3v4l.org

run code in 300+ PHP versions simultaneously
<?php class YourClass { function __construct() { $x = function() { echo __CLASS__; } $x(); } } class MyClass extends YourClass { function __construct() { parent::__construct(); } } $x = new MyClass();

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)
5.4.320.0060.03612.52
5.4.310.0090.03712.52
5.4.300.0060.03712.52
5.4.290.0040.04412.51
5.4.280.0050.03512.41
5.4.270.0060.03412.41
5.4.260.0080.03512.41
5.4.250.0050.03812.41
5.4.240.0050.03612.41
5.4.230.0030.04112.40
5.4.220.0040.03712.41
5.4.210.0040.03612.40
5.4.200.0070.04112.41
5.4.190.0080.03412.40
5.4.180.0090.03212.40
5.4.170.0060.03512.41
5.4.160.0080.03312.40
5.4.150.0040.03712.40
5.4.140.0070.03512.09
5.4.130.0040.03612.07
5.4.120.0050.03612.04
5.4.110.0070.03612.04
5.4.100.0060.03712.03
5.4.90.0050.03812.04
5.4.80.0070.03612.04
5.4.70.0040.03612.03
5.4.60.0050.03412.03
5.4.50.0090.03112.03
5.4.40.0070.03212.02
5.4.30.0050.03512.02
5.4.20.0040.03712.01
5.4.10.0070.03212.01
5.4.00.0040.03711.51
5.3.290.0100.03512.80
5.3.280.0110.03212.71
5.3.270.0060.03812.73
5.3.260.0040.04012.72
5.3.250.0060.03612.72
5.3.240.0050.03712.72
5.3.230.0070.03612.71
5.3.220.0090.03312.68
5.3.210.0050.04012.68
5.3.200.0030.03912.68
5.3.190.0080.03612.68
5.3.180.0070.03612.67
5.3.170.0060.03712.67
5.3.160.0050.03812.67
5.3.150.0060.03912.68
5.3.140.0080.03412.66
5.3.130.0090.03612.66
5.3.120.0070.04312.66
5.3.110.0060.03912.65
5.3.100.0060.03612.13
5.3.90.0070.03512.11
5.3.80.0060.03612.10
5.3.70.0060.03512.10
5.3.60.0040.03712.09
5.3.50.0090.03312.03
5.3.40.0100.03212.04
5.3.30.0050.03711.99
5.3.20.0030.03811.77
5.3.10.0070.03611.73
5.3.00.0040.03811.72
5.2.170.0040.0309.22
5.2.160.0040.0289.22
5.2.150.0010.0339.22
5.2.140.0080.0259.21
5.2.130.0050.0279.18
5.2.120.0070.0249.18
5.2.110.0030.0299.18
5.2.100.0050.0279.18
5.2.90.0020.0309.18
5.2.80.0060.0319.17
5.2.70.0080.0279.18
5.2.60.0080.0329.13
5.2.50.0060.0289.10
5.2.40.0060.0269.07
5.2.30.0060.0309.05
5.2.20.0050.0289.04
5.2.10.0050.0328.94
5.2.00.0050.0278.80
5.1.60.0050.0268.09
5.1.50.0060.0278.09
5.1.40.0040.0288.07
5.1.30.0050.0298.42
5.1.20.0060.0278.44
5.1.10.0040.0298.17
5.1.00.0040.0258.17
5.0.50.0030.0236.64
5.0.40.0000.0236.50
5.0.30.0100.0326.31
5.0.20.0030.0226.28
5.0.10.0060.0176.26
5.0.00.0050.0286.25
4.4.90.0060.0174.78
4.4.80.0020.0204.75
4.4.70.0060.0194.76
4.4.60.0030.0174.75
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0020.0184.76
4.4.20.0050.0144.85
4.4.10.0030.0144.85
4.4.00.0040.0234.75
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0204.63
4.3.80.0030.0304.58
4.3.70.0020.0144.63
4.3.60.0010.0184.63
4.3.50.0010.0164.62
4.3.40.0030.0234.53
4.3.30.0030.0143.30
4.3.20.0030.0223.28
4.3.10.0010.0183.24
4.3.00.0070.01016.03

preferences:
143.74 ms | 1386 KiB | 7 Q