3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->{'123'} = '456'; print_r($obj); echo 'Via Key {\'123\'} -- not a Property: ' . $obj->{'123'},"\n"; echo $obj->123; $obj->{'a123'} = $obj->{'123'}; print_r($obj); echo 'Via Property a123 which is Key: ' . $obj->a123,"\n"; $obj->a[] = $obj->{'123'}; $obj->a[] = $obj->{'a123'}; var_dump($obj); echo 'Via Property "a" and index 1: ' . $obj->a[1],"\n"; // contrast: $obj = (object)array('123' => '456'); print_r($obj); echo $obj->{'123'},"\n";

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)
5.4.320.0070.03512.50
5.4.310.0090.03512.50
5.4.300.0070.03512.51
5.4.290.0060.03812.50
5.4.280.0070.03312.39
5.4.270.0070.03912.39
5.4.260.0080.03512.39
5.4.250.0040.04212.39
5.4.240.0100.03112.39
5.4.230.0080.04112.38
5.4.220.0040.04112.38
5.4.210.0070.03412.38
5.4.200.0120.03712.38
5.4.190.0080.03712.38
5.4.180.0070.03512.38
5.4.170.0080.04612.39
5.4.160.0070.03412.39
5.4.150.0080.03412.38
5.4.140.0100.03212.07
5.4.130.0100.03712.05
5.4.120.0100.03612.02
5.4.110.0050.03912.02
5.4.100.0080.03912.01
5.4.90.0060.03712.02
5.4.80.0060.03712.02
5.4.70.0100.03612.01
5.4.60.0060.03512.01
5.4.50.0100.03812.01
5.4.40.0070.04212.00
5.4.30.0090.03612.00
5.4.20.0070.03611.99
5.4.10.0100.03512.00
5.4.00.0080.04111.49
5.3.290.0080.04112.80
5.3.280.0090.04412.70
5.3.270.0180.04512.73
5.3.260.0100.03612.72
5.3.250.0050.03912.72
5.3.240.0100.04312.72
5.3.230.0050.03812.71
5.3.220.0070.03712.68
5.3.210.0090.03612.68
5.3.200.0080.03912.68
5.3.190.0130.03112.67
5.3.180.0100.03312.67
5.3.170.0080.03512.67
5.3.160.0110.03212.68
5.3.150.0080.03512.67
5.3.140.0060.03612.66
5.3.130.0070.03712.66
5.3.120.0080.03812.66
5.3.110.0090.03512.66
5.3.100.0060.03712.12
5.3.90.0110.03212.09
5.3.80.0100.03512.07
5.3.70.0050.03712.07
5.3.60.0110.03512.07
5.3.50.0080.04112.00
5.3.40.0090.04812.00
5.3.30.0070.03611.95
5.3.20.0070.03611.73
5.3.10.0020.04011.70
5.3.00.0040.03911.68
5.2.170.0040.0319.18
5.2.160.0020.0339.18
5.2.150.0040.0419.18
5.2.140.0040.0449.18
5.2.130.0080.0379.14
5.2.120.0070.0369.14
5.2.110.0050.0309.15
5.2.100.0050.0299.14
5.2.90.0060.0309.14
5.2.80.0020.0349.14
5.2.70.0070.0319.14
5.2.60.0070.0329.09
5.2.50.0040.0309.07
5.2.40.0030.0319.04
5.2.30.0020.0339.01
5.2.20.0050.0299.00
5.2.10.0050.0288.92
5.2.00.0060.0308.79
5.1.60.0060.0288.07
5.1.50.0050.0258.06
5.1.40.0050.0248.05
5.1.30.0030.0288.40
5.1.20.0060.0258.42
5.1.10.0040.0308.14
5.1.00.0030.0308.14
5.0.50.0030.0216.63
5.0.40.0050.0186.48
5.0.30.0060.0316.29
5.0.20.0050.0196.27
5.0.10.0030.0206.25
5.0.00.0030.0316.24
4.4.90.0030.0164.78
4.4.80.0050.0134.75
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0040.0174.77
4.4.40.0060.0254.71
4.4.30.0030.0154.76
4.4.20.0000.0184.84
4.4.10.0050.0144.85
4.4.00.0050.0234.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0010.0264.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0030.0143.29
4.3.20.0030.0163.27
4.3.10.0010.0163.22
4.3.00.0030.01713.34

preferences:
142.66 ms | 1386 KiB | 7 Q