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run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->123a = "foo"; $arr = (array) $obj; var_dump($arr[123a]); // Undefined offset: 123 var_dump($arr["123a"]); // Undefined offset: 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)
5.4.340.0060.03412.02
5.4.320.0060.03512.50
5.4.310.0070.03712.50
5.4.300.0070.03512.51
5.4.290.0080.03612.49
5.4.280.0080.03212.39
5.4.270.0080.03312.39
5.4.260.0070.03512.40
5.4.250.0050.03712.39
5.4.240.0070.03512.39
5.4.230.0060.04712.39
5.4.220.0090.03112.39
5.4.210.0040.03612.39
5.4.200.0080.04412.38
5.4.190.0040.03712.38
5.4.180.0120.04512.38
5.4.170.0070.03712.39
5.4.160.0070.03512.38
5.4.150.0090.03712.38
5.4.140.0050.03812.07
5.4.130.0030.03812.05
5.4.120.0050.03612.02
5.4.110.0080.03912.01
5.4.100.0080.03512.01
5.4.90.0040.03812.02
5.4.80.0080.03512.02
5.4.70.0050.03612.01
5.4.60.0050.03612.01
5.4.50.0070.03712.01
5.4.40.0080.03412.00
5.4.30.0060.03512.00
5.4.20.0070.03312.00
5.4.10.0060.03412.00
5.4.00.0050.03611.48
5.3.290.0060.03812.80
5.3.280.0080.04712.71
5.3.270.0090.03512.72
5.3.260.0040.04012.72
5.3.250.0070.03512.72
5.3.240.0100.03212.72
5.3.230.0050.03812.71
5.3.220.0050.03712.68
5.3.210.0070.03712.68
5.3.200.0050.03612.68
5.3.190.0050.03812.68
5.3.180.0070.03612.67
5.3.170.0060.03812.67
5.3.160.0090.03412.67
5.3.150.0070.03612.67
5.3.140.0060.03612.66
5.3.130.0050.04112.65
5.3.120.0070.03812.66
5.3.110.0040.04012.66
5.3.100.0060.03612.12
5.3.90.0090.03312.08
5.3.80.0040.03712.07
5.3.70.0060.03612.08
5.3.60.0070.03512.07
5.3.50.0060.04312.00
5.3.40.0030.03912.00
5.3.30.0070.03411.95
5.3.20.0070.03411.72
5.3.10.0050.03411.70
5.3.00.0080.03311.68
5.2.170.0070.0279.18
5.2.160.0080.0259.18
5.2.150.0060.0299.18
5.2.140.0040.0309.18
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0050.0299.14
5.2.100.0050.0279.14
5.2.90.0050.0289.14
5.2.80.0050.0309.14
5.2.70.0050.0299.14
5.2.60.0030.0329.09
5.2.50.0030.0319.06
5.2.40.0060.0279.04
5.2.30.0030.0319.02
5.2.20.0040.0339.01
5.2.10.0040.0318.93
5.2.00.0080.0388.78
5.1.60.0170.0498.07
5.1.50.0050.0338.06
5.1.40.0060.0268.04
5.1.30.0080.0348.39
5.1.20.0040.0388.42
5.1.10.0060.0298.14
5.1.00.0040.0388.14
5.0.50.0060.0256.62
5.0.40.0050.0266.48
5.0.30.0040.0336.29
5.0.20.0020.0206.26
5.0.10.0030.0206.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0040.0144.75
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0020.0324.71
4.4.30.0000.0204.76
4.4.20.0030.0234.84
4.4.10.0020.0244.85
4.4.00.0030.0344.76
4.3.110.0040.0224.66
4.3.100.0040.0144.67
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0173.29
4.3.20.0010.0223.27
4.3.10.0020.0163.22
4.3.00.0070.0237.50

preferences:
142.12 ms | 1394 KiB | 7 Q