3v4l.org

run code in 300+ PHP versions simultaneously
<?php function snakeToCamel($string) { $words = explode('_', $string); $camel = ''; foreach ($words as $word) { $camel .= ucfirst($word); } return $camel; } /** * underdash_separated -> camelCase. * @param string * @return string */ function underdashToCamel($s) { $s = strtolower($s); $s = preg_replace('#_(?=[a-z])#', ' ', $s); $s = substr(ucwords('x' . $s), 1); $s = str_replace(' ', '', $s); return $s; } echo snakeToCamel("ahoj_vole_todle_1_je_PECKE__") . "\n"; echo underdashToCamel("ahoj_vole_todle_1_je_PECKE__") . "\n";

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)
8.3.40.0120.00318.83
8.3.30.0120.00319.08
8.3.20.0000.00720.29
8.3.10.0000.00821.85
8.3.00.0050.00319.20
8.2.170.0120.00318.99
8.2.160.0130.00722.96
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0140.00326.16
8.2.120.0040.00419.79
8.2.110.0030.00720.29
8.2.100.0040.00718.16
8.2.90.0110.00019.17
8.2.80.0000.00817.97
8.2.70.0030.00517.61
8.2.60.0000.00818.05
8.2.50.0070.00418.07
8.2.40.0000.00718.28
8.2.30.0070.00019.58
8.2.20.0080.00017.96
8.2.10.0040.00418.03
8.2.00.0040.00417.88
8.1.270.0030.00618.80
8.1.260.0110.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.98
8.1.230.0040.00819.11
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0100.00317.47
8.1.190.0060.00317.21
8.1.180.0030.00618.10
8.1.170.0030.00518.77
8.1.160.0080.00022.00
8.1.150.0000.00718.82
8.1.140.0030.00617.52
8.1.130.0040.00417.72
8.1.120.0030.00317.64
8.1.110.0050.00317.51
8.1.100.0000.00717.66
8.1.90.0000.00717.63
8.1.80.0050.00217.60
8.1.70.0050.00217.57
8.1.60.0050.00617.77
8.1.50.0000.00817.69
8.1.40.0030.00917.68
8.1.30.0040.00417.81
8.1.20.0040.00417.74
8.1.10.0040.00417.64
8.1.00.0040.00417.67
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0030.00618.39
8.0.270.0030.00317.36
8.0.260.0070.00017.22
8.0.250.0000.00717.13
8.0.240.0000.00617.12
8.0.230.0000.00717.06
8.0.220.0030.00317.05
8.0.210.0030.00316.99
8.0.200.0030.00317.11
8.0.190.0000.00917.13
8.0.180.0040.00417.13
8.0.170.0050.00316.89
8.0.160.0070.00017.01
8.0.150.0040.00417.03
8.0.140.0040.00416.89
8.0.130.0030.00313.40
8.0.120.0080.00017.03
8.0.110.0040.00417.07
8.0.100.0040.00416.91
8.0.90.0050.00316.95
8.0.80.0090.01316.96
8.0.70.0040.00417.06
8.0.60.0040.00416.95
8.0.50.0050.00317.11
8.0.30.0190.00617.20
8.0.20.0120.01217.55
8.0.10.0000.00717.19
8.0.00.0100.00716.81
7.4.330.0030.00315.07
7.4.320.0060.00016.73
7.4.300.0030.00316.64
7.4.290.0000.00716.82
7.4.280.0000.00716.79
7.4.270.0030.00316.67
7.4.260.0000.00816.77
