3v4l.org

run code in 300+ PHP versions simultaneously
<?php function camelCase($string) { preg_replace('/[^a-zA-Z0-9]/', '', ucwords(str_replace('/',' ',strtolower($path)))); return $string; } echo camelCase('common/home'); echo camelCase('common_home');

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)
8.3.70.0090.01218.53
8.3.60.0090.00918.51
8.3.50.0110.00722.06
8.3.40.0140.00718.92
8.3.30.0090.00919.00
8.3.20.0110.00320.29
8.3.10.0040.00421.73
8.3.00.0040.00419.26
8.2.180.0090.00916.88
8.2.170.0130.00619.15
8.2.160.0080.00622.96
8.2.150.0040.00424.18
8.2.140.0120.00324.66
8.2.130.0000.00726.16
8.2.120.0060.00319.64
8.2.110.0060.00322.06
8.2.100.0000.01117.91
8.2.90.0090.00017.97
8.2.80.0000.00719.28
8.2.70.0030.00617.88
8.2.60.0080.00017.90
8.2.50.0090.00018.10
8.2.40.0040.00420.42
8.2.30.0040.00417.92
8.2.20.0030.00617.91
8.2.10.0000.00817.95
8.2.00.0030.00617.81
8.1.280.0070.01025.92
8.1.270.0040.00418.75
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.14
8.1.230.0060.00620.85
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0040.00417.36
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0080.00018.68
8.1.160.0000.00822.17
8.1.150.0000.01018.84
8.1.140.0040.00419.24
8.1.130.0000.00717.86
8.1.120.0000.00817.39
8.1.110.0040.00417.43
8.1.100.0020.00517.34
8.1.90.0050.00317.39
8.1.80.0080.00017.43
8.1.70.0070.00017.48
8.1.60.0040.00417.75
8.1.50.0000.00817.65
8.1.40.0030.00517.58
8.1.30.0050.00517.72
8.1.20.0030.00617.77
8.1.10.0000.00717.44
8.1.00.0000.00717.47
8.0.300.0040.00420.04
8.0.290.0040.00416.88
8.0.280.0030.00318.46
8.0.270.0030.00317.23
8.0.260.0030.00317.24
8.0.250.0000.00717.16
8.0.240.0030.00616.97
8.0.230.0000.00716.94
8.0.220.0050.00316.85
8.0.210.0030.00516.85
8.0.200.0020.00517.06
8.0.190.0000.00717.05
8.0.180.0080.00017.03
8.0.170.0040.00416.89
8.0.160.0040.00417.01
8.0.150.0040.00416.88
8.0.140.0050.00216.92
8.0.130.0050.00013.45
8.0.120.0090.00016.98
8.0.110.0040.00416.90
8.0.100.0080.00016.92
8.0.90.0040.00416.92
8.0.80.0060.01016.96
8.0.70.0000.00716.85
8.0.60.0050.00316.96
8.0.50.0070.00017.03
8.0.30.0130.00917.39
8.0.20.0200.00117.40
8.0.10.0000.00717.22
8.0.00.0110.00616.89
7.4.330.0040.00415.03
7.4.320.0030.00316.58
7.4.300.0060.00016.73
7.4.290.0050.00216.75
7.4.280.0000.00716.78
7.4.270.0000.00716.69
7.4.260.0000.00716.61
7.4.250.0000.00716.70
7.4.240.0050.00216.61
7.4.230.0020.00516.52
7.4.220.0100.00716.86
7.4.210.0040.01216.83
7.4.200.0070.00016.52
7.4.160.0090.00616.58
7.4.150.0070.01117.40
7.4.140.0090.00817.86
7.4.130.0090.01116.60
7.4.120.0080.01116.76
7.4.110.0130.00616.77
7.4.100.0140.00316.74
7.4.90.0000.01916.75
7.4.80.0140.00919.39
7.4.70.0100.01316.65
7.4.60.0000.01616.58
7.4.50.0040.00416.59
7.4.40.0100.01016.78
7.4.30.0090.00916.73
7.4.00.0040.00415.03
7.3.330.0030.00313.32
7.3.320.0000.00513.43
7.3.310.0030.00316.39
7.3.300.0040.00416.39
7.3.290.0030.01216.45
7.3.280.0090.00816.47
7.3.270.0070.01017.40
7.3.260.0100.01016.65
7.3.250.0100.00616.54
7.3.240.0130.01016.59
7.3.230.0100.01016.74
7.3.210.0070.01016.63
7.3.200.0070.01019.39
7.3.190.0090.00616.64
7.3.180.0060.01016.83
7.3.170.0100.01016.54
7.3.160.0120.00416.48
7.2.330.0090.00916.70
7.2.320.0110.00616.57
7.2.310.0060.01116.76
7.2.300.0150.00616.63
7.2.290.0120.00916.75
7.2.60.0030.01316.88
7.2.00.0060.00619.44
7.1.200.0070.00315.84
7.1.100.0000.01218.53
7.1.70.0000.00817.33
7.1.60.0120.01219.46
7.1.50.0130.01017.07
7.1.00.0030.07722.38
7.0.200.0150.00615.11
7.0.140.0070.05022.08
7.0.60.0070.08719.93
