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; $obj = (object)array('123apple' => '456'); var_dump($obj); var_dump($obj->{'123apple'}); // Notice: Undefined property: stdClass::$123 echo $obj->123apple;

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)
5.4.320.0110.03912.50
5.4.310.0070.03812.50
5.4.300.0080.03512.50
5.4.290.0070.03712.49
5.4.280.0080.03312.39
5.4.270.0060.03512.39
5.4.260.0060.03712.39
5.4.250.0050.03912.39
5.4.240.0050.03712.39
5.4.230.0070.03812.38
5.4.220.0040.03812.38
5.4.210.0080.03512.39
5.4.200.0090.03612.38
5.4.190.0050.03712.38
5.4.180.0100.03312.38
5.4.170.0050.03812.39
5.4.160.0050.03712.39
5.4.150.0040.03812.38
5.4.140.0100.03212.07
5.4.130.0040.03612.05
5.4.120.0090.03112.02
5.4.110.0090.03212.02
5.4.100.0070.03412.02
5.4.90.0050.04012.01
5.4.80.0070.03612.01
5.4.70.0040.03712.01
5.4.60.0040.03812.01
5.4.50.0060.04012.01
5.4.40.0060.03412.00
5.4.30.0060.03612.00
5.4.20.0090.03911.99
5.4.10.0060.03611.99
5.4.00.0080.03411.48
5.3.290.0100.03712.80
5.3.280.0050.03912.71
5.3.270.0070.03912.72
5.3.260.0030.04312.72
5.3.250.0050.03912.72
5.3.240.0050.03912.72
5.3.230.0080.03712.71
5.3.220.0080.03612.68
5.3.210.0040.04212.68
5.3.200.0050.03912.68
5.3.190.0110.03412.68
5.3.180.0080.03612.67
5.3.170.0080.03612.67
5.3.160.0020.04112.67
5.3.150.0060.03912.67
5.3.140.0050.03712.66
5.3.130.0070.03912.66
5.3.120.0070.03812.66
5.3.110.0080.03812.66
5.3.100.0080.03512.12
5.3.90.0080.03512.09
5.3.80.0070.03612.07
5.3.70.0080.03412.08
5.3.60.0060.03912.06
5.3.50.0050.03712.00
5.3.40.0080.03412.00
5.3.30.0040.03611.95
5.3.20.0050.04011.73
5.3.10.0060.03511.70
5.3.00.0070.03511.68
5.2.170.0040.0319.19
5.2.160.0030.0319.19
5.2.150.0020.0339.19
5.2.140.0050.0309.18
5.2.130.0040.0309.14
5.2.120.0040.0299.14
5.2.110.0060.0289.14
5.2.100.0060.0289.14
5.2.90.0050.0299.15
5.2.80.0050.0289.14
5.2.70.0050.0299.14
5.2.60.0040.0299.10
5.2.50.0030.0319.07
5.2.40.0050.0309.04
5.2.30.0040.0309.02
5.2.20.0040.0299.01
5.2.10.0050.0278.93
5.2.00.0040.0298.79
5.1.60.0030.0258.07
5.1.50.0050.0238.07
5.1.40.0040.0258.05
5.1.30.0070.0238.39
5.1.20.0050.0268.43
5.1.10.0040.0278.14
5.1.00.0040.0298.14
5.0.50.0040.0216.63
5.0.40.0030.0196.48
5.0.30.0030.0326.30
5.0.20.0030.0196.26
5.0.10.0030.0236.25
5.0.00.0040.0316.24
4.4.90.0020.0164.78
4.4.80.0010.0174.76
4.4.70.0010.0174.76
4.4.60.0030.0184.76
4.4.50.0030.0154.77
4.4.40.0040.0254.71
4.4.30.0040.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0274.76
4.3.110.0040.0164.67
4.3.100.0060.0134.66
4.3.90.0050.0134.63
4.3.80.0040.0244.59
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0040.0224.54
4.3.30.0030.0163.29
4.3.20.0020.0163.27
4.3.10.0030.0143.22
4.3.00.0430.01313.34

preferences:
147.8 ms | 1398 KiB | 7 Q