3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mas = new ArrayObject('first' => '1', 'second' => '2'); function f($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)
5.4.320.0080.03912.50
5.4.310.0070.04012.50
5.4.300.0030.04212.50
5.4.290.0070.04112.49
5.4.280.0050.03612.39
5.4.270.0040.04312.39
5.4.260.0080.03512.39
5.4.250.0090.03512.39
5.4.240.0090.03712.39
5.4.230.0050.03812.38
5.4.220.0050.03612.38
5.4.210.0050.03712.38
5.4.200.0070.03812.38
5.4.190.0050.04112.38
5.4.180.0050.04412.38
5.4.170.0040.03812.39
5.4.160.0060.03712.38
5.4.150.0070.04412.38
5.4.140.0070.03612.07
5.4.130.0090.03412.05
5.4.120.0080.03512.02
5.4.110.0090.03412.01
5.4.100.0060.03512.01
5.4.90.0050.03712.01
5.4.80.0040.03812.01
5.4.70.0060.03612.00
5.4.60.0040.03712.01
5.4.50.0090.03512.01
5.4.40.0060.03412.00
5.4.30.0060.03511.99
5.4.20.0090.03311.99
5.4.10.0060.03911.99
5.4.00.0050.04211.49
5.3.290.0040.04112.80
5.3.280.0050.04012.71
5.3.270.0060.04012.73
5.3.260.0100.04312.72
5.3.250.0060.03712.72
5.3.240.0040.04112.72
5.3.230.0030.04112.71
5.3.220.0090.03412.68
5.3.210.0050.04012.68
5.3.200.0080.03412.68
5.3.190.0080.03612.68
5.3.180.0080.03512.67
5.3.170.0020.04112.67
5.3.160.0070.03612.68
5.3.150.0060.03712.67
5.3.140.0080.03412.66
5.3.130.0080.04212.66
5.3.120.0040.04112.66
5.3.110.0100.04012.66
5.3.100.0080.03412.12
5.3.90.0070.03412.09
5.3.80.0070.03412.07
5.3.70.0040.03612.08
5.3.60.0060.03512.06
5.3.50.0060.03512.00
5.3.40.0050.03612.00
5.3.30.0060.03511.95
5.3.20.0070.03311.73
5.3.10.0040.03611.70
5.3.00.0070.03411.68
5.2.170.0070.0289.18
5.2.160.0090.0389.18
5.2.150.0040.0349.18
5.2.140.0070.0339.18
5.2.130.0060.0349.14
5.2.120.0020.0319.14
5.2.110.0020.0319.14
5.2.100.0060.0379.14
5.2.90.0100.0259.14
5.2.80.0040.0309.14
5.2.70.0040.0319.14
5.2.60.0030.0319.09
5.2.50.0020.0319.06
5.2.40.0050.0329.04
5.2.30.0060.0279.02
5.2.20.0050.0309.01
5.2.10.0050.0348.93
5.2.00.0040.0298.78
5.1.60.0020.0318.07
5.1.50.0040.0248.06
5.1.40.0020.0268.05
5.1.30.0040.0258.39
5.1.20.0040.0328.41
5.1.10.0030.0278.14
5.1.00.0050.0248.14
5.0.50.0060.0186.62
5.0.40.0050.0186.48
5.0.30.0030.0326.30
5.0.20.0040.0266.27
5.0.10.0020.0246.24
5.0.00.0060.0296.23
4.4.90.0030.0164.78
4.4.80.0010.0174.76
4.4.70.0000.0174.75
4.4.60.0030.0144.76
4.4.50.0000.0184.77
4.4.40.0030.0264.70
4.4.30.0030.0154.76
4.4.20.0030.0214.84
4.4.10.0050.0174.85
4.4.00.0010.0274.76
4.3.110.0040.0184.67
4.3.100.0050.0184.66
4.3.90.0040.0174.64
4.3.80.0040.0264.58
4.3.70.0010.0154.63
4.3.60.0010.0164.62
4.3.50.0050.0174.63
4.3.40.0020.0364.54
4.3.30.0040.0223.28
4.3.20.0010.0183.26
4.3.10.0010.0163.22
4.3.00.0100.0176.79

preferences:
142.76 ms | 1394 KiB | 7 Q