3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { const TYPE = 'x'; } class Y { const TYPE = 'y'; } $y = new Y(); $x = new X(); $time = microtime(true); echo $y::TYPE === 'y'; echo $y::TYPE === 'x'; $time = microtime(true) - $time; echo '1 took' . number_format($time, 3); $time = microtime(true); echo $y instanceof 'Y'; echo $y instanceof 'X'; $time = microtime(true) - $time; echo '2 took' . number_format($time, 3);

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)
5.4.340.0040.03612.02
5.4.320.0090.04612.51
5.4.310.0100.04412.51
5.4.300.0090.04112.51
5.4.290.0060.03812.51
5.4.280.0040.03712.40
5.4.270.0040.04212.41
5.4.260.0070.03612.41
5.4.250.0050.03812.40
5.4.240.0080.03412.40
5.4.230.0050.03712.39
5.4.220.0060.03512.40
5.4.210.0100.03512.40
5.4.200.0040.03912.40
5.4.190.0080.03412.39
5.4.180.0060.03512.39
5.4.170.0080.03412.40
5.4.160.0080.03312.40
5.4.150.0050.03612.39
5.4.140.0040.03712.09
5.4.130.0060.03412.07
5.4.120.0050.03512.04
5.4.110.0070.03312.03
5.4.100.0040.03712.02
5.4.90.0050.03712.03
5.4.80.0030.04012.02
5.4.70.0080.03312.02
5.4.60.0040.03712.02
5.4.50.0060.03512.02
5.4.40.0060.03412.01
5.4.30.0040.03612.00
5.4.20.0030.03712.00
5.4.10.0050.03512.01
5.4.00.0080.03411.50
5.3.290.0070.03812.80
5.3.280.0050.03712.71
5.3.270.0090.03612.73
5.3.260.0090.04512.71
5.3.250.0050.04512.71
5.3.240.0040.04012.72
5.3.230.0070.03712.71
5.3.220.0070.03712.68
5.3.210.0070.03912.68
5.3.200.0080.03412.68
5.3.190.0070.03612.67
5.3.180.0080.03612.67
5.3.170.0070.03612.67
5.3.160.0030.03912.67
5.3.150.0070.03612.67
5.3.140.0080.05112.66
5.3.130.0090.03712.65
5.3.120.0100.03412.66
5.3.110.0070.04212.66
5.3.100.0050.03912.13
5.3.90.0040.03912.10
5.3.80.0070.03512.09
5.3.70.0080.03412.09
5.3.60.0060.03812.08
5.3.50.0050.03612.03
5.3.40.0030.03912.02
5.3.30.0050.04011.98
5.3.20.0060.03711.77
5.3.10.0080.03511.73
5.3.00.0090.03711.71
5.2.170.0090.0299.22
5.2.160.0070.0299.22
5.2.150.0040.0339.22
5.2.140.0100.0279.21
5.2.130.0020.0329.18
5.2.120.0050.0289.18
5.2.110.0050.0409.18
5.2.100.0070.0409.18
5.2.90.0090.0389.18
5.2.80.0070.0429.17
5.2.70.0060.0429.18
5.2.60.0080.0409.13
5.2.50.0040.0329.09
5.2.40.0040.0299.07
5.2.30.0030.0319.05
5.2.20.0070.0299.03
5.2.10.0060.0268.94
5.2.00.0050.0308.80
5.1.60.0020.0258.09
5.1.50.0040.0248.09
5.1.40.0020.0268.07
5.1.30.0030.0278.42
5.1.20.0050.0268.44
5.1.10.0040.0268.16
5.1.00.0030.0298.16
5.0.50.0080.0166.64
5.0.40.0040.0196.50
5.0.30.0030.0326.32
5.0.20.0040.0186.28
5.0.10.0050.0186.26
5.0.00.0020.0326.25
4.4.90.0020.0164.78
4.4.80.0050.0134.75
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0060.0124.76
4.4.20.0040.0154.85
4.4.10.0010.0174.85
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0050.0124.64
4.3.80.0010.0254.59
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0173.30
4.3.20.0030.0153.28
4.3.10.0020.0163.24
4.3.00.0130.0236.97

preferences:
148.61 ms | 1394 KiB | 7 Q