3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace igorw; define('igorw\\true', 'lolol'); define('igorw\\false', 'ohyeahhh'); const NULL = 0; // fatal error; const true = 'stupid'; // also fatal error; var_dump( true, false );

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)
5.4.320.0030.04612.46
5.4.310.0080.03912.46
5.4.300.0060.03612.46
5.4.290.0090.03412.46
5.4.280.0050.03612.36
5.4.270.0090.03612.36
5.4.260.0090.03812.36
5.4.250.0080.03512.36
5.4.240.0080.03512.36
5.4.230.0050.04112.35
5.4.220.0080.03612.35
5.4.210.0060.04112.35
5.4.200.0120.05112.35
5.4.190.0130.06012.35
5.4.180.0080.03512.34
5.4.170.0070.03612.36
5.4.160.0080.03412.35
5.4.150.0060.04312.35
5.4.140.0080.03512.04
5.4.130.0070.03512.02
5.4.120.0090.03211.98
5.4.110.0040.03811.98
5.4.100.0090.03311.98
5.4.90.0080.03411.97
5.4.80.0090.03411.98
5.4.70.0060.03511.97
5.4.60.0070.03311.97
5.4.50.0070.03411.97
5.4.40.0050.03411.96
5.4.30.0070.03411.96
5.4.20.0050.03611.96
5.4.10.0060.03511.95
5.4.00.0090.03211.45
5.3.290.0040.04212.80
5.3.280.0070.04612.71
5.3.270.0090.04212.72
5.3.260.0060.03912.72
5.3.250.0090.03412.72
5.3.240.0070.04112.72
5.3.230.0100.03312.71
5.3.220.0060.03812.68
5.3.210.0060.04012.68
5.3.200.0070.03912.68
5.3.190.0070.04112.68
5.3.180.0080.04512.68
5.3.170.0080.04212.67
5.3.160.0060.03812.68
5.3.150.0070.03712.68
5.3.140.0070.03712.66
5.3.130.0070.03812.66
5.3.120.0070.04212.66
5.3.110.0070.03812.66
5.3.100.0040.03812.12
5.3.90.0040.03812.09
5.3.80.0050.03812.07
5.3.70.0070.03512.07
5.3.60.0070.03912.06
5.3.50.0070.03512.00
5.3.40.0070.03912.00
5.3.30.0060.03511.94
5.3.20.0090.03211.72
5.3.10.0040.03811.70
5.3.00.0020.04111.68
5.2.170.0030.0319.18
5.2.160.0070.0339.18
5.2.150.0060.0319.18
5.2.140.0040.0319.18
5.2.130.0060.0279.14
5.2.120.0050.0289.14
5.2.110.0060.0279.14
5.2.100.0060.0289.14
5.2.90.0040.0319.14
5.2.80.0050.0309.14
5.2.70.0030.0339.14
5.2.60.0060.0299.09
5.2.50.0060.0339.06
5.2.40.0050.0309.03
5.2.30.0060.0349.01
5.2.20.0030.0319.00
5.2.10.0060.0278.92
5.2.00.0050.0298.78
5.1.60.0050.0238.07
5.1.50.0060.0238.06
5.1.40.0020.0288.05
5.1.30.0040.0278.40
5.1.20.0070.0258.42
5.1.10.0050.0258.14
5.1.00.0050.0308.14
5.0.50.0060.0256.62
5.0.40.0060.0246.48
5.0.30.0030.0336.29
5.0.20.0060.0196.26
5.0.10.0040.0186.24
5.0.00.0030.0306.23
4.4.90.0010.0164.78
4.4.80.0020.0154.76
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0040.0234.71
4.4.30.0050.0124.76
4.4.20.0040.0134.85
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0020.0154.67
4.3.100.0020.0154.67
4.3.90.0020.0144.63
4.3.80.0020.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0010.0163.29
4.3.20.0030.0153.26
4.3.10.0040.0133.22
4.3.00.0070.02014.41

preferences:
141.01 ms | 1394 KiB | 7 Q