3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variableName = 'test_camel_case'; $nameArray = explode('_', $variableName); array_walk($nameArray, 'ucfirst')

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)
5.4.350.0050.03911.98
5.4.340.0080.04011.98
5.4.320.0070.04212.46
5.4.310.0070.04212.46
5.4.300.0100.03812.46
5.4.290.0100.04512.46
5.4.280.0030.04012.36
5.4.270.0070.03912.36
5.4.260.0070.04112.36
5.4.250.0080.04212.36
5.4.240.0060.04112.36
5.4.230.0070.04212.35
5.4.220.0040.03912.35
5.4.210.0030.03712.35
5.4.200.0070.03712.35
5.4.190.0060.04012.35
5.4.180.0100.03912.35
5.4.170.0060.04012.36
5.4.160.0040.03612.36
5.4.150.0030.03712.35
5.4.140.0110.03112.04
5.4.130.0070.04012.02
5.4.120.0070.04111.98
5.4.110.0050.03711.98
5.4.100.0050.03611.98
5.4.90.0040.04411.98
5.4.80.0090.03911.98
5.4.70.0050.03511.97
5.4.60.0080.04011.97
5.4.50.0050.03611.98
5.4.40.0050.03511.96
5.4.30.0040.04011.96
5.4.20.0050.03711.96
5.4.10.0060.03611.96
5.4.00.0090.04111.45
5.3.290.0050.04412.80
5.3.280.0080.04212.71
5.3.270.0030.04112.72
5.3.260.0040.04112.71
5.3.250.0070.03812.72
5.3.240.0060.03912.72
5.3.230.0080.03612.71
5.3.220.0080.03712.68
5.3.210.0030.04212.68
5.3.200.0060.03712.68
5.3.190.0050.04012.68
5.3.180.0100.04412.67
5.3.170.0060.03612.67
5.3.160.0070.03812.67
5.3.150.0050.04112.67
5.3.140.0080.04012.66
5.3.130.0100.04512.66
5.3.120.0060.04112.66
5.3.110.0080.03912.66
5.3.100.0040.04112.12
5.3.90.0060.03612.09
5.3.80.0070.03612.07
5.3.70.0050.03612.08
5.3.60.0080.03612.07
5.3.50.0060.04112.00
5.3.40.0050.04012.00
5.3.30.0080.03411.95
5.3.20.0060.03611.73
5.3.10.0040.03811.70
5.3.00.0060.04211.68
5.2.170.0030.0379.19
5.2.160.0050.0299.18
5.2.150.0050.0339.18
5.2.140.0020.0359.18
5.2.130.0070.0339.14
5.2.120.0040.0309.14
5.2.110.0040.0329.14
5.2.100.0040.0319.14
5.2.90.0060.0279.14
5.2.80.0040.0329.14
5.2.70.0060.0399.14
5.2.60.0080.0409.09
5.2.50.0040.0309.06
5.2.40.0020.0329.04
5.2.30.0100.0289.02
5.2.20.0030.0329.00
5.2.10.0030.0348.93
5.2.00.0080.0298.78
5.1.60.0060.0258.07
5.1.50.0050.0278.07
5.1.40.0020.0318.04
5.1.30.0050.0278.40
5.1.20.0060.0258.42
5.1.10.0020.0278.14
5.1.00.0030.0258.14
5.0.50.0050.0226.62
5.0.40.0040.0196.48
5.0.30.0040.0326.29
5.0.20.0030.0226.26
5.0.10.0030.0236.24
5.0.00.0030.0306.23
4.4.90.0040.0194.78
4.4.80.0040.0134.75
4.4.70.0020.0164.76
4.4.60.0020.0154.76
4.4.50.0030.0224.77
4.4.40.0020.0364.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0244.85
4.4.00.0020.0334.76
4.3.110.0040.0174.67
4.3.100.0070.0214.66
4.3.90.0020.0154.63
4.3.80.0040.0254.58
4.3.70.0040.0164.63
4.3.60.0030.0174.63
4.3.50.0030.0194.63
4.3.40.0040.0244.54
4.3.30.0020.0163.28
4.3.20.0020.0243.25
4.3.10.0010.0183.22
4.3.00.0070.0276.61

preferences:
149.95 ms | 1394 KiB | 7 Q