3v4l.org

run code in 300+ PHP versions simultaneously
<?php $permitted = ['foo', 'bar', 'gah']; $config = ['foo', 'bar', 'extra']; foreach (array_intersect_key($permitted, $config) as $key) { echo $key }

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)
5.4.340.0040.03512.01
5.4.320.0060.03512.50
5.4.310.0070.04612.50
5.4.300.0090.03912.50
5.4.290.0090.04112.49
5.4.280.0040.03612.39
5.4.270.0090.04212.39
5.4.260.0040.04612.39
5.4.250.0030.04012.39
5.4.240.0040.03712.39
5.4.230.0030.03912.38
5.4.220.0070.03412.38
5.4.210.0020.03912.38
5.4.200.0020.04512.38
5.4.190.0070.05012.38
5.4.180.0050.04112.38
5.4.170.0030.03812.39
5.4.160.0050.03512.39
5.4.150.0050.03612.38
5.4.140.0060.03512.07
5.4.130.0040.03712.05
5.4.120.0080.03212.02
5.4.110.0070.03312.01
5.4.100.0090.03412.02
5.4.90.0030.03912.01
5.4.80.0040.04412.02
5.4.70.0090.03512.01
5.4.60.0050.03512.01
5.4.50.0050.03612.01
5.4.40.0080.03212.00
5.4.30.0040.03712.00
5.4.20.0040.03711.99
5.4.10.0080.03611.99
5.4.00.0080.03311.49
5.3.290.0050.04212.80
5.3.280.0040.03912.71
5.3.270.0050.04012.72
5.3.260.0050.03912.72
5.3.250.0040.03812.72
5.3.240.0070.03512.72
5.3.230.0090.03412.71
5.3.220.0050.03712.68
5.3.210.0110.03212.68
5.3.200.0070.03412.68
5.3.190.0090.03412.67
5.3.180.0080.03312.68
5.3.170.0050.03912.67
5.3.160.0040.03712.68
5.3.150.0070.03512.68
5.3.140.0060.03512.66
5.3.130.0040.04012.66
5.3.120.0100.03412.66
5.3.110.0050.03812.65
5.3.100.0040.03812.12
5.3.90.0060.03612.08
5.3.80.0070.03412.07
5.3.70.0070.03412.07
5.3.60.0040.03612.06
5.3.50.0070.03412.00
5.3.40.0060.03512.00
5.3.30.0070.03311.95
5.3.20.0050.03411.73
5.3.10.0070.03211.70
5.3.00.0070.03411.68
5.2.170.0070.0279.18
5.2.160.0040.0299.18
5.2.150.0020.0339.18
5.2.140.0030.0319.18
5.2.130.0060.0279.14
5.2.120.0040.0299.14
5.2.110.0060.0279.15
5.2.100.0040.0289.14
5.2.90.0050.0279.14
5.2.80.0030.0319.14
5.2.70.0020.0329.14
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0030.0309.03
5.2.30.0060.0289.01
5.2.20.0060.0279.00
5.2.10.0060.0268.92
5.2.00.0030.0308.78
5.1.60.0060.0228.07
5.1.50.0040.0258.07
5.1.40.0040.0258.05
5.1.30.0050.0258.40
5.1.20.0040.0268.42
5.1.10.0030.0268.14
5.1.00.0030.0268.14
5.0.50.0060.0186.62
5.0.40.0030.0196.47
5.0.30.0010.0326.29
5.0.20.0020.0196.27
5.0.10.0030.0196.23
5.0.00.0030.0306.23
4.4.90.0040.0144.78
4.4.80.0030.0144.76
4.4.70.0030.0144.75
4.4.60.0010.0174.75
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0010.0164.75
4.4.20.0040.0144.84
4.4.10.0020.0164.84
4.4.00.0020.0254.76
4.3.110.0060.0124.67
4.3.100.0020.0154.66
4.3.90.0000.0174.64
4.3.80.0000.0264.58
4.3.70.0020.0144.63
4.3.60.0010.0154.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0000.0173.28
4.3.20.0030.0143.26
4.3.10.0030.0143.22
4.3.00.0030.0207.43

preferences:
141.84 ms | 1394 KiB | 7 Q