3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $foo = 'foo'; protected $bar = 'two'; private $baz = 'three'; } $obj = new Foo(); $arr = (array) $obj; $cls = get_class($obj); var_dump(isset($b["\0*\0bar"])); var_dump(isset($b["\0Foo\0baz"])); var_dump($arr); foreach ($arr as &$key => $value) { $key = str_replace(["\0*\0", "\0" . $cls . "\0"], ['', ''], $key);} var_dump($arr);

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)
5.4.320.0050.03712.51
5.4.310.0040.03912.50
5.4.300.0070.03612.50
5.4.290.0080.03612.50
5.4.280.0090.03512.40
5.4.270.0090.03812.40
5.4.260.0040.04312.40
5.4.250.0040.03912.40
5.4.240.0060.03612.40
5.4.230.0060.05512.39
5.4.220.0070.03712.39
5.4.210.0040.03812.39
5.4.200.0050.03912.39
5.4.190.0090.03812.39
5.4.180.0050.03812.39
5.4.170.0050.03812.40
5.4.160.0030.03812.39
5.4.150.0050.03712.39
5.4.140.0090.03312.08
5.4.130.0060.03812.06
5.4.120.0030.03812.02
5.4.110.0050.03712.02
5.4.100.0080.04312.02
5.4.90.0030.04012.02
5.4.80.0040.04112.02
5.4.70.0050.03512.01
5.4.60.0110.03612.02
5.4.50.0040.04112.02
5.4.40.0050.04912.00
5.4.30.0070.04912.00
5.4.20.0090.03512.00
5.4.10.0060.03612.00
5.4.00.0080.03911.49
5.3.290.0060.04112.80
5.3.280.0030.04112.71
5.3.270.0090.03512.73
5.3.260.0060.03812.71
5.3.250.0080.03512.72
5.3.240.0110.04412.72
5.3.230.0060.04012.71
5.3.220.0070.03712.68
5.3.210.0080.03912.68
5.3.200.0090.04012.68
5.3.190.0090.05212.68
5.3.180.0070.05112.67
5.3.170.0080.03712.67
5.3.160.0070.04212.67
5.3.150.0080.03612.67
5.3.140.0100.03212.66
5.3.130.0080.03712.66
5.3.120.0090.03612.66
5.3.110.0100.03512.66
5.3.100.0110.03512.12
5.3.90.0110.03312.10
5.3.80.0030.03912.09
5.3.70.0050.03812.09
5.3.60.0060.03812.07
5.3.50.0060.03612.02
5.3.40.0060.03612.02
5.3.30.0120.03111.98
5.3.20.0070.03911.76
5.3.10.0090.03411.73
5.3.00.0060.03911.71
5.2.170.0040.0409.21
5.2.160.0040.0299.22
5.2.150.0090.0299.22
5.2.140.0060.0309.21
5.2.130.0100.0269.17
5.2.120.0030.0319.17
5.2.110.0070.0279.18
5.2.100.0050.0289.18
5.2.90.0030.0319.18
5.2.80.0070.0289.17
5.2.70.0040.0319.18
5.2.60.0060.0289.13
5.2.50.0060.0289.09
5.2.40.0030.0309.07
5.2.30.0060.0289.05
5.2.20.0060.0279.04
5.2.10.0050.0288.94
5.2.00.0030.0308.81
5.1.60.0040.0238.09
5.1.50.0050.0238.08
5.1.40.0040.0248.07
5.1.30.0020.0288.41
5.1.20.0070.0268.43
5.1.10.0060.0248.16
5.1.00.0060.0318.16
5.0.50.0040.0206.64
5.0.40.0030.0196.49
5.0.30.0020.0326.31
5.0.20.0040.0196.28
5.0.10.0040.0246.25
5.0.00.0040.0306.24
4.4.90.0010.0184.78
4.4.80.0030.0154.76
4.4.70.0040.0144.76
4.4.60.0050.0134.76
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0030.0214.76
4.4.20.0030.0164.84
4.4.10.0050.0154.84
4.4.00.0010.0264.76
4.3.110.0020.0164.66
4.3.100.0060.0124.66
4.3.90.0030.0144.64
4.3.80.0030.0324.58
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0030.0264.54
4.3.30.0020.0213.30
4.3.20.0000.0233.28
4.3.10.0010.0183.23
4.3.00.0130.0237.21

preferences:
144.28 ms | 1394 KiB | 7 Q