3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Dog\Bark { class test{ } } namespace Cat { use Dog\Bark; class test2 { public function __construct( ){ new Bark\test(); } } $x = new Cat\test2();

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)
5.4.320.0060.04112.52
5.4.310.0040.04012.51
5.4.300.0050.03712.51
5.4.290.0050.03812.50
5.4.280.0060.03412.40
5.4.270.0120.04312.41
5.4.260.0040.03912.41
5.4.250.0020.04212.40
5.4.240.0010.03812.40
5.4.230.0090.03212.39
5.4.220.0040.03712.40
5.4.210.0040.03512.40
5.4.200.0090.04312.39
5.4.190.0030.04212.39
5.4.180.0070.03312.39
5.4.170.0060.03512.40
5.4.160.0060.03412.40
5.4.150.0080.03912.40
5.4.140.0070.04012.08
5.4.130.0050.03512.07
5.4.120.0040.03512.03
5.4.110.0080.03612.03
5.4.100.0080.03612.03
5.4.90.0070.03412.03
5.4.80.0050.03612.03
5.4.70.0070.03312.02
5.4.60.0070.03212.02
5.4.50.0070.03412.02
5.4.40.0050.03412.01
5.4.30.0040.03712.00
5.4.20.0060.03712.00
5.4.10.0030.03612.01
5.4.00.0040.03711.50
5.3.290.0070.03812.80
5.3.280.0080.04012.71
5.3.270.0100.04512.72
5.3.260.0040.04112.72
5.3.250.0080.04412.72
5.3.240.0090.05212.72
5.3.230.0070.04212.71
5.3.220.0080.05112.68
5.3.210.0150.04412.68
5.3.200.0070.03812.68
5.3.190.0160.03612.68
5.3.180.0100.04512.67
5.3.170.0060.04512.67
5.3.160.0080.03912.67
5.3.150.0030.04312.67
5.3.140.0070.03912.66
5.3.130.0050.04012.66
5.3.120.0080.03712.66
5.3.110.0090.03812.66
5.3.100.0070.04212.13
5.3.90.0040.03712.11
5.3.80.0080.03312.11
5.3.70.0050.03612.11
5.3.60.0050.03712.09
5.3.50.0100.03112.04
5.3.40.0060.03512.04
5.3.30.0070.03312.00
5.3.20.0080.03311.79
5.3.10.0050.03511.74
5.3.00.0090.03311.73
5.2.170.0040.0319.18
5.2.160.0040.0299.18
5.2.150.0080.0269.18
5.2.140.0070.0289.18
5.2.130.0080.0269.14
5.2.120.0050.0279.14
5.2.110.0030.0309.14
5.2.100.0060.0269.14
5.2.90.0040.0299.14
5.2.80.0040.0309.14
5.2.70.0050.0299.14
5.2.60.0040.0309.09
5.2.50.0090.0259.06
5.2.40.0060.0279.04
5.2.30.0060.0289.01
5.2.20.0020.0319.00
5.2.10.0070.0258.92
5.2.00.0040.0298.78
5.1.60.0040.0238.07
5.1.50.0060.0248.06
5.1.40.0050.0258.05
5.1.30.0070.0268.40
5.1.20.0050.0268.42
5.1.10.0020.0278.14
5.1.00.0040.0258.14
5.0.50.0120.0116.62
5.0.40.0030.0196.47
5.0.30.0080.0266.29
5.0.20.0050.0186.26
5.0.10.0060.0176.24
5.0.00.0040.0306.23
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0020.0164.75
4.4.60.0060.0124.76
4.4.50.0040.0134.77
4.4.40.0020.0254.70
4.4.30.0030.0154.75
4.4.20.0010.0174.85
4.4.10.0010.0184.85
4.4.00.0050.0254.76
4.3.110.0020.0174.67
4.3.100.0010.0174.66
4.3.90.0010.0164.63
4.3.80.0030.0244.58
4.3.70.0010.0174.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0030.0244.54
4.3.30.0010.0173.28
4.3.20.0080.0103.26
4.3.10.0030.0153.22
4.3.00.0200.0137.09

preferences:
152.23 ms | 1394 KiB | 7 Q