3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $c = 0; public function A($c) { print($this->c); print($c); } } class B extends A { public function B$c) { parent::__construct(++$this->c > 0 ? ++$c : -1); } } $b = new B(2);

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)
5.4.320.0070.03412.52
5.4.310.0050.03712.52
5.4.300.0050.03612.52
5.4.290.0040.03912.52
5.4.280.0050.03412.41
5.4.270.0090.03712.41
5.4.260.0050.03612.41
5.4.250.0050.03712.41
5.4.240.0050.03512.41
5.4.230.0080.03412.41
5.4.220.0040.03712.41
5.4.210.0020.03812.41
5.4.200.0070.03512.40
5.4.190.0080.03212.40
5.4.180.0040.03612.40
5.4.170.0070.04012.41
5.4.160.0070.03812.41
5.4.150.0060.03312.40
5.4.140.0070.03412.09
5.4.130.0060.03912.07
5.4.120.0030.03712.04
5.4.110.0080.03212.03
5.4.100.0070.03412.04
5.4.90.0060.04212.04
5.4.80.0060.03512.04
5.4.70.0040.03412.04
5.4.60.0040.03512.03
5.4.50.0040.03512.03
5.4.40.0070.03212.02
5.4.30.0050.03412.01
5.4.20.0040.03612.01
5.4.10.0030.03812.02
5.4.00.0050.03711.51
5.3.290.0070.03712.80
5.3.280.0070.03712.71
5.3.270.0060.03812.73
5.3.260.0060.03812.72
5.3.250.0090.03612.72
5.3.240.0040.03812.72
5.3.230.0020.03912.71
5.3.220.0050.03612.68
5.3.210.0040.04012.68
5.3.200.0080.03612.68
5.3.190.0040.03812.68
5.3.180.0040.03712.68
5.3.170.0030.03912.67
5.3.160.0070.03312.68
5.3.150.0090.03212.67
5.3.140.0110.03812.66
5.3.130.0060.04312.66
5.3.120.0020.04112.66
5.3.110.0040.04412.66
5.3.100.0040.03712.13
5.3.90.0070.04012.11
5.3.80.0050.03612.10
5.3.70.0090.03212.10
5.3.60.0030.04112.09
5.3.50.0050.03612.03
5.3.40.0090.03812.03
5.3.30.0030.03711.99
5.3.20.0050.03411.77
5.3.10.0030.03511.74
5.3.00.0060.03411.72
5.2.170.0060.0299.23
5.2.160.0080.0249.22
5.2.150.0060.0289.23
5.2.140.0050.0289.22
5.2.130.0110.0339.18
5.2.120.0070.0279.18
5.2.110.0020.0309.19
5.2.100.0040.0289.18
5.2.90.0050.0329.18
5.2.80.0080.0289.18
5.2.70.0030.0319.18
5.2.60.0060.0349.13
5.2.50.0070.0299.10
5.2.40.0010.0319.07
5.2.30.0060.0339.05
5.2.20.0050.0279.04
5.2.10.0040.0278.95
5.2.00.0030.0358.81
5.1.60.0050.0248.09
5.1.50.0030.0258.09
5.1.40.0040.0238.07
5.1.30.0040.0258.42
5.1.20.0040.0258.45
5.1.10.0040.0258.17
5.1.00.0040.0308.17
5.0.50.0040.0256.65
5.0.40.0010.0206.50
5.0.30.0010.0346.32
5.0.20.0020.0206.29
5.0.10.0020.0206.26
5.0.00.0010.0326.25
4.4.90.0030.0144.78
4.4.80.0030.0144.75
4.4.70.0020.0214.75
4.4.60.0030.0144.76
4.4.50.0030.0144.77
4.4.40.0040.0274.71
4.4.30.0030.0194.76
4.4.20.0040.0174.84
4.4.10.0010.0164.85
4.4.00.0030.0234.76
4.3.110.0040.0184.66
4.3.100.0040.0224.66
4.3.90.0060.0184.64
4.3.80.0020.0304.58
4.3.70.0010.0174.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0050.0224.54
4.3.30.0030.0153.30
4.3.20.0010.0163.28
4.3.10.0010.0163.23
4.3.00.0030.0277.12

preferences:
141.13 ms | 1394 KiB | 7 Q