7.4.250.0050.00316.64
7.4.240.0020.00516.69
7.4.230.0030.00316.77
7.4.220.0060.01516.90
7.4.210.0090.01116.73
7.4.200.0030.00316.71
7.4.160.0030.01216.60
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0070.01016.78
7.4.120.0050.01216.78
7.4.110.0170.00916.77
7.4.100.0100.00716.55
7.4.90.0130.00316.73
7.4.80.0060.01319.39
7.4.70.0060.01016.79
7.4.60.0140.00316.64
7.4.50.0060.00316.71
7.4.40.0100.00616.59
7.4.30.0120.00916.64
7.4.00.0070.01014.89
7.3.330.0020.00313.45
7.3.320.0000.00513.45
7.3.310.0040.00416.45
7.3.300.0000.00716.50
7.3.290.0000.00716.31
7.3.280.0070.00916.42
7.3.270.0130.00917.40
7.3.260.0070.01016.55
7.3.250.0070.01016.70
7.3.240.0120.00616.49
7.3.230.0090.01216.50
7.3.210.0030.01316.81
7.3.200.0100.00619.39
7.3.190.0080.00816.72
7.3.180.0100.00616.77
7.3.170.0210.00216.52
7.3.160.0160.00616.55
7.3.120.0130.00614.62
7.3.110.0090.00915.12
7.3.100.0090.00614.93
7.3.90.0060.00915.23
7.3.80.0060.00914.96
7.3.70.0040.01415.00
7.3.60.0030.00615.13
7.3.50.0100.00315.07
7.3.40.0060.00915.20
7.3.30.0100.00715.10
7.3.20.0080.00416.86
7.3.10.0300.00816.00
7.3.00.0360.00716.01
7.2.330.0030.01416.94
7.2.320.0000.01716.99
7.2.310.0120.00816.93
7.2.300.0060.01016.75
7.2.290.0040.01416.94
7.2.250.0060.01315.46
7.2.240.0070.01015.31
7.2.230.0030.01415.46
7.2.220.0040.01415.21
7.2.210.0030.01215.34
7.2.200.0030.01615.21
7.2.190.0000.01415.25
7.2.180.0000.00915.38
7.2.170.0030.01015.23
7.2.130.0900.01215.95
7.2.120.0540.00515.99
7.2.110.0470.00715.92
7.2.100.0590.00916.07
7.2.90.0580.00515.72
7.2.80.0620.00215.75
7.2.70.0410.00616.07
7.2.60.0450.00815.76
7.2.50.0570.00815.86
7.2.40.0590.00915.81
7.2.30.0350.00916.07
7.2.20.0490.00615.93
7.2.10.0350.00516.04
7.2.00.0210.00917.29
7.1.330.0070.00715.86
7.1.320.0050.00915.76
7.1.310.0110.00415.86
7.1.300.0140.00016.01
7.1.290.0040.01115.70
7.1.280.0110.00315.81
7.1.270.0030.00915.64
7.1.260.0060.00316.10
7.1.250.0560.01014.91
7.1.240.1550.00013.98
7.1.230.0840.01114.20
7.1.220.1130.00313.77
7.1.210.1520.00714.06
7.1.200.0680.02214.28
7.1.190.0700.02014.04
7.1.180.0850.00714.19
7.1.170.0900.01014.15
7.1.160.0690.01014.17
7.1.150.0820.00714.20
7.1.140.0790.01014.16
7.1.130.0540.00914.16
7.1.120.0610.01414.22
7.1.110.0630.01313.96
7.1.100.0340.00316.12
7.1.90.0650.01014.16
7.1.80.0470.01714.20
7.1.70.0250.01115.68
7.1.60.0270.01316.88
7.1.50.0280.01415.64
7.1.40.0580.00413.85
7.1.30.0580.00614.23
7.1.20.0350.01914.15
7.1.10.0460.00714.18
7.1.00.0240.04218.18
7.0.330.1270.01013.71
7.0.320.1090.00813.67
7.0.310.0790.01713.93
7.0.300.0640.00313.79
7.0.290.0720.00913.57
