3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $arr = array(1,2,3); function byvalue($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)
5.4.320.0050.03912.51
5.4.310.0060.03912.51
5.4.300.0070.04112.52
5.4.290.0060.04012.51
5.4.280.0080.03612.41
5.4.270.0070.04212.41
5.4.260.0050.04112.41
5.4.250.0070.03712.41
5.4.240.0090.03512.41
5.4.230.0050.03912.40
5.4.220.0080.03812.40
5.4.210.0040.04212.40
5.4.200.0090.03912.40
5.4.190.0040.03812.40
5.4.180.0070.03812.40
5.4.170.0100.03812.40
5.4.160.0040.03812.40
5.4.150.0060.04212.40
5.4.140.0050.03812.08
5.4.130.0070.03412.07
5.4.120.0060.03612.03
5.4.110.0090.03412.02
5.4.100.0050.03812.03
5.4.90.0070.03712.02
5.4.80.0050.04012.02
5.4.70.0070.03712.02
5.4.60.0080.03612.02
5.4.50.0070.03712.02
5.4.40.0040.03812.01
5.4.30.0070.03712.00
5.4.20.0080.03212.00
5.4.10.0070.03612.00
5.4.00.0070.03611.50
5.3.290.0070.04012.80
5.3.280.0090.03812.71
5.3.270.0040.04212.72
5.3.260.0060.03912.72
5.3.250.0050.03912.71
5.3.240.0090.03912.72
5.3.230.0070.04012.71
5.3.220.0040.04212.68
5.3.210.0080.03912.68
5.3.200.0070.03912.68
5.3.190.0080.04412.68
5.3.180.0100.04012.67
5.3.170.0070.03812.66
5.3.160.0070.03612.67
5.3.150.0060.04112.67
5.3.140.0100.03912.66
5.3.130.0060.04312.66
5.3.120.0070.04512.66
5.3.110.0060.04812.66
5.3.100.0050.04312.12
5.3.90.0090.04112.10
5.3.80.0060.03812.09
5.3.70.0060.04112.09
5.3.60.0050.04212.07
5.3.50.0060.03812.02
5.3.40.0040.04012.02
5.3.30.0060.04111.98
5.3.20.0040.03811.76
5.3.10.0080.03411.73
5.3.00.0080.03611.72
5.2.170.0040.0339.21
5.2.160.0040.0319.21
5.2.150.0050.0319.22
5.2.140.0060.0309.21
5.2.130.0040.0309.17
5.2.120.0060.0279.17
5.2.110.0050.0309.18
5.2.100.0040.0309.18
5.2.90.0100.0279.18
5.2.80.0040.0329.17
5.2.70.0090.0279.17
5.2.60.0040.0319.13
5.2.50.0060.0319.10
5.2.40.0040.0329.07
5.2.30.0050.0309.05
5.2.20.0040.0319.03
5.2.10.0050.0318.94
5.2.00.0070.0308.80
5.1.60.0050.0318.09
5.1.50.0050.0298.08
5.1.40.0040.0328.07
5.1.30.0030.0348.41
5.1.20.0050.0328.44
5.1.10.0070.0278.17
5.1.00.0040.0328.17
5.0.50.0050.0216.64
5.0.40.0020.0246.50
5.0.30.0040.0366.31
5.0.20.0030.0256.28
5.0.10.0060.0256.26
5.0.00.0050.0376.25
4.4.90.0040.0184.78
4.4.80.0070.0164.76
4.4.70.0020.0224.75
4.4.60.0040.0214.76
4.4.50.0020.0234.77
4.4.40.0050.0284.71
4.4.30.0040.0184.76
4.4.20.0040.0184.84
4.4.10.0040.0184.85
4.4.00.0030.0274.76
4.3.110.0020.0214.67
4.3.100.0040.0194.67
4.3.90.0040.0164.64
4.3.80.0020.0274.58
4.3.70.0020.0194.63
4.3.60.0030.0154.63
4.3.50.0040.0174.63
4.3.40.0020.0274.54
4.3.30.0020.0193.30
4.3.20.0020.0173.27
4.3.10.0040.0153.24
4.3.00.0070.01315.66

preferences:
131.47 ms | 1394 KiB | 7 Q