3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('apple' => '456'); var_dump($obj); var_dump($obj->{'apple'}); // Notice: Undefined property: stdClass::$123 echo $obj->apple; $obj = (object)array('123' => '456'); var_dump($obj); var_dump($obj->{'123'}); // Notice: Undefined property: stdClass::$123 echo $obj->123;

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)
5.4.320.0070.03612.50
5.4.310.0070.05512.50
5.4.300.0060.03712.50
5.4.290.0070.04012.50
5.4.280.0060.03512.39
5.4.270.0050.03912.39
5.4.260.0070.03712.39
5.4.250.0080.04312.39
5.4.240.0040.03812.39
5.4.230.0060.03812.39
5.4.220.0030.03912.38
5.4.210.0050.03712.38
5.4.200.0060.03812.38
5.4.190.0030.03912.38
5.4.180.0060.03512.38
5.4.170.0070.03512.39
5.4.160.0050.03612.39
5.4.150.0050.03712.38
5.4.140.0050.03812.07
5.4.130.0060.03512.05
5.4.120.0060.03512.02
5.4.110.0040.03712.01
5.4.100.0060.03412.01
5.4.90.0070.03512.02
5.4.80.0070.03512.01
5.4.70.0060.03412.01
5.4.60.0070.04312.01
5.4.50.0040.03812.01
5.4.40.0080.03312.00
5.4.30.0040.03712.00
5.4.20.0020.03911.99
5.4.10.0070.03412.00
5.4.00.0070.03511.48
5.3.290.0090.03712.80
5.3.280.0050.04612.71
5.3.270.0080.04012.73
5.3.260.0070.03912.72
5.3.250.0060.03812.72
5.3.240.0040.03912.72
5.3.230.0070.03812.71
5.3.220.0090.03812.68
5.3.210.0110.04112.68
5.3.200.0020.04212.68
5.3.190.0070.03612.68
5.3.180.0100.03712.68
5.3.170.0080.03512.67
5.3.160.0070.03512.67
5.3.150.0040.04012.67
5.3.140.0040.03812.66
5.3.130.0090.04012.66
5.3.120.0070.03912.66
5.3.110.0040.04112.66
5.3.100.0060.03712.12
5.3.90.0100.03212.08
5.3.80.0070.03612.08
5.3.70.0050.03712.08
5.3.60.0050.03812.06
5.3.50.0070.03512.00
5.3.40.0080.03412.00
5.3.30.0070.03411.95
5.3.20.0040.03611.73
5.3.10.0050.03611.70
5.3.00.0070.03511.68
5.2.170.0060.0299.18
5.2.160.0010.0329.18
5.2.150.0050.0309.18
5.2.140.0030.0319.18
5.2.130.0060.0279.14
5.2.120.0070.0259.14
5.2.110.0070.0279.14
5.2.100.0060.0279.14
5.2.90.0050.0309.14
5.2.80.0050.0329.14
5.2.70.0020.0339.14
5.2.60.0010.0349.10
5.2.50.0040.0319.06
5.2.40.0050.0289.04
5.2.30.0030.0319.02
5.2.20.0010.0329.01
5.2.10.0080.0258.93
5.2.00.0090.0248.79
5.1.60.0060.0228.07
5.1.50.0050.0238.06
5.1.40.0020.0268.05
5.1.30.0070.0238.39
5.1.20.0030.0278.42
5.1.10.0060.0248.15
5.1.00.0070.0238.14
5.0.50.0010.0236.62
5.0.40.0050.0176.48
5.0.30.0030.0326.29
5.0.20.0030.0196.27
5.0.10.0040.0196.24
5.0.00.0060.0286.23
4.4.90.0020.0154.78
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0030.0154.76
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0050.0134.85
4.4.10.0030.0154.85
4.4.00.0000.0274.76
4.3.110.0020.0164.66
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0050.0134.63
4.3.40.0020.0254.54
4.3.30.0030.0153.29
4.3.20.0010.0173.27
4.3.10.0020.0153.23
4.3.00.0000.03713.34

preferences:
146.42 ms | 1394 KiB | 7 Q