3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array['a' => 'b']; print_r($a);

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)
5.4.340.0080.03512.01
5.4.320.0030.04012.50
5.4.310.0050.04512.49
5.4.300.0100.03512.50
5.4.290.0050.04312.49
5.4.280.0040.03812.39
5.4.270.0090.03412.39
5.4.260.0040.04112.39
5.4.250.0050.03812.39
5.4.240.0060.03612.39
5.4.230.0060.03912.38
5.4.220.0040.03712.38
5.4.210.0050.03612.38
5.4.200.0070.03612.38
5.4.190.0050.03612.38
5.4.180.0060.03812.38
5.4.170.0070.03512.38
5.4.160.0050.03612.38
5.4.150.0070.03612.38
5.4.140.0070.03812.07
5.4.130.0050.04312.05
5.4.120.0090.04012.02
5.4.110.0090.04012.01
5.4.100.0090.03912.01
5.4.90.0070.04312.01
5.4.80.0040.04412.01
5.4.70.0070.03512.01
5.4.60.0060.03512.01
5.4.50.0060.03512.01
5.4.40.0070.03411.99
5.4.30.0040.03711.99
5.4.20.0050.04011.99
5.4.10.0050.03711.99
5.4.00.0070.03611.48
5.3.290.0050.04012.80
5.3.280.0090.03812.71
5.3.270.0040.04112.72
5.3.260.0050.04012.72
5.3.250.0040.03912.72
5.3.240.0110.03612.72
5.3.230.0050.03812.71
5.3.220.0030.03912.68
5.3.210.0070.03912.68
5.3.200.0070.03512.68
5.3.190.0060.03812.68
5.3.180.0080.03612.67
5.3.170.0070.03612.67
5.3.160.0080.03512.67
5.3.150.0050.03812.67
5.3.140.0090.03412.66
5.3.130.0070.03812.66
5.3.120.0050.04212.66
5.3.110.0090.03712.65
5.3.100.0070.03812.12
5.3.90.0040.03812.08
5.3.80.0070.03612.07
5.3.70.0050.03812.08
5.3.60.0060.03812.06
5.3.50.0080.03412.00
5.3.40.0050.03812.00
5.3.30.0080.03511.95
5.3.20.0070.03511.72
5.3.10.0070.03511.70
5.3.00.0070.03611.68
5.2.170.0050.0339.18
5.2.160.0050.0299.18
5.2.150.0060.0299.18
5.2.140.0050.0329.18
5.2.130.0060.0279.14
5.2.120.0050.0289.14
5.2.110.0050.0299.15
5.2.100.0040.0299.14
5.2.90.0050.0299.14
5.2.80.0080.0289.14
5.2.70.0040.0329.14
5.2.60.0080.0309.09
5.2.50.0060.0309.06
5.2.40.0070.0319.03
5.2.30.0020.0349.01
5.2.20.0040.0309.01
5.2.10.0050.0278.93
5.2.00.0080.0308.78
5.1.60.0050.0278.06
5.1.50.0070.0278.06
5.1.40.0050.0308.05
5.1.30.0070.0298.40
5.1.20.0070.0308.42
5.1.10.0040.0268.14
5.1.00.0050.0258.14
5.0.50.0050.0196.62
5.0.40.0040.0196.48
5.0.30.0040.0306.29
5.0.20.0020.0216.26
5.0.10.0050.0186.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0030.0164.76
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0040.0234.71
4.4.30.0020.0164.76
4.4.20.0040.0154.85
4.4.10.0030.0164.85
4.4.00.0020.0254.76
4.3.110.0020.0154.67
4.3.100.0040.0144.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0040.0154.63
4.3.40.0040.0234.54
4.3.30.0020.0173.29
4.3.20.0030.0163.27
4.3.10.0030.0203.22
4.3.00.0130.0206.84

preferences:
143.21 ms | 1394 KiB | 7 Q