3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 'barValue'; protected $baz = 'bazValue'; private $tab = 'tabValue'; } $data = (array) new Foo(); do { $attr = each($data); $key = $attr["key"]; var_dump(explode(chr(ord("\x00")), $key)); while ($attr) var_dump($data["bar"]); var_dump($data["\0*\0baz"]); var_dump($data["\0Foo\0tab"]);

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)
5.4.350.0090.04312.03
5.4.340.0100.03412.02
5.4.320.0100.05212.51
5.4.310.0080.05612.50
5.4.300.0160.09612.51
5.4.290.0080.05212.51
5.4.280.0090.04812.40
5.4.270.0100.04212.40
5.4.260.0060.04212.40
5.4.250.0090.04012.40
5.4.240.0090.05012.40
5.4.230.0070.05412.39
5.4.220.0050.04312.39
5.4.210.0100.04412.39
5.4.200.0050.04512.39
5.4.190.0040.03912.39
5.4.180.0020.04412.39
5.4.170.0070.03812.40
5.4.160.0050.03912.40
5.4.150.0040.04712.39
5.4.140.0070.04312.08
5.4.130.0050.04312.06
5.4.120.0070.04112.03
5.4.110.0070.04212.02
5.4.100.0070.03612.02
5.4.90.0060.04212.03
5.4.80.0250.07412.02
5.4.70.0070.04512.02
5.4.60.0080.04012.02
5.4.50.0080.03712.02
5.4.40.0050.04312.00
5.4.30.0100.03712.00
5.4.20.0060.03812.00
5.4.10.0050.03812.00
5.4.00.0050.03911.49
5.3.290.0060.04212.80
5.3.280.0090.03612.70
5.3.270.0060.04812.72
5.3.260.0110.04912.72
5.3.250.0090.05212.72
5.3.240.0060.04712.72
5.3.230.0060.05212.71
5.3.220.0120.04112.68
5.3.210.0090.04512.68
5.3.200.0080.04312.68
5.3.190.0100.03712.67
5.3.180.0080.03812.67
5.3.170.0090.04012.67
5.3.160.0050.04512.68
5.3.150.0110.04512.67
5.3.140.0060.05512.66
5.3.130.0090.04212.66
5.3.120.0090.05912.66
5.3.110.0120.04212.66
5.3.100.0060.04412.12
5.3.90.0110.05712.10
5.3.80.0070.04212.09
5.3.70.0070.03912.09
5.3.60.0080.03612.07
5.3.50.0080.03612.03
5.3.40.0070.03812.02
5.3.30.0080.05211.99
5.3.20.0080.04011.77
5.3.10.0070.04511.73
5.3.00.0050.04411.72
5.2.170.0060.0309.22
5.2.160.0050.0319.22
5.2.150.0080.0329.22
5.2.140.0070.0309.21
5.2.130.0070.0339.18
5.2.120.0070.0279.18
5.2.110.0040.0349.18
5.2.100.0050.0309.18
5.2.90.0070.0299.18
5.2.80.0040.0389.18
5.2.70.0070.0359.18
5.2.60.0040.0319.13
5.2.50.0050.0309.10
5.2.40.0110.0299.07
5.2.30.0030.0329.05
5.2.20.0050.0299.04
5.2.10.0060.0288.95
5.2.00.0060.0288.82
5.1.60.0040.0298.09
5.1.50.0020.0298.09
5.1.40.0040.0258.07
5.1.30.0110.0308.42
5.1.20.0050.0278.44
5.1.10.0050.0278.16
5.1.00.0010.0308.17
5.0.50.0060.0206.65
5.0.40.0050.0226.50
5.0.30.0060.0346.31
5.0.20.0050.0226.29
5.0.10.0030.0226.26
5.0.00.0060.0356.25
4.4.90.0030.0164.78
4.4.80.0040.0214.75
4.4.70.0040.0204.76
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0060.0264.71
4.4.30.0040.0174.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0020.0174.67
4.3.100.0030.0194.66
4.3.90.0020.0154.64
4.3.80.0030.0254.59
4.3.70.0020.0164.63
4.3.60.0030.0194.63
4.3.50.0020.0214.63
4.3.40.0050.0264.54
4.3.30.0020.0193.30
4.3.20.0010.0213.28
4.3.10.0040.0143.24
4.3.00.0170.0208.45

preferences:
145.53 ms | 1394 KiB | 7 Q