3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ConvertToAPICase($str) { return preg_replace_callback('/^([a-z]{1})|(-([\w]{1}))/g', function($matches) { return strtoupper($matches[1]); }, $str); } function ConvertToJSCase($str) { $str = preg_replace_callback('/([A-Z]+)/g', function($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)
8.3.70.0120.00417.13
8.3.60.0110.00718.80
8.3.50.0080.01022.08
8.3.40.0090.00618.76
8.3.30.0090.00619.13
8.3.20.0070.00020.34
8.3.10.0030.00523.59
8.3.00.0070.00319.08
8.2.180.0120.00318.66
8.2.170.0060.00922.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00420.60
8.2.110.0100.00021.03
8.2.100.0070.00418.03
8.2.90.0030.00618.09
8.2.80.0040.00417.97
8.2.70.0060.00617.63
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00419.95
8.2.30.0000.00718.17
8.2.20.0050.00317.95
8.2.10.0040.00418.02
8.2.00.0040.00417.87
8.1.280.0070.01025.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0120.00022.35
8.1.230.0090.00320.93
8.1.220.0060.00317.74
8.1.210.0040.00418.84
8.1.200.0000.00917.38
8.1.190.0040.00417.47
8.1.180.0030.00619.13
8.1.170.0040.00418.71
8.1.160.0000.00721.93
8.1.150.0060.00618.85
8.1.140.0040.00417.53
8.1.130.0040.00417.86
8.1.120.0000.00717.69
8.1.110.0040.00417.51
8.1.100.0000.00717.59
8.1.90.0000.00817.64
8.1.80.0040.00417.50
8.1.70.0040.00417.51
8.1.60.0030.00617.73
8.1.50.0080.00017.65
8.1.40.0040.00417.67
8.1.30.0090.00017.82
8.1.20.0060.00317.80
8.1.10.0050.00317.73
8.1.00.0030.00517.59
8.0.300.0030.00619.90
8.0.290.0000.00717.05
8.0.280.0000.00718.46
8.0.270.0080.00017.27
8.0.260.0060.00017.29
8.0.250.0030.00317.21
8.0.240.0070.00017.16
8.0.230.0000.00716.99
8.0.220.0030.00317.09
8.0.210.0030.00317.03
8.0.200.0040.00417.18
8.0.190.0030.00417.13
8.0.180.0050.00217.19
8.0.170.0050.00317.10
8.0.160.0000.00716.93
8.0.150.0040.00417.07
8.0.140.0030.00517.05
8.0.130.0060.00013.58
8.0.120.0000.00817.18
8.0.110.0030.00617.10
8.0.100.0080.00017.11
8.0.90.0050.00217.18
8.0.80.0060.01017.01
8.0.70.0070.00016.99
8.0.60.0000.00717.05
8.0.50.0040.00417.18
8.0.30.0130.00617.14
8.0.20.0090.00917.54
8.0.10.0070.00017.16
8.0.00.0090.00917.11
7.4.330.0000.00515.05
7.4.320.0060.00016.79
7.4.300.0000.00616.73
7.4.290.0000.00716.72
7.4.280.0090.00016.71
7.4.270.0000.00716.70
7.4.260.0040.00416.73
7.4.250.0050.00316.80
7.4.240.0020.00516.77
7.4.230.0000.00716.80
7.4.220.0040.01316.68
7.4.210.0060.00816.74
7.4.200.0070.00016.83
7.4.190.0000.00716.92
7.4.160.0090.00916.86
7.4.150.0080.01117.40
7.4.140.0130.00817.86
7.4.130.0080.01316.68
7.4.120.0080.00916.83
