3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array[] = array('first'=>'jake','last'=>'quattrocchi'); $array[] = array('first'=>'david'); foreach($array as &$key=>&$value){ $key[$value]['first'] == 'adfgadgadfg'; } var_dump($array);

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)
5.4.310.0080.04212.46
5.4.300.0110.04012.47
5.4.290.0070.04212.46
5.4.280.0090.03112.36
5.4.270.0050.03612.36
5.4.260.0060.04112.36
5.4.250.0050.03712.36
5.4.240.0080.04212.36
5.4.230.0040.03812.35
5.4.220.0020.03912.35
5.4.210.0090.03212.36
5.4.200.0040.03812.35
5.4.190.0040.04412.34
5.4.180.0070.04612.35
5.4.170.0050.04312.36
5.4.160.0030.03712.36
5.4.150.0080.03412.35
5.4.140.0090.03612.03
5.4.130.0050.03612.02
5.4.120.0070.03811.98
5.4.110.0070.03711.98
5.4.100.0050.03511.97
5.4.90.0080.03411.98
5.4.80.0060.03511.98
5.4.70.0080.03111.97
5.4.60.0100.03211.97
5.4.50.0060.03811.97
5.4.40.0080.03111.96
5.4.30.0070.03911.96
5.4.20.0070.03411.96
5.4.10.0050.03611.96
5.4.00.0050.04011.45
5.3.280.0070.04112.70
5.3.270.0040.03912.73
5.3.260.0030.04512.72
5.3.250.0060.03912.71
5.3.240.0070.03812.72
5.3.230.0080.04412.71
5.3.220.0060.03612.68
5.3.210.0060.03812.68
5.3.200.0080.04112.68
5.3.190.0070.03612.68
5.3.180.0100.03912.67
5.3.170.0070.03512.67
5.3.160.0040.03812.67
5.3.150.0050.03712.67
5.3.140.0080.03312.66
5.3.130.0060.03812.66
5.3.120.0090.04012.66
5.3.110.0060.05412.66
5.3.100.0040.03812.12
5.3.90.0070.04012.08
5.3.80.0090.03712.08
5.3.70.0070.04512.07
5.3.60.0060.03512.06
5.3.50.0110.03212.00
5.3.40.0070.03412.00
5.3.30.0050.03411.94
5.3.20.0130.03011.72
5.3.10.0040.03811.70
5.3.00.0060.03911.68
5.2.170.0080.0319.18
5.2.160.0050.0289.18
5.2.150.0040.0319.18
5.2.140.0050.0299.18
5.2.130.0080.0259.14
5.2.120.0090.0299.14
5.2.110.0040.0299.14
5.2.100.0040.0329.14
5.2.90.0060.0279.14
5.2.80.0060.0289.13
5.2.70.0020.0329.14
5.2.60.0060.0279.09
5.2.50.0020.0319.06
5.2.40.0070.0319.04
5.2.30.0060.0349.01
5.2.20.0070.0329.00
5.2.10.0040.0288.92
5.2.00.0040.0308.78
5.1.60.0030.0248.07
5.1.50.0070.0218.06
5.1.40.0070.0268.04
5.1.30.0040.0308.39
5.1.20.0080.0328.42
5.1.10.0060.0238.14
5.1.00.0070.0238.15
5.0.50.0030.0216.62
5.0.40.0030.0196.48
5.0.30.0040.0306.29
5.0.20.0040.0186.26
5.0.10.0020.0206.24
5.0.00.0040.0396.23
4.4.90.0030.0144.78
4.4.80.0010.0164.75
4.4.70.0020.0164.75
4.4.60.0010.0164.76
4.4.50.0050.0184.77
4.4.40.0020.0254.70
4.4.30.0010.0164.76
4.4.20.0040.0134.84
4.4.10.0030.0144.85
4.4.00.0000.0384.76
4.3.110.0050.0194.66
4.3.100.0040.0144.66
4.3.90.0030.0154.63
4.3.80.0030.0254.59
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0040.0154.63
4.3.40.0010.0254.53
4.3.30.0000.0173.29
4.3.20.0040.0223.27
4.3.10.0030.0183.22
4.3.00.0130.0237.21

preferences:
144.51 ms | 1394 KiB | 7 Q