7.0.50.0030.04017.89
7.0.40.0100.08320.29
7.0.30.0170.04320.33
7.0.20.0170.08720.11
7.0.10.0130.07020.24
7.0.00.0100.08020.09
5.6.280.0030.07321.15
5.6.210.0000.08320.63
5.6.200.0100.04318.23
5.6.190.0000.09320.46
5.6.180.0500.04720.58
5.6.170.0230.05720.54
5.6.160.0130.08320.55
5.6.150.0100.07718.16
5.6.140.0130.05318.28
5.6.130.0070.08718.15
5.6.120.0070.07720.89
5.6.110.0000.06721.00
5.6.100.0030.09020.97
5.6.90.0170.07021.01
5.6.80.0070.06020.48
5.5.350.0230.07320.46
5.5.340.0070.04317.96
5.5.330.0070.04720.21
5.5.320.0030.04320.27
5.5.310.0330.04720.36
5.5.300.0130.04018.00
5.5.290.0070.05718.07
5.5.280.0070.05320.87
5.5.270.0030.04020.94
5.5.260.0030.09020.80
5.5.250.0030.09320.49
5.5.240.0130.06720.23
5.4.450.0530.06719.63
5.4.440.0130.05719.38
5.4.430.0170.06319.39
5.4.420.0030.06319.55
5.4.410.0130.06319.36
5.4.400.0070.08019.39
5.4.390.0300.03718.47
5.4.380.0130.06018.80
5.4.370.0230.07018.80
5.4.360.0270.06718.59
5.4.350.0100.06318.61
5.4.340.0200.05018.61
5.4.320.0300.04718.61
5.4.310.0170.05718.80
5.4.300.0130.06018.57
5.4.290.0130.05718.50
5.4.280.0200.05718.71
5.4.270.0200.05318.58
5.4.260.0200.05318.69
5.4.250.0100.06018.80
5.4.240.0170.06318.69
5.4.230.0200.05318.68
5.4.220.0170.05718.84
5.4.210.0070.06318.51
5.4.200.0130.05716.64
5.4.190.0100.06318.53
5.4.180.0200.05718.82
5.4.170.0270.05718.45
5.4.160.0270.04718.53
5.4.150.0130.06018.45
5.4.140.0230.05016.45
5.4.130.0170.04716.44
5.4.120.0170.05716.45
5.4.110.0230.06716.28
5.4.100.0270.04716.35
5.4.90.0170.07016.35
5.4.80.0270.06016.45
5.4.70.0300.04716.20
5.4.60.0270.06016.27
5.4.50.0070.05316.18
5.4.40.0270.05016.25
5.4.30.0270.03716.14
5.4.20.0100.05716.29
5.4.10.0170.04716.16
5.4.00.0070.05715.74
5.3.290.0130.06014.80
5.3.280.0170.05714.64
5.3.270.0200.06014.73
5.3.260.0270.04714.73
5.3.250.0330.05714.59
5.3.240.0130.05714.62
5.3.230.0130.06714.59
5.3.220.0330.06014.73
5.3.210.0300.06714.67
5.3.200.0400.05314.58
5.3.190.0400.05014.62
5.3.180.0230.04714.77
5.3.170.0230.05714.77
5.3.160.0170.05714.74
5.3.150.0300.04314.61
5.3.140.0170.06314.54
5.3.130.0170.07014.60
5.3.120.0230.05014.72
5.3.110.0300.06314.57
5.3.100.0130.05714.09
5.3.90.0130.05314.20
5.3.80.0170.05014.02
5.3.70.0130.07014.04
5.3.60.0200.05314.17
5.3.50.0200.06014.04
5.3.40.0070.07013.96
5.3.30.0100.05314.02
5.3.20.0170.06713.70
5.3.10.0130.05713.78
5.3.00.0100.05713.86
5.2.170.0130.04311.25
5.2.160.0130.05311.25
5.2.150.0130.05011.13
5.2.140.0130.04311.27
5.2.130.0170.03711.20
5.2.120.0100.04311.12
5.2.110.0130.04011.23
5.2.100.0070.04711.12
5.2.90.0100.04711.17
5.2.80.0070.05011.08
5.2.70.0130.04711.20
5.2.60.0100.06011.11
5.2.50.0100.05011.03
5.2.40.0070.04711.12
5.2.30.0130.04311.04
5.2.20.0070.04311.02
5.2.10.0100.05710.87
5.2.00.0100.04310.80
5.1.60.0130.04010.02
5.1.50.0200.03710.03
5.1.40.0230.03710.00
5.1.30.0070.05710.35
5.1.20.0170.03310.36
5.1.10.0070.04010.13
5.1.00.0170.03710.15
5.0.50.0030.0338.58
5.0.40.0100.0238.44
5.0.30.0030.0478.20
5.0.20.0100.0238.32
5.0.10.0100.0278.26
5.0.00.0070.0478.35
4.4.90.0030.0275.92
4.4.80.0070.0205.88
4.4.70.0030.0335.86
4.4.60.0070.0205.87
4.4.50.0030.0235.90
4.4.40.0030.0375.96
4.4.30.0030.0275.86
4.4.20.0000.0275.95
4.4.10.0070.0206.03
4.4.00.0070.0335.93
4.3.110.0030.0235.84
4.3.100.0030.0235.81
4.3.90.0100.0205.78
4.3.80.0070.0335.78
4.3.70.0070.0205.81
4.3.60.0130.0175.86
4.3.50.0030.0235.80
4.3.40.0070.0435.78
4.3.30.0000.0304.58
4.3.20.0000.0304.54
4.3.10.0030.0234.52
4.3.00.0070.0239.16

preferences:
39.49 ms | 401 KiB | 5 Q