.300.0050.03712.51
5.4.290.0150.06412.51
5.4.280.0160.06412.41
5.4.270.0120.05412.41
5.4.260.0100.06712.41
5.4.250.0220.10212.40
5.4.240.0120.05212.41
5.4.230.0120.05312.40
5.4.220.0160.06812.40
5.4.210.0070.04312.40
5.4.200.0090.05412.40
5.4.190.0070.05412.39
5.4.180.0100.05212.39
5.4.170.0090.05412.41
5.4.160.0140.05112.40
5.4.150.0070.04312.39
5.4.140.0080.04412.08
5.4.130.0090.03512.07
5.4.120.0100.05612.02
5.4.110.0140.03712.02
5.4.100.0100.04712.02
5.4.90.0090.05312.02
5.4.80.0120.05412.02
5.4.70.0100.04612.02
5.4.60.0060.05312.02
5.4.50.0140.04812.02
5.4.40.0100.05012.01
5.4.30.0070.04212.00
5.4.20.0090.04312.00
5.4.10.0100.04612.00
5.4.00.0110.05111.49
5.3.290.0090.03712.80
5.3.280.0160.07412.71
5.3.270.0120.04712.72
5.3.260.0070.04512.73
5.3.250.0160.06112.72
5.3.240.0120.06012.72
5.3.230.0140.04112.71
5.3.220.0070.04112.68
5.3.210.0090.04312.68
5.3.200.0160.06112.68
5.3.190.0340.08312.68
5.3.180.0250.06612.68
5.3.170.0120.05612.67
5.3.160.0140.06712.68
5.3.150.0110.05512.68
5.3.140.0110.04012.66
5.3.130.0060.04712.65
5.3.120.0040.04712.66
5.3.110.0080.05112.66
5.3.100.0110.04612.14
5.3.90.0080.05712.12
5.3.80.0080.05112.13
5.3.70.0130.08012.13
5.3.60.0120.05712.11
5.3.50.0120.05112.06
5.3.40.0140.05012.05
5.3.30.0170.10012.01
5.3.20.0050.04411.79
5.3.10.0130.05611.76
5.3.00.0090.05411.75
5.2.170.0050.0489.21
5.2.160.0110.0589.21
5.2.150.0150.0419.21
5.2.140.0080.0389.21
5.2.130.0100.0369.18
5.2.120.0090.0279.17
5.2.110.0060.0319.18
5.2.100.0040.0319.18
5.2.90.0120.0479.18
5.2.80.0100.0509.18
5.2.70.0090.0429.17
5.2.60.0070.0349.13
5.2.50.0150.0499.09
5.2.40.0060.0399.07
5.2.30.0090.0409.05
5.2.20.0090.0399.05
5.2.10.0060.0418.95
5.2.00.0080.0538.81
5.1.60.0070.0348.09
5.1.50.0080.0348.08
5.1.40.0040.0378.07
5.1.30.0050.0388.42
5.1.20.0080.0378.44
5.1.10.0130.0628.16
5.1.00.0050.0358.16
5.0.50.0020.0256.64
5.0.40.0080.0246.50
5.0.30.0070.0366.31
5.0.20.0030.0276.28
5.0.10.0060.0446.26
5.0.00.0040.0426.25
4.4.90.0050.0154.78
4.4.80.0080.0194.75
4.4.70.0060.0174.75
4.4.60.0110.0274.75
4.4.50.0050.0264.77
4.4.40.0020.0304.71
4.4.30.0020.0194.76
4.4.20.0050.0364.84
4.4.10.0040.0454.85
4.4.00.0110.0494.76
4.3.110.0050.0254.67
4.3.100.0060.0224.66
4.3.90.0050.0214.63
4.3.80.0060.0434.59
4.3.70.0050.0364.63
4.3.60.0000.0454.63
4.3.50.0050.0224.63
4.3.40.0030.0364.54
4.3.30.0050.0243.30
4.3.20.0050.0253.28
4.3.10.0060.0203.24
4.3.00.0000.0277.09

preferences:
50.34 ms | 400 KiB | 5 Q