3v4l.org

run code in 300+ PHP versions simultaneously
<?php class y { private $ppp = 123; public function __toString() { return __CLASS__; } } class x { public function __construct() { $x =& $this; $x = new y; echo $this::class; } } new x;

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)
8.3.60.0110.00416.75
8.3.50.0050.01022.91
8.3.40.0030.01218.85
8.3.30.0040.01219.12
8.3.20.0000.00720.35
8.3.10.0000.00821.96
8.3.00.0030.00517.50
8.2.180.0040.01116.62
8.2.170.0170.00322.96
8.2.160.0090.00622.00
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00420.95
8.2.110.0060.00322.31
8.2.100.0050.00518.72
8.1.280.0070.00725.92
8.1.270.0080.00023.82
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0030.00618.41
8.1.230.0050.00518.52
5.4.310.0050.04312.52
5.4.300.0080.03512.52
5.4.290.0070.03712.51
5.4.280.0070.03912.41
5.4.270.0060.04312.41
5.4.260.0080.03612.41
5.4.250.0060.03812.41
5.4.240.0070.04012.41
5.4.230.0060.04412.41
5.4.220.0080.03712.40
5.4.210.0040.03712.41
5.4.200.0040.04012.41
5.4.190.0110.03312.40
5.4.180.0070.03512.40
5.4.170.0120.03412.41
5.4.160.0070.03612.41
5.4.150.0080.03412.40
5.4.140.0090.03412.09
5.4.130.0050.03912.07
5.4.120.0040.03812.04
5.4.110.0080.03512.04
5.4.100.0080.03412.04
5.4.90.0080.03412.03
5.4.80.0070.03712.04
5.4.70.0050.03612.03
5.4.60.0050.03612.03
5.4.50.0080.03712.03
5.4.40.0050.03912.02
5.4.30.0110.03412.01
5.4.20.0090.03312.01
5.4.10.0090.03712.02
5.4.00.0060.03811.51
5.3.280.0090.04012.71
5.3.270.0060.05312.72
5.3.260.0080.04012.72
5.3.250.0070.03712.71
5.3.240.0060.04112.72
5.3.230.0050.04112.71
5.3.220.0060.03912.68
5.3.210.0060.04112.68
5.3.200.0070.03812.68
5.3.190.0080.03812.68
5.3.180.0060.04312.68
5.3.170.0060.03912.67
5.3.160.0090.04512.67
5.3.150.0080.03812.67
5.3.140.0070.03912.66
5.3.130.0080.04012.66
5.3.120.0060.03912.66
5.3.110.0070.03812.66
5.3.100.0090.03512.13
5.3.90.0090.03312.11
5.3.80.0100.03912.09
5.3.70.0060.03612.10
5.3.60.0130.02812.09
5.3.50.0090.03512.03
5.3.40.0060.03812.03
5.3.30.0050.03511.98
5.3.20.0080.03311.77
5.3.10.0060.03411.74
5.3.00.0090.03611.72
5.2.170.0060.0329.23
5.2.160.0060.0289.23
5.2.150.0040.0329.22
5.2.140.0060.0299.22
5.2.130.0030.0309.18
5.2.120.0040.0289.18
5.2.110.0030.0319.19
5.2.100.0060.0279.18
5.2.90.0070.0279.18
5.2.80.0020.0349.19
5.2.70.0050.0309.18
5.2.60.0050.0299.13
5.2.50.0050.0299.11
5.2.40.0050.0369.08
5.2.30.0070.0289.05
5.2.20.0080.0269.04
5.2.10.0060.0278.95
5.2.00.0070.0288.82
5.1.60.0080.0218.09
5.1.50.0030.0268.09
5.1.40.0050.0248.07
5.1.30.0040.0268.43
5.1.20.0090.0218.45
5.1.10.0050.0258.17
5.1.00.0160.0148.17
5.0.50.0050.0226.65
5.0.40.0040.0186.51
5.0.30.0020.0326.32
5.0.20.0070.0166.29
5.0.10.0050.0186.26
5.0.00.0030.0316.25
4.4.90.0020.0164.78
4.4.80.0050.0134.76
4.4.70.0040.0144.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0040.0154.84
4.4.10.0010.0204.85
4.4.00.0070.0214.76
4.3.110.0030.0164.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0010.0264.58
4.3.70.0030.0154.63
4.3.60.0040.0134.63
4.3.50.0050.0144.63
4.3.40.0040.0234.54
4.3.30.0030.0163.30
4.3.20.0040.0143.28
4.3.10.0010.0173.23
4.3.00.0000.0237.11

preferences:
36.35 ms | 401 KiB | 5 Q