3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new DateTime(); $bar = new DateTime('2014-09-21 00:00:00'); $baz = $bar ~ $foo; var_dump($baz->format('Y'));

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)
5.4.320.0090.04112.50
5.4.310.0070.04012.49
5.4.300.0030.03812.50
5.4.290.0050.03712.49
5.4.280.0070.03312.39
5.4.270.0040.03612.39
5.4.260.0050.04512.39
5.4.250.0050.03612.39
5.4.240.0100.03812.39
5.4.230.0050.04312.38
5.4.220.0040.03612.38
5.4.210.0040.04312.38
5.4.200.0080.04612.38
5.4.190.0050.03612.38
5.4.180.0070.03612.38
5.4.170.0060.03812.39
5.4.160.0070.03912.38
5.4.150.0070.03712.38
5.4.140.0120.03612.07
5.4.130.0080.03512.05
5.4.120.0040.04312.01
5.4.110.0110.03212.01
5.4.100.0070.03512.01
5.4.90.0040.03812.01
5.4.80.0080.03412.01
5.4.70.0060.03412.00
5.4.60.0070.03212.01
5.4.50.0040.03712.00
5.4.40.0030.03712.00
5.4.30.0100.03811.99
5.4.20.0060.04211.98
5.4.10.0050.03911.99
5.4.00.0030.03811.48
5.3.290.0100.03512.80
5.3.280.0080.03612.71
5.3.270.0050.03812.73
5.3.260.0080.05912.72
5.3.250.0050.03712.72
5.3.240.0060.04212.72
5.3.230.0040.04012.71
5.3.220.0060.04312.68
5.3.210.0100.04112.68
5.3.200.0060.03712.68
5.3.190.0070.04112.68
5.3.180.0110.04112.68
5.3.170.0080.04712.67
5.3.160.0080.03612.67
5.3.150.0060.03712.68
5.3.140.0060.03612.66
5.3.130.0090.03512.66
5.3.120.0070.03712.66
5.3.110.0030.04112.66
5.3.100.0040.03812.12
5.3.90.0080.03412.08
5.3.80.0070.03512.07
5.3.70.0040.03812.08
5.3.60.0080.03912.07
5.3.50.0070.04112.00
5.3.40.0010.04212.00
5.3.30.0030.03711.95
5.3.20.0080.03211.72
5.3.10.0060.03411.70
5.3.00.0050.03611.68
5.2.170.0040.0309.19
5.2.160.0030.0309.19
5.2.150.0020.0329.19
5.2.140.0040.0309.18
5.2.130.0060.0279.14
5.2.120.0110.0219.14
5.2.110.0040.0329.15
5.2.100.0050.0329.14
5.2.90.0090.0269.15
5.2.80.0020.0339.14
5.2.70.0060.0309.14
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0050.0289.04
5.2.30.0050.0309.02
5.2.20.0050.0299.01
5.2.10.0050.0278.92
5.2.00.0060.0278.78
5.1.60.0050.0248.07
5.1.50.0040.0258.07
5.1.40.0050.0228.05
5.1.30.0030.0298.40
5.1.20.0050.0258.42
5.1.10.0070.0228.14
5.1.00.0070.0238.15
5.0.50.0040.0196.63
5.0.40.0060.0166.48
5.0.30.0010.0336.29
5.0.20.0050.0186.27
5.0.10.0020.0216.24
5.0.00.0040.0296.23
4.4.90.0020.0164.78
4.4.80.0020.0154.75
4.4.70.0010.0174.76
4.4.60.0010.0194.76
4.4.50.0000.0194.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0020.0154.84
4.4.10.0010.0164.85
4.4.00.0010.0264.75
4.3.110.0030.0194.67
4.3.100.0030.0154.67
4.3.90.0010.0164.63
4.3.80.0040.0234.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0010.0254.54
4.3.30.0030.0143.28
4.3.20.0040.0143.26
4.3.10.0000.0173.22
4.3.00.0070.01714.92

preferences:
140.86 ms | 1394 KiB | 7 Q