3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object) [ 'items' = [ 'one', 'two' ] ]; echo (isset($obj->items2)) ? "true" : "false";

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)
5.4.290.0070.04012.48
5.4.280.0040.04112.37
5.4.270.0050.04512.37
5.4.260.0080.04012.38
5.4.250.0050.05612.37
5.4.240.0050.05612.38
5.4.230.0060.04912.36
5.4.220.0050.03812.37
5.4.210.0110.03912.36
5.4.200.0080.03612.36
5.4.190.0050.03812.36
5.4.180.0070.03512.36
5.4.170.0040.03712.37
5.4.160.0040.03712.37
5.4.150.0030.03812.36
5.4.140.0060.03612.05
5.4.130.0080.03312.03
5.4.120.0050.03612.00
5.4.110.0090.03311.99
5.4.100.0050.04512.00
5.4.90.0060.03812.00
5.4.80.0020.04112.00
5.4.70.0050.03611.99
5.4.60.0080.03212.00
5.4.50.0050.03611.99
5.4.40.0050.03611.98
5.4.30.0060.03611.98
5.4.20.0070.03411.97
5.4.10.0090.03111.98
5.4.00.0040.03911.47
5.3.280.0080.03612.71
5.3.270.0060.04112.73
5.3.260.0070.03912.72
5.3.250.0060.03612.72
5.3.240.0060.03612.72
5.3.230.0060.03712.71
5.3.220.0040.03812.68
5.3.210.0070.03912.68
5.3.200.0060.03712.68
5.3.190.0060.04012.67
5.3.180.0080.03512.68
5.3.170.0030.04112.66
5.3.160.0040.04112.67
5.3.150.0080.03812.68
5.3.140.0060.04112.66
5.3.130.0050.03912.66
5.3.120.0080.03712.66
5.3.110.0080.03712.66
5.3.100.0040.03812.12
5.3.90.0040.03912.09
5.3.80.0040.04112.07
5.3.70.0060.04312.07
5.3.60.0050.04012.06
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0070.03411.95
5.3.20.0090.03211.73
5.3.10.0040.03511.70
5.3.00.0050.03611.68
5.2.170.0040.0319.18
5.2.160.0070.0279.18
5.2.150.0070.0289.18
5.2.140.0050.0319.18
5.2.130.0060.0319.14
5.2.120.0050.0389.14
5.2.110.0070.0289.14
5.2.100.0030.0319.14
5.2.90.0030.0309.14
5.2.80.0080.0419.14
5.2.70.0060.0439.14
5.2.60.0040.0339.09
5.2.50.0060.0329.06
5.2.40.0030.0329.04
5.2.30.0050.0319.02
5.2.20.0060.0279.00
5.2.10.0030.0318.93
5.2.00.0090.0398.78
5.1.60.0010.0318.07
5.1.50.0020.0278.07
5.1.40.0050.0238.05
5.1.30.0030.0268.40
5.1.20.0070.0238.41
5.1.10.0020.0278.14
5.1.00.0030.0278.14
5.0.50.0010.0236.63
5.0.40.0060.0186.48
5.0.30.0030.0466.29
5.0.20.0040.0296.27
5.0.10.0030.0206.23
5.0.00.0040.0306.23
4.4.90.0030.0154.78
4.4.80.0040.0144.76
4.4.70.0040.0144.76
4.4.60.0050.0174.76
4.4.50.0040.0144.77
4.4.40.0020.0274.71
4.4.30.0020.0164.75
4.4.20.0020.0174.84
4.4.10.0050.0134.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0010.0264.59
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0030.0264.54
4.3.30.0020.0153.28
4.3.20.0040.0143.25
4.3.10.0010.0163.22
4.3.00.0030.0236.92

preferences:
141.93 ms | 1386 KiB | 7 Q