7.0.280.0700.01313.53
7.0.270.0520.00613.40
7.0.260.0620.01013.84
7.0.250.0600.01613.87
7.0.240.0560.01213.66
7.0.230.0630.01913.80
7.0.220.2670.00713.88
7.0.210.0470.00713.59
7.0.200.0300.00815.34
7.0.190.0590.00713.45
7.0.180.0530.00713.80
7.0.170.0370.00713.64
7.0.160.0590.00013.81
7.0.150.1160.00313.93
7.0.140.0340.04117.82
7.0.130.0500.01313.73
7.0.120.0620.00713.82
7.0.110.0700.00713.60
7.0.100.0710.01113.89
7.0.90.0600.00713.73
7.0.80.0730.01213.50
7.0.70.0350.01113.89
7.0.60.0280.04816.87
7.0.50.0300.04315.97
7.0.40.0300.03816.95
7.0.30.0480.03517.01
7.0.20.0330.03016.93
7.0.10.0190.05117.10
7.0.00.0240.02516.96
5.6.380.0100.01214.55
5.6.370.0030.02314.54
5.6.360.0100.01314.57
5.6.350.0140.00914.63
5.6.340.0170.01314.59
5.6.330.0240.00314.28
5.6.320.0280.00314.59
5.6.310.0130.01014.48
5.6.300.0120.01514.17
5.6.290.0220.01314.60
5.6.280.0110.04417.75
5.6.270.0040.02314.12
5.6.260.0050.01514.35
5.6.250.0150.01114.42
5.6.240.0190.00614.29
5.6.230.0150.01514.33
5.6.220.0170.00914.49
5.6.210.0120.03517.45
5.6.200.0080.04616.29
5.6.190.0100.04917.38
5.6.180.0280.02517.51
5.6.170.0190.04417.49
5.6.160.0050.02517.43
5.6.150.0080.05016.19
5.6.140.0100.04916.36
5.6.130.0140.04216.31
5.6.120.0140.05017.93
5.6.110.0130.04117.72
5.6.100.0070.04517.60
5.6.90.0080.03617.70
5.6.80.0050.02517.25
5.6.70.0140.01014.02
5.6.60.0240.00714.14
5.6.50.0200.01114.47
5.6.40.0170.01214.48
5.6.30.0160.01214.18
5.6.20.0170.00614.38
5.6.10.0110.00914.09
5.6.00.0130.00614.45
5.5.380.0090.00611.01
5.5.370.0160.00310.96
5.5.360.0080.00611.46
5.5.350.0170.03515.80
5.5.340.0090.02114.40
5.5.330.0120.04715.85
5.5.320.0220.04815.87
5.5.310.0190.02915.75
5.5.300.0080.04514.58
5.5.290.0090.02614.76
5.5.280.0070.03315.88
5.5.270.0080.04615.92
5.5.260.0120.04616.05
5.5.250.0120.04215.90
5.5.240.0050.02415.76
5.5.230.0180.00711.18
5.5.220.0140.00811.38
5.5.210.0120.00911.32
5.5.200.0180.00511.07
5.5.190.0110.00511.19
5.5.180.0090.00511.31
5.5.170.0070.00511.01
5.5.160.0070.00311.21
5.5.150.0080.00311.07
5.5.140.0130.00711.35
5.5.130.0110.00311.03
5.5.120.0050.01011.09
5.5.110.0070.01011.13
5.5.100.0140.00011.03
5.5.90.0150.00411.15
5.5.80.0090.00311.22
5.5.70.0180.00411.17
5.5.60.0030.01111.17
5.5.50.0130.00711.27
5.5.40.0110.00410.79
5.5.30.0090.00311.29
5.5.20.0120.00611.30
5.5.10.0090.00611.09
5.5.00.0090.00311.21
5.4.450.0160.03215.30
5.4.440.0130.03015.24
5.4.430.0170.03315.45
5.4.420.0120.04515.43
5.4.410.0110.03115.37
5.4.400.0130.02915.19
5.4.390.0200.02714.88
5.4.380.0200.03814.89
5.4.370.0190.02614.86
5.4.360.0220.02814.90
