3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(1,2,3) $bar = $foo; $bar[] = 4; var_dump($foo); var_dump($bar);

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)
5.4.320.0070.03612.49
5.4.310.0080.03612.49
5.4.300.0030.04112.50
5.4.290.0070.04312.49
5.4.280.0070.03712.39
5.4.270.0050.04212.39
5.4.260.0060.04012.39
5.4.250.0080.03512.39
5.4.240.0070.03512.39
5.4.230.0050.03712.38
5.4.220.0050.03712.38
5.4.210.0060.03512.38
5.4.200.0100.04112.38
5.4.190.0080.03512.38
5.4.180.0060.03612.38
5.4.170.0080.03312.38
5.4.160.0060.03912.38
5.4.150.0050.03612.38
5.4.140.0060.04412.07
5.4.130.0080.03712.05
5.4.120.0100.04012.01
5.4.110.0050.03712.01
5.4.100.0030.03812.02
5.4.90.0050.03812.01
5.4.80.0070.03512.01
5.4.70.0060.03312.01
5.4.60.0040.03512.01
5.4.50.0070.03312.00
5.4.40.0040.03512.00
5.4.30.0060.03411.99
5.4.20.0050.03611.98
5.4.10.0090.03111.99
5.4.00.0050.03611.48
5.3.290.0050.03912.80
5.3.280.0050.03812.70
5.3.270.0070.03712.72
5.3.260.0070.03812.72
5.3.250.0050.03812.72
5.3.240.0030.04112.72
5.3.230.0060.03712.70
5.3.220.0060.03612.68
5.3.210.0110.03412.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0040.04012.67
5.3.170.0040.03912.67
5.3.160.0040.03812.67
5.3.150.0050.03912.67
5.3.140.0050.03712.66
5.3.130.0090.03512.66
5.3.120.0040.04012.65
5.3.110.0050.03912.65
5.3.100.0070.03512.12
5.3.90.0020.03912.09
5.3.80.0050.03612.07
5.3.70.0040.03712.07
5.3.60.0050.03612.06
5.3.50.0070.04112.00
5.3.40.0080.03412.00
5.3.30.0060.03411.95
5.3.20.0070.03911.72
5.3.10.0050.03911.70
5.3.00.0070.04411.69
5.2.170.0080.0379.18
5.2.160.0090.0289.18
5.2.150.0050.0379.18
5.2.140.0050.0329.18
5.2.130.0080.0409.14
5.2.120.0090.0359.14
5.2.110.0080.0459.15
5.2.100.0070.0379.14
5.2.90.0050.0409.14
5.2.80.0070.0379.14
5.2.70.0060.0329.13
5.2.60.0030.0319.09
5.2.50.0050.0299.06
5.2.40.0050.0289.04
5.2.30.0050.0299.01
5.2.20.0030.0309.00
5.2.10.0020.0308.93
5.2.00.0050.0288.79
5.1.60.0030.0258.06
5.1.50.0070.0228.06
5.1.40.0050.0248.05
5.1.30.0060.0238.40
5.1.20.0060.0258.41
5.1.10.0020.0288.14
5.1.00.0040.0278.14
5.0.50.0030.0206.62
5.0.40.0070.0166.48
5.0.30.0040.0306.29
5.0.20.0050.0176.26
5.0.10.0030.0196.24
5.0.00.0030.0306.23
4.4.90.0030.0144.78
4.4.80.0020.0154.76
4.4.70.0040.0134.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0154.75
4.4.20.0040.0184.85
4.4.10.0010.0194.85
4.4.00.0040.0254.76
4.3.110.0020.0154.67
4.3.100.0030.0144.66
4.3.90.0020.0144.63
4.3.80.0020.0264.58
4.3.70.0030.0174.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0030.0234.54
4.3.30.0030.0143.28
4.3.20.0020.0153.26
4.3.10.0020.0153.22
4.3.00.0070.01319.45

preferences:
141.64 ms | 1394 KiB | 7 Q