3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ['a' => 'plop', 'b' => 'plip']; ['b' => 'update'] += $test; var_dump($test);

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)
5.4.320.0070.03612.50
5.4.310.0050.03812.49
5.4.300.0070.04212.50
5.4.290.0070.03912.49
5.4.280.0060.03512.39
5.4.270.0070.03412.39
5.4.260.0050.03812.39
5.4.250.0080.03612.39
5.4.240.0060.03712.39
5.4.230.0060.04012.38
5.4.220.0050.04512.38
5.4.210.0030.03712.38
5.4.200.0040.04412.38
5.4.190.0080.03712.38
5.4.180.0050.03712.38
5.4.170.0060.04712.38
5.4.160.0100.03512.38
5.4.150.0050.03812.38
5.4.140.0050.03912.07
5.4.130.0080.03412.05
5.4.120.0070.03412.02
5.4.110.0020.03912.01
5.4.100.0020.03912.01
5.4.90.0050.03612.01
5.4.80.0090.04212.01
5.4.70.0030.03712.00
5.4.60.0070.03312.00
5.4.50.0030.03812.01
5.4.40.0030.03712.00
5.4.30.0060.03411.99
5.4.20.0040.03611.99
5.4.10.0090.03812.00
5.4.00.0030.03811.48
5.3.290.0070.04012.80
5.3.280.0080.03712.71
5.3.270.0090.03412.72
5.3.260.0100.03512.72
5.3.250.0060.03712.72
5.3.240.0080.03612.72
5.3.230.0030.04112.71
5.3.220.0050.03812.68
5.3.210.0050.04012.68
5.3.200.0050.03712.68
5.3.190.0050.03812.68
5.3.180.0080.03512.67
5.3.170.0080.03412.67
5.3.160.0060.03512.67
5.3.150.0040.03812.68
5.3.140.0090.03312.66
5.3.130.0090.04312.66
5.3.120.0080.03612.65
5.3.110.0050.04112.66
5.3.100.0040.03912.12
5.3.90.0040.04312.08
5.3.80.0060.03612.08
5.3.70.0060.03612.07
5.3.60.0060.03812.06
5.3.50.0030.03812.00
5.3.40.0050.03712.00
5.3.30.0020.03811.95
5.3.20.0030.03811.72
5.3.10.0040.03811.70
5.3.00.0070.03511.68
5.2.170.0060.0339.18
5.2.160.0050.0349.18
5.2.150.0010.0339.18
5.2.140.0040.0309.18
5.2.130.0020.0309.14
5.2.120.0050.0269.14
5.2.110.0040.0299.14
5.2.100.0070.0259.14
5.2.90.0040.0309.14
5.2.80.0060.0299.14
5.2.70.0050.0299.14
5.2.60.0040.0309.09
5.2.50.0070.0289.05
5.2.40.0050.0349.03
5.2.30.0090.0399.02
5.2.20.0050.0329.00
5.2.10.0070.0258.92
5.2.00.0070.0318.78
5.1.60.0040.0288.07
5.1.50.0040.0268.06
5.1.40.0080.0228.05
5.1.30.0080.0248.40
5.1.20.0040.0268.42
5.1.10.0060.0248.14
5.1.00.0010.0288.14
5.0.50.0040.0206.62
5.0.40.0040.0186.48
5.0.30.0020.0326.29
5.0.20.0050.0176.27
5.0.10.0010.0226.24
5.0.00.0030.0316.23
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0050.0134.75
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0030.0164.76
4.4.20.0010.0184.84
4.4.10.0040.0144.84
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0070.0124.63
4.3.80.0010.0264.58
4.3.70.0040.0144.63
4.3.60.0040.0134.63
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0020.0163.29
4.3.20.0030.0213.26
4.3.10.0030.0153.22
4.3.00.0230.0206.95

preferences:
139.51 ms | 1394 KiB | 7 Q