5.4.350.0180.02514.94
5.4.340.0080.03814.98
5.4.330.0030.00911.12
5.4.320.0190.02914.99
5.4.310.0130.02814.86
5.4.300.0170.02514.93
5.4.290.0120.03214.88
5.4.280.0140.03314.89
5.4.270.0190.02514.81
5.4.260.0140.02914.94
5.4.250.0140.03214.82
5.4.240.0180.02314.79
5.4.230.0170.03215.08
5.4.220.0070.03514.74
5.4.210.0210.02714.75
5.4.200.0080.03713.94
5.4.190.0230.03314.81
5.4.180.0170.02614.93
5.4.170.0190.03314.91
5.4.160.0160.02814.87
5.4.150.0080.03214.84
5.4.140.0140.03713.71
5.4.130.0170.02313.55
5.4.120.0120.03913.76
5.4.110.0110.03613.81
5.4.100.0110.03013.72
5.4.90.0100.03213.75
5.4.80.0160.03113.71
5.4.70.0080.03913.77
5.4.60.0160.03613.68
5.4.50.0210.03213.69
5.4.40.0130.03613.76
5.4.30.0100.04013.59
5.4.20.0240.03213.77
5.4.10.0100.03313.78
5.4.00.0120.02713.45
5.3.290.0200.02912.79
5.3.280.0110.03412.55
5.3.270.0150.03012.58
5.3.260.0160.02612.62
5.3.250.0180.03212.73
5.3.240.0180.02812.52
5.3.230.0130.03512.68
5.3.220.0130.03312.54
5.3.210.0080.03512.60
5.3.200.0130.02912.64
5.3.190.0120.03012.66
5.3.180.0090.03612.73
5.3.170.0100.03212.70
5.3.160.0170.03012.68
5.3.150.0200.02212.65
5.3.140.0140.04312.64
5.3.130.0130.04512.72
5.3.120.0260.03212.71
5.3.110.0110.04112.66
5.3.100.0120.04112.39
5.3.90.0130.03812.44
5.3.80.0210.02912.45
5.3.70.0190.03712.28
5.3.60.0140.03612.37
5.3.50.0150.03412.21
5.3.40.0210.02212.31
5.3.30.0110.02712.28
5.3.20.0120.02712.08
5.3.10.0090.03011.97
5.3.00.0160.02311.92
5.2.170.0150.01810.24
5.2.160.0130.02110.38
5.2.150.0130.02310.38
5.2.140.0070.02510.24
5.2.130.0080.03010.37
5.2.120.0080.02810.35
5.2.110.0120.02310.33
5.2.100.0100.02710.31
5.2.90.0080.03010.34
5.2.80.0070.02710.27
5.2.70.0070.02510.29
5.2.60.0060.02710.25
5.2.50.0120.02110.29
5.2.40.0110.02110.29
5.2.30.0090.02310.12
5.2.20.0080.02810.06
5.2.10.0140.0179.97
5.2.00.0110.0239.89
5.1.60.0110.0209.59
5.1.50.0110.0249.55
5.1.40.0100.0269.59
5.1.30.0090.0269.73
5.1.20.0090.0259.73
5.1.10.0090.0249.55
5.1.00.0090.0229.64
5.0.50.0030.0208.79
5.0.40.0050.0188.80
5.0.30.0070.0248.62
5.0.20.0050.0218.62
5.0.10.0070.0158.68
5.0.00.0060.0258.67
4.4.90.0020.0167.44
4.4.80.0080.0157.48
4.4.70.0020.0157.43
4.4.60.0070.0147.49
4.4.50.0030.0137.46
4.4.40.0080.0207.46
4.4.30.0080.0127.44
4.4.20.0060.0107.48
4.4.10.0020.0197.47
4.4.00.0060.0237.46
4.3.110.0020.0137.41
4.3.100.0070.0127.42
4.3.90.0050.0137.42
4.3.80.0110.0167.41
4.3.70.0060.0107.41
4.3.60.0110.0087.42
4.3.50.0030.0157.41
4.3.40.0040.0227.37
4.3.30.0020.0156.79
4.3.20.0030.0156.82
4.3.10.0040.0166.80
4.3.00.0030.0149.13

preferences:
47.36 ms | 400 KiB | 5 Q