3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123a' => '456'); print_r($obj); if (!property_exists($obj,'123a')) echo 'property 123a does not exist',"\n"; if ( !isset( $obj->{'123a'} ) ) echo 'property 123a is null',"\n"; echo $obj->{'123a'}; echo $obj->123a;

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)
5.4.340.0080.03312.02
5.4.320.0090.04512.50
5.4.310.0060.04112.50
5.4.300.0040.03812.50
5.4.290.0050.03912.50
5.4.280.0050.03612.39
5.4.270.0050.03612.39
5.4.260.0050.03812.39
5.4.250.0070.03712.39
5.4.240.0070.03712.39
5.4.230.0100.03512.39
5.4.220.0060.03612.38
5.4.210.0050.04012.39
5.4.200.0050.04512.39
5.4.190.0060.03612.38
5.4.180.0040.03712.38
5.4.170.0060.03912.39
5.4.160.0050.03612.38
5.4.150.0070.03412.38
5.4.140.0090.03412.07
5.4.130.0080.03212.05
5.4.120.0100.03012.02
5.4.110.0070.03312.01
5.4.100.0070.03312.01
5.4.90.0060.03512.01
5.4.80.0090.03312.02
5.4.70.0040.03612.01
5.4.60.0060.03412.01
5.4.50.0050.03512.01
5.4.40.0060.03412.00
5.4.30.0100.02912.00
5.4.20.0050.03411.99
5.4.10.0060.03212.00
5.4.00.0070.03311.48
5.3.290.0060.04212.80
5.3.280.0060.03812.71
5.3.270.0050.03812.72
5.3.260.0060.03812.72
5.3.250.0050.03712.71
5.3.240.0070.03512.72
5.3.230.0040.03812.71
5.3.220.0050.03912.68
5.3.210.0120.04312.68
5.3.200.0050.03612.68
5.3.190.0050.03712.68
5.3.180.0090.03312.67
5.3.170.0060.03512.66
5.3.160.0040.03712.67
5.3.150.0110.03712.67
5.3.140.0060.03912.66
5.3.130.0080.03712.66
5.3.120.0060.03812.66
5.3.110.0060.03812.66
5.3.100.0050.04112.11
5.3.90.0060.03612.09
5.3.80.0080.03412.07
5.3.70.0060.04212.07
5.3.60.0070.03512.07
5.3.50.0080.04012.00
5.3.40.0090.03212.00
5.3.30.0110.03711.96
5.3.20.0060.03511.73
5.3.10.0080.03511.70
5.3.00.0030.04211.69
5.2.170.0070.0319.18
5.2.160.0040.0379.19
5.2.150.0060.0299.19
5.2.140.0040.0319.18
5.2.130.0050.0299.14
5.2.120.0010.0349.14
5.2.110.0050.0299.15
5.2.100.0040.0299.14
5.2.90.0060.0279.14
5.2.80.0030.0319.14
5.2.70.0020.0319.14
5.2.60.0030.0339.09
5.2.50.0050.0359.07
5.2.40.0080.0249.04
5.2.30.0070.0279.02
5.2.20.0080.0289.00
5.2.10.0050.0278.93
5.2.00.0080.0348.79
5.1.60.0070.0248.07
5.1.50.0070.0228.07
5.1.40.0050.0238.05
5.1.30.0060.0248.39
5.1.20.0050.0258.43
5.1.10.0050.0248.14
5.1.00.0030.0278.15
5.0.50.0020.0226.63
5.0.40.0030.0196.48
5.0.30.0060.0306.29
5.0.20.0030.0196.27
5.0.10.0020.0226.24
5.0.00.0040.0296.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0060.0124.77
4.4.40.0030.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0060.0114.64
4.3.80.0060.0234.58
4.3.70.0010.0164.63
4.3.60.0040.0144.63
4.3.50.0040.0144.62
4.3.40.0010.0254.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0193.22
4.3.00.0100.0177.19

preferences:
137.93 ms | 1394 KiB | 7 Q