7.4.110.0190.00416.77
7.4.100.0120.00916.83
7.4.90.0080.00816.73
7.4.80.0030.01619.39
7.4.70.0000.01716.89
7.4.60.0100.00716.58
7.4.50.0080.00016.70
7.4.40.0110.00516.64
7.4.30.0090.00616.82
7.4.10.0100.01015.21
7.4.00.0020.01415.11
7.3.330.0050.00013.41
7.3.320.0050.00013.43
7.3.310.0030.00516.36
7.3.300.0050.00216.32
7.3.290.0070.00716.46
7.3.280.0110.00716.42
7.3.270.0070.01117.40
7.3.260.0100.00716.59
7.3.250.0100.01116.79
7.3.240.0070.01016.72
7.3.230.0060.01216.57
7.3.210.0100.00716.51
7.3.200.0100.00719.39
7.3.190.0070.01016.69
7.3.180.0120.00416.53
7.3.170.0050.01016.61
7.3.160.0120.00416.56
7.3.130.0070.01315.21
7.3.120.0090.00814.79
7.3.110.0060.00815.20
7.3.100.0080.00614.89
7.3.90.0040.00914.76
7.3.80.0030.00815.15
7.3.70.0060.00514.97
7.3.60.0060.01014.84
7.3.50.0060.00714.91
7.3.40.0070.00714.93
7.3.30.0080.00215.03
7.3.20.0090.00516.75
7.3.10.0060.00916.80
7.3.00.0080.00716.74
7.2.330.0070.01416.63
7.2.320.0090.01416.86
7.2.310.0090.01216.83
7.2.300.0100.00616.82
7.2.290.0140.00416.86
7.2.260.0000.01915.27
7.2.250.0100.01015.38
7.2.240.0070.00915.17
7.2.230.0060.01115.14
7.2.220.0110.00215.10
7.2.210.0070.00815.01
7.2.200.0080.00815.17
7.2.190.0070.00815.18
7.2.180.0070.00415.24
7.2.170.0050.00915.27
7.2.160.0060.00815.31
7.2.150.0100.00517.06
7.2.140.0050.00817.13
7.2.130.0060.00816.79
7.2.120.0080.00617.05
7.2.110.0070.00717.03
7.2.100.0100.00417.09
7.2.90.0060.00917.03
7.2.80.0020.01016.93
7.2.70.0060.00516.98
7.2.60.0060.00917.08
7.2.50.0060.00816.96
7.2.40.0070.00617.04
7.2.30.0100.00416.90
7.2.20.0060.00616.97
7.2.10.0070.00616.97
7.2.00.0060.00717.75
7.1.330.0040.01015.61
7.1.320.0050.00915.98
7.1.310.0060.00815.77
7.1.300.0080.01015.79
7.1.290.0090.00515.76
7.1.280.0050.00616.01
7.1.270.0110.00516.02
7.1.260.0060.00515.71
7.1.250.0070.00715.76
7.1.240.0100.00315.94
7.1.230.0080.00215.96
7.1.220.0070.00815.60
7.1.210.0080.00515.80
7.1.200.0070.00715.65
7.1.190.0050.00815.96
7.1.180.0030.01015.80
7.1.170.0050.00815.63
7.1.160.0020.00816.04
7.1.150.0060.00715.87
7.1.140.0060.00315.85
7.1.130.0040.00715.96
7.1.120.0050.00615.69
7.1.110.0050.00715.97
7.1.100.0110.00816.68
7.1.90.0080.00415.70
7.1.80.0060.00415.89
7.1.70.0070.00616.36
7.1.60.0060.01117.03
7.1.50.0100.00822.12
7.1.40.0050.00815.92
7.1.30.0050.00615.72
7.1.20.0070.00416.02
7.1.10.0080.00515.78
7.1.00.0050.02818.07
7.0.330.0050.00715.38
7.0.320.0080.01015.45
7.0.310.0130.00515.63
7.0.300.0100.00615.42
7.0.290.0060.00615.36
7.0.280.0020.01415.44
7.0.270.0070.00315.40
7.0.260.0060.00815.56
