3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ private static $this; protected $a = true; public function __construct(){ //self::$this = new Foo(); echo "From Foo()"; } public static function init(){ $that = new __CLASS__; var_dump($that); //var_dump(self::$this); echo "From Foo::init()"; } public function test(){ echo "called from static"; } } Foo::init();

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)
5.4.320.0030.03912.51
5.4.310.0040.03912.51
5.4.300.0050.03712.52
5.4.290.0040.03912.51
5.4.280.0040.03612.41
5.4.270.0030.04112.41
5.4.260.0030.04012.41
5.4.250.0070.03512.41
5.4.240.0070.03412.41
5.4.230.0060.03712.40
5.4.220.0040.03812.40
5.4.210.0070.03412.40
5.4.200.0030.04012.40
5.4.190.0060.03612.40
5.4.180.0060.03612.39
5.4.170.0060.04212.41
5.4.160.0070.03412.40
5.4.150.0070.03412.40
5.4.140.0080.03412.09
5.4.130.0050.03612.07
5.4.120.0040.04012.04
5.4.110.0060.04112.03
5.4.100.0060.03512.03
5.4.90.0060.03712.03
5.4.80.0040.03812.04
5.4.70.0070.03612.03
5.4.60.0090.03812.03
5.4.50.0050.03512.03
5.4.40.0080.03212.02
5.4.30.0060.03612.01
5.4.20.0060.03912.00
5.4.10.0060.04312.01
5.4.00.0060.03511.50
5.3.290.0050.04012.80
5.3.280.0070.04112.71
5.3.270.0110.03412.73
5.3.260.0080.04312.72
5.3.250.0090.03412.72
5.3.240.0060.04112.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0070.04012.68
5.3.200.0070.05212.68
5.3.190.0020.04412.68
5.3.180.0060.03612.67
5.3.170.0090.03612.67
5.3.160.0050.03812.67
5.3.150.0080.04112.67
5.3.140.0050.03712.66
5.3.130.0040.04112.66
5.3.120.0060.03812.66
5.3.110.0090.04012.66
5.3.100.0040.04212.13
5.3.90.0080.04512.11
5.3.80.0130.04312.10
5.3.70.0080.04612.09
5.3.60.0040.04412.09
5.3.50.0060.03912.03
5.3.40.0080.03512.03
5.3.30.0050.03611.98
5.3.20.0100.03311.77
5.3.10.0090.03711.74
5.3.00.0060.03711.72
5.2.170.0030.0399.23
5.2.160.0050.0299.23
5.2.150.0050.0299.22
5.2.140.0040.0319.22
5.2.130.0020.0329.18
5.2.120.0030.0309.18
5.2.110.0040.0349.19
5.2.100.0050.0289.18
5.2.90.0050.0289.18
5.2.80.0040.0339.18
5.2.70.0040.0319.18
5.2.60.0060.0289.13
5.2.50.0040.0309.10
5.2.40.0040.0299.08
5.2.30.0010.0339.05
5.2.20.0040.0299.04
5.2.10.0050.0278.95
5.2.00.0060.0278.82
5.1.60.0030.0248.09
5.1.50.0030.0288.09
5.1.40.0010.0288.07
5.1.30.0060.0258.43
5.1.20.0090.0228.45
5.1.10.0040.0278.16
5.1.00.0040.0258.17
5.0.50.0030.0216.64
5.0.40.0040.0186.50
5.0.30.0060.0306.32
5.0.20.0030.0196.29
5.0.10.0050.0186.26
5.0.00.0030.0306.25
4.4.90.0030.0164.78
4.4.80.0030.0174.75
4.4.70.0050.0184.75
4.4.60.0060.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0274.70
4.4.30.0040.0144.76
4.4.20.0050.0134.84
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0010.0164.66
4.3.90.0030.0144.64
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0040.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0284.54
4.3.30.0030.0213.30
4.3.20.0020.0163.28
4.3.10.0020.0153.24
4.3.00.0070.02015.63

preferences:
142.45 ms | 1394 KiB | 7 Q