3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3); function byvalue($arg) { $arg[0] = 10; } byvalue($arr); var_dump($arr); // no change byvalue(&$arr); //call_user_func_array('byvalue', array(&$arr)); var_dump($arr); // no change

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)
5.4.320.0020.03912.51
5.4.310.0100.03612.51
5.4.300.0030.03912.52
5.4.290.0090.03512.51
5.4.280.0080.03312.41
5.4.270.0030.03812.41
5.4.260.0050.03812.41
5.4.250.0060.03812.41
5.4.240.0050.04012.41
5.4.230.0050.04012.40
5.4.220.0040.04012.40
5.4.210.0060.03812.40
5.4.200.0060.03812.40
5.4.190.0060.03712.39
5.4.180.0070.03612.40
5.4.170.0070.03512.41
5.4.160.0100.03512.40
5.4.150.0060.03512.39
5.4.140.0100.03312.08
5.4.130.0050.03712.07
5.4.120.0080.03512.03
5.4.110.0020.03912.02
5.4.100.0040.03712.02
5.4.90.0100.04112.02
5.4.80.0080.03912.02
5.4.70.0080.04112.02
5.4.60.0070.04112.02
5.4.50.0040.03612.02
5.4.40.0050.03412.00
5.4.30.0080.04412.00
5.4.20.0040.03812.01
5.4.10.0050.03812.00
5.4.00.0060.04411.50
5.3.290.0090.04712.80
5.3.280.0070.04012.71
5.3.270.0030.04212.72
5.3.260.0050.04012.72
5.3.250.0060.04612.72
5.3.240.0080.03812.72
5.3.230.0080.03612.71
5.3.220.0070.03812.68
5.3.210.0040.04612.68
5.3.200.0120.03812.68
5.3.190.0040.04112.68
5.3.180.0070.03612.67
5.3.170.0050.03812.67
5.3.160.0050.03912.68
5.3.150.0050.03912.67
5.3.140.0030.03912.66
5.3.130.0070.04512.65
5.3.120.0070.03612.66
5.3.110.0060.04412.66
5.3.100.0060.03512.12
5.3.90.0050.03612.09
5.3.80.0090.04212.09
5.3.70.0080.04012.09
5.3.60.0040.03612.07
5.3.50.0090.03912.02
5.3.40.0070.03412.02
5.3.30.0030.03711.98
5.3.20.0040.03811.76
5.3.10.0070.03411.73
5.3.00.0040.04311.71
5.2.170.0030.0319.21
5.2.160.0030.0409.22
5.2.150.0050.0339.21
5.2.140.0060.0369.21
5.2.130.0070.0349.17
5.2.120.0040.0299.17
5.2.110.0020.0349.18
5.2.100.0050.0289.18
5.2.90.0050.0289.18
5.2.80.0030.0329.16
5.2.70.0040.0309.17
5.2.60.0040.0319.13
5.2.50.0050.0309.10
5.2.40.0080.0289.07
5.2.30.0070.0279.05
5.2.20.0050.0289.03
5.2.10.0070.0258.94
5.2.00.0050.0318.80
5.1.60.0040.0278.09
5.1.50.0030.0258.09
5.1.40.0020.0268.07
5.1.30.0060.0318.41
5.1.20.0060.0258.44
5.1.10.0030.0268.16
5.1.00.0030.0278.16
5.0.50.0050.0236.64
5.0.40.0030.0216.50
5.0.30.0040.0306.31
5.0.20.0030.0206.28
5.0.10.0030.0206.26
5.0.00.0030.0306.25
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0050.0204.75
4.4.50.0030.0204.77
4.4.40.0050.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0234.85
4.4.00.0030.0284.76
4.3.110.0030.0164.67
4.3.100.0030.0154.67
4.3.90.0010.0164.63
4.3.80.0010.0254.58
4.3.70.0020.0174.63
4.3.60.0000.0194.63
4.3.50.0050.0144.62
4.3.40.0040.0244.54
4.3.30.0020.0163.30
4.3.20.0040.0143.27
4.3.10.0000.0183.24
4.3.00.0030.02015.65

preferences:
143.52 ms | 1394 KiB | 7 Q