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)
5.4.340.0070.03312.03
5.4.320.0040.03712.51
5.4.310.0050.03812.51
5.4.300.0040.03712.51
5.4.290.0040.04112.51
5.4.280.0060.03512.40
5.4.270.0120.02912.41
5.4.260.0040.03912.40
5.4.250.0050.03612.40
5.4.240.0020.04012.41
5.4.230.0040.04512.39
5.4.220.0040.03812.39
5.4.210.0110.03112.40
5.4.200.0100.04112.40
5.4.190.0060.03812.39
5.4.180.0070.03512.39
5.4.170.0100.03212.40
5.4.160.0090.03312.40
5.4.150.0090.03512.39
5.4.140.0040.04412.08
5.4.130.0070.03412.06
5.4.120.0050.04012.03
5.4.110.0040.04112.03
5.4.100.0060.03612.03
5.4.90.0050.03812.02
5.4.80.0080.03612.03
5.4.70.0060.03412.02
5.4.60.0060.03412.02
5.4.50.0050.03712.02
5.4.40.0110.03012.01
5.4.30.0050.03712.01
5.4.20.0070.03412.00
5.4.10.0040.03612.00
5.4.00.0060.03611.50
5.3.290.0050.04012.80
5.3.280.0060.03712.71
5.3.270.0060.03812.73
5.3.260.0070.03812.72
5.3.250.0070.03712.72
5.3.240.0060.03712.72
5.3.230.0040.03812.71
5.3.220.0060.03812.68
5.3.210.0080.03812.68
5.3.200.0070.03412.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0070.03512.67
5.3.160.0080.03412.67
5.3.150.0060.03712.67
5.3.140.0050.03812.66
5.3.130.0090.04312.66
5.3.120.0060.03912.66
5.3.110.0050.03912.66
5.3.100.0030.03912.12
5.3.90.0070.03512.10
5.3.80.0050.03712.09
5.3.70.0060.03512.09
5.3.60.0080.03912.08
5.3.50.0100.03212.02
5.3.40.0060.03812.02
5.3.30.0050.03711.98
5.3.20.0090.03311.78
5.3.10.0060.03411.73
5.3.00.0060.03511.72
5.2.170.0030.0319.22
5.2.160.0050.0289.22
5.2.150.0040.0309.22
5.2.140.0030.0319.22
5.2.130.0050.0289.18
5.2.120.0040.0299.18
5.2.110.0030.0319.18
5.2.100.0040.0299.18
5.2.90.0020.0319.18
5.2.80.0070.0289.17
5.2.70.0030.0319.18
5.2.60.0030.0329.13
5.2.50.0050.0309.10
5.2.40.0050.0289.07
5.2.30.0060.0319.05
5.2.20.0060.0389.04
5.2.10.0050.0318.94
5.2.00.0060.0438.81
5.1.60.0050.0248.09
5.1.50.0020.0268.09
5.1.40.0090.0208.07
5.1.30.0050.0258.42
5.1.20.0040.0278.44
5.1.10.0060.0248.16
5.1.00.0070.0238.16
5.0.50.0060.0196.64
5.0.40.0020.0216.50
5.0.30.0020.0326.32
5.0.20.0040.0196.27
5.0.10.0030.0206.25
5.0.00.0050.0296.25
4.4.90.0040.0144.78
4.4.80.0040.0164.76
4.4.70.0030.0154.75
4.4.60.0030.0174.75
4.4.50.0010.0174.77
4.4.40.0030.0254.70
4.4.30.0020.0164.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0050.0244.76
4.3.110.0050.0174.67
4.3.100.0030.0174.66
4.3.90.0020.0164.63
4.3.80.0030.0244.58
4.3.70.0040.0184.63
4.3.60.0050.0124.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0030.0153.30
4.3.20.0020.0193.28
4.3.10.0040.0173.23
4.3.00.0100.0206.97

preferences:
142.42 ms | 1398 KiB | 7 Q