7.0.250.0060.00815.30
7.0.240.0030.01015.36
7.0.230.0050.00815.45
7.0.220.0040.00815.51
7.0.210.0020.01015.29
7.0.200.0060.00715.87
7.0.190.0100.00515.48
7.0.180.0040.00815.48
7.0.170.0060.00615.54
7.0.160.0040.00715.49
7.0.150.0060.00615.41
7.0.140.0080.02617.55
7.0.130.0040.00715.53
7.0.120.0030.00615.39
7.0.110.0060.00515.41
7.0.100.0060.00415.28
7.0.90.0050.00815.44
7.0.80.0030.01015.66
7.0.70.0040.00615.37
7.0.60.0040.03117.08
7.0.50.0070.02216.46
7.0.40.0060.03615.67
7.0.30.0140.02315.78
7.0.20.0160.03015.76
7.0.10.0060.03115.78
7.0.00.0040.02115.83
5.6.400.0040.01114.32
5.6.390.0030.00914.30
5.6.380.0040.01014.30
5.6.370.0080.00614.40
5.6.360.0090.00514.64
5.6.350.0070.00614.12
5.6.340.0080.00514.09
5.6.330.0090.00614.60
5.6.320.0080.00314.59
5.6.310.0040.00614.53
5.6.300.0090.00214.36
5.6.290.0050.00514.37
5.6.280.0070.02616.42
5.6.270.0040.00514.32
5.6.260.0040.00614.42
5.6.250.0000.01414.29
5.6.240.0080.00514.28
5.6.230.0050.00514.35
5.6.220.0030.01014.38
5.6.210.0060.03116.35
5.6.200.0050.03215.54
5.6.190.0050.02016.35
5.6.180.0110.02916.29
5.6.170.0140.03016.29
5.6.160.0060.03116.25
5.6.150.0050.01915.56
5.6.140.0060.03415.64
5.6.130.0080.03015.56
5.6.120.0020.03416.47
5.6.110.0060.03216.58
5.6.100.0100.03216.66
5.6.90.0060.03116.55
5.6.80.0050.03216.22
5.6.70.0060.00714.29
5.6.60.0040.00814.04
5.6.50.0070.00814.38
5.6.40.0050.01014.27
5.6.30.0070.00514.19
5.6.20.0050.00814.04
5.6.10.0020.01214.28
5.6.00.0070.00714.06
5.5.380.0070.00712.82
5.5.370.0060.00612.79
5.5.360.0060.00612.51
5.5.350.1350.01815.28
5.5.340.0050.03014.41
5.5.330.0040.01615.22
5.5.320.0120.03215.34
5.5.310.0130.02415.11
5.5.300.0060.02714.45
5.5.290.0010.02214.47
5.5.280.0090.01515.41
5.5.270.0080.01715.52
5.5.260.0070.02915.16
5.5.250.0070.03215.31
5.5.240.0040.01515.19
5.5.230.0030.00812.57
5.5.220.0040.00812.55
5.5.210.0050.00812.64
5.5.200.0090.00312.71
5.5.190.0050.00612.53
5.5.180.0040.00912.61
5.5.170.0050.00612.52
5.5.160.0060.00612.51
5.5.150.0080.00312.50
5.5.140.0050.01012.51
5.5.130.0030.00912.61
5.5.120.0020.01012.47
5.5.110.0070.00412.63
5.5.100.0030.00612.45
5.5.90.0060.00612.61
5.5.80.0010.01112.59
5.5.70.0040.00812.57
5.5.60.0050.00812.60
5.5.50.0020.01012.73
5.5.40.0060.00412.57
5.5.30.0050.00412.53
5.5.20.0060.00612.65
5.5.10.0000.01312.60
5.5.00.0050.00512.73
5.4.450.0090.02513.80
5.4.440.0090.02613.86
5.4.430.0320.02313.82
5.4.420.0370.02013.88
5.4.410.0110.02413.69
5.4.400.0130.01713.63
5.4.390.0140.01913.68
5.4.380.0080.02613.53
5.4.370.0110.01813.51
5.4.360.0100.02013.52
5.4.350.0070.02113.61
