3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mas = new Array('first' => '1', 'second' => '2'); function f($m){ $m['first'] = 3; var_dump($m); return 'Done!'; } var_dump($mas); echo '============'; f($mas); echo ('----------'); var_dump($mas);

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)
5.4.320.0100.03512.50
5.4.310.0100.04412.50
5.4.300.0050.03712.50
5.4.290.0070.04312.49
5.4.280.0070.04212.39
5.4.270.0060.03512.39
5.4.260.0060.03712.39
5.4.250.0030.04412.39
5.4.240.0050.03612.39
5.4.230.0070.03612.38
5.4.220.0060.04512.38
5.4.210.0080.03912.38
5.4.200.0080.03712.38
5.4.190.0020.04012.38
5.4.180.0040.04312.38
5.4.170.0030.03712.39
5.4.160.0080.03612.38
5.4.150.0060.03512.38
5.4.140.0080.03812.07
5.4.130.0060.03412.05
5.4.120.0050.03512.01
5.4.110.0110.04812.01
5.4.100.0060.03312.01
5.4.90.0060.03712.01
5.4.80.0070.04412.01
5.4.70.0090.03012.00
5.4.60.0040.03512.01
5.4.50.0040.04612.01
5.4.40.0000.03912.00
5.4.30.0050.03511.99
5.4.20.0060.03311.98
5.4.10.0050.03411.99
5.4.00.0030.04311.48
5.3.290.0080.05212.80
5.3.280.0080.04212.70
5.3.270.0080.04612.73
5.3.260.0090.04012.72
5.3.250.0080.04312.72
5.3.240.0060.04012.72
5.3.230.0070.04712.71
5.3.220.0030.04012.68
5.3.210.0110.03512.68
5.3.200.0050.04312.68
5.3.190.0070.03512.68
5.3.180.0020.04012.67
5.3.170.0100.03412.67
5.3.160.0060.03512.68
5.3.150.0050.03812.68
5.3.140.0070.03412.66
5.3.130.0100.04812.66
5.3.120.0050.03812.66
5.3.110.0050.03912.66
5.3.100.0060.03712.12
5.3.90.0080.04412.08
5.3.80.0070.03512.07
5.3.70.0090.03212.07
5.3.60.0050.03512.07
5.3.50.0020.04012.00
5.3.40.0090.03312.00
5.3.30.0100.03511.95
5.3.20.0070.03711.73
5.3.10.0050.03511.70
5.3.00.0050.04211.68
5.2.170.0050.0309.18
5.2.160.0030.0379.18
5.2.150.0030.0319.18
5.2.140.0070.0339.18
5.2.130.0050.0379.14
5.2.120.0040.0279.14
5.2.110.0050.0329.14
5.2.100.0040.0289.14
5.2.90.0040.0319.14
5.2.80.0060.0309.14
5.2.70.0030.0319.14
5.2.60.0050.0299.09
5.2.50.0070.0279.06
5.2.40.0050.0289.04
5.2.30.0030.0309.01
5.2.20.0070.0259.00
5.2.10.0030.0298.93
5.2.00.0050.0288.78
5.1.60.0020.0268.06
5.1.50.0050.0248.07
5.1.40.0060.0238.05
5.1.30.0020.0298.39
5.1.20.0050.0338.42
5.1.10.0040.0318.14
5.1.00.0100.0278.14
5.0.50.0030.0276.62
5.0.40.0040.0266.47
5.0.30.0050.0306.29
5.0.20.0020.0206.26
5.0.10.0080.0156.24
5.0.00.0020.0316.23
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0020.0164.76
4.4.50.0030.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0214.76
4.4.20.0030.0154.84
4.4.10.0060.0184.85
4.4.00.0030.0244.75
4.3.110.0020.0174.67
4.3.100.0010.0174.67
4.3.90.0030.0184.64
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0030.0174.63
4.3.50.0050.0234.63
4.3.40.0020.0344.54
4.3.30.0030.0173.29
4.3.20.0040.0143.27
4.3.10.0030.0183.22
4.3.00.0030.0237.68

preferences:
146.84 ms | 1398 KiB | 7 Q