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"; $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 Array Indexing: ' . $obj->a[1],"\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)
5.4.320.0040.04312.50
5.4.310.0060.03912.49
5.4.300.0050.03712.50
5.4.290.0070.03712.49
5.4.280.0050.04212.39
5.4.270.0080.03612.39
5.4.260.0080.03612.39
5.4.250.0080.03612.39
5.4.240.0060.03612.39
5.4.230.0090.03512.39
5.4.220.0050.03712.39
5.4.210.0070.03512.39
5.4.200.0070.03712.39
5.4.190.0080.03412.38
5.4.180.0050.03712.38
5.4.170.0070.04012.39
5.4.160.0110.03312.38
5.4.150.0040.03812.38
5.4.140.0050.03812.07
5.4.130.0030.03912.05
5.4.120.0040.03812.02
5.4.110.0070.03512.02
5.4.100.0070.04012.01
5.4.90.0060.04112.02
5.4.80.0080.04412.01
5.4.70.0100.03112.01
5.4.60.0100.03112.01
5.4.50.0070.03512.01
5.4.40.0050.03612.00
5.4.30.0070.04412.00
5.4.20.0020.03911.99
5.4.10.0080.03212.00
5.4.00.0050.03611.49
5.3.290.0150.03312.80
5.3.280.0080.03512.71
5.3.270.0070.03812.73
5.3.260.0060.03912.72
5.3.250.0060.03912.72
5.3.240.0050.03912.72
5.3.230.0100.03612.70
5.3.220.0060.03912.68
5.3.210.0060.04012.68
5.3.200.0050.03712.68
5.3.190.0080.03712.68
5.3.180.0070.03612.67
5.3.170.0060.03712.67
5.3.160.0060.03712.68
5.3.150.0060.03712.67
5.3.140.0110.03312.66
5.3.130.0060.03912.66
5.3.120.0060.03912.66
5.3.110.0100.03612.66
5.3.100.0050.04212.12
5.3.90.0130.04412.09
5.3.80.0090.03512.07
5.3.70.0050.04212.07
5.3.60.0070.03812.06
5.3.50.0030.04312.00
5.3.40.0090.03912.00
5.3.30.0080.03611.95
5.3.20.0120.03111.73
5.3.10.0070.03411.70
5.3.00.0060.03711.68
5.2.170.0030.0329.18
5.2.160.0040.0309.19
5.2.150.0040.0319.18
5.2.140.0010.0359.18
5.2.130.0060.0299.14
5.2.120.0090.0259.14
5.2.110.0050.0299.15
5.2.100.0040.0299.14
5.2.90.0070.0279.14
5.2.80.0050.0309.14
5.2.70.0040.0309.14
5.2.60.0070.0289.10
5.2.50.0050.0299.06
5.2.40.0040.0289.04
5.2.30.0090.0269.01
5.2.20.0050.0289.00
5.2.10.0060.0268.93
5.2.00.0050.0288.79
5.1.60.0030.0258.07
5.1.50.0050.0258.07
5.1.40.0050.0238.04
5.1.30.0050.0288.40
5.1.20.0040.0268.42
5.1.10.0050.0258.14
5.1.00.0040.0258.14
5.0.50.0030.0216.63
5.0.40.0020.0216.48
5.0.30.0040.0346.30
5.0.20.0050.0186.26
5.0.10.0020.0216.24
5.0.00.0040.0306.23
4.4.90.0020.0174.77
4.4.80.0040.0154.75
4.4.70.0030.0184.75
4.4.60.0040.0144.75
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0164.84
4.4.10.0020.0164.85
4.4.00.0040.0264.76
4.3.110.0030.0174.67
4.3.100.0040.0154.67
4.3.90.0010.0164.64
4.3.80.0020.0254.59
4.3.70.0020.0144.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0050.0153.29
4.3.20.0030.0163.27
4.3.10.0000.0193.22
4.3.00.0030.01013.34

preferences:
140.48 ms | 1386 KiB | 7 Q