5.4.340.0070.01913.59
5.4.330.0040.00610.99
5.4.320.0060.01611.51
5.4.310.0030.01711.55
5.4.300.0040.01711.44
5.4.290.0070.02311.50
5.4.280.0040.02211.52
5.4.270.0060.02211.48
5.4.260.0080.02011.45
5.4.250.0050.01611.49
5.4.240.0050.02111.42
5.4.230.0060.02511.45
5.4.220.0080.01911.50
5.4.210.0080.02111.51
5.4.200.0060.02511.41
5.4.190.0040.02811.54
5.4.180.0050.02311.43
5.4.170.0060.02511.52
5.4.160.0040.02011.47
5.4.150.0050.01911.53
5.4.140.0040.01711.29
5.4.130.0050.02011.38
5.4.120.0050.01811.38
5.4.110.0040.01911.31
5.4.100.0020.01911.50
5.4.90.0080.02011.42
5.4.80.0040.02411.38
5.4.70.0050.02011.34
5.4.60.0060.01811.38
5.4.50.0050.02311.49
5.4.40.0060.01911.42
5.4.30.0050.02311.43
5.4.20.0070.02211.35
5.4.10.0040.01811.45
5.4.00.0060.01511.22
5.3.290.0070.01511.53
5.3.280.0080.01711.50
5.3.270.0070.02011.51
5.3.260.0050.02611.51
5.3.250.0050.02511.51
5.3.240.0050.02711.51
5.3.230.0060.02511.50
5.3.220.0070.01811.49
5.3.210.0070.02211.49
5.3.200.0040.02311.49
5.3.190.0030.02811.49
5.3.180.0060.02811.49
5.3.170.0050.02511.49
5.3.160.0060.02211.49
5.3.150.0060.01611.49
5.3.140.0060.02011.49
5.3.130.0050.02211.49
5.3.120.0070.02111.49
5.3.110.0040.02411.49
5.3.100.0020.02411.31
5.3.90.0060.02211.30
5.3.80.0030.02111.30
5.3.70.0050.02111.30
5.3.60.0020.02311.30
5.3.50.0030.02011.28
5.3.40.0050.01811.28
5.3.30.0070.01411.27
5.3.20.0020.02211.20
5.3.10.0070.01611.18
5.3.00.0050.01811.18
5.2.170.0050.01710.06
5.2.160.0050.01610.06
5.2.150.0050.01910.05
5.2.140.0030.02510.06
5.2.130.0070.02510.04
5.2.120.0030.01910.04
5.2.110.0060.01610.04
5.2.100.0030.02510.04
5.2.90.0050.02610.04
5.2.80.0060.02310.03
5.2.70.0070.02310.04
5.2.60.0080.01810.01
5.2.50.0040.0219.99
5.2.40.0070.0179.98
5.2.30.0050.0189.97
5.2.20.0070.0199.97
5.2.10.0050.0219.92
5.2.00.0070.0209.85
5.1.60.0050.0229.49
5.1.50.0040.0219.49
5.1.40.0030.0239.48
5.1.30.0060.0229.66
5.1.20.0050.0239.67
5.1.10.0050.0209.53
5.1.00.0040.0239.53
5.0.50.0060.0168.77
5.0.40.0040.0158.70
5.0.30.0050.0218.61
5.0.20.0040.0148.59
5.0.10.0040.0168.58
5.0.00.0040.0218.58
4.4.90.0020.0127.84
4.4.80.0040.0127.82
4.4.70.0040.0127.83
4.4.60.0040.0137.83
4.4.50.0020.0157.84
4.4.40.0060.0197.80
4.4.30.0040.0117.83
4.4.20.0040.0107.87
4.4.10.0020.0127.87
4.4.00.0020.0177.83
4.3.110.0020.0117.78
4.3.100.0040.0097.78
4.3.90.0020.0147.77
4.3.80.0050.0177.74
4.3.70.0010.0147.76
4.3.60.0020.0137.76
4.3.50.0020.0127.76
4.3.40.0040.0167.72
4.3.30.0020.0137.10
4.3.20.0020.0147.09
4.3.10.0040.0157.07
4.3.00.0060.0129.00

preferences:
40.66 ms | 401 KiB | 5 Q