3v4l.org

run code in 300+ PHP versions simultaneously
<?php $null = null; var_dump($null['foobar']); $zero = 0; var_dump($zero['foobar']); var_dump((0)['foobar']); var_dump((null)['foobar']); var_dump(()['foobar']); var_dump(0['foobar']); var_dump(null['foobar']);

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)
5.4.340.0630.00019.12
5.4.320.0080.03612.50
5.4.310.0070.03812.49
5.4.300.0070.03412.50
5.4.290.0060.04112.49
5.4.280.0060.03312.39
5.4.270.0090.03912.39
5.4.260.0080.03512.39
5.4.250.0050.03712.39
5.4.240.0060.03812.39
5.4.230.0070.04112.38
5.4.220.0030.03812.38
5.4.210.0060.03512.38
5.4.200.0070.03612.38
5.4.190.0030.03812.38
5.4.180.0060.03412.38
5.4.170.0100.03712.38
5.4.160.0050.03512.38
5.4.150.0070.04212.38
5.4.140.0070.03812.07
5.4.130.0090.04012.05
5.4.120.0060.03712.01
5.4.110.0060.03612.01
5.4.100.0090.03812.01
5.4.90.0090.03312.01
5.4.80.0060.03912.01
5.4.70.0080.04112.01
5.4.60.0060.03812.00
5.4.50.0060.03412.00
5.4.40.0110.03312.00
5.4.30.0060.03511.99
5.4.20.0040.03611.99
5.4.10.0020.05111.99
5.4.00.0020.03911.48
5.3.290.0040.04612.80
5.3.280.0040.04012.71
5.3.270.0040.03912.72
5.3.260.0090.04112.72
5.3.250.0080.03512.72
5.3.240.0050.03812.71
5.3.230.0090.03612.71
5.3.220.0080.03812.68
5.3.210.0090.03912.68
5.3.200.0050.03912.68
5.3.190.0070.03712.68
5.3.180.0060.03612.67
5.3.170.0090.03812.67
5.3.160.0070.03412.67
5.3.150.0060.03612.68
5.3.140.0100.03112.66
5.3.130.0040.04012.66
5.3.120.0030.04512.66
5.3.110.0110.03512.66
5.3.100.0060.03612.12
5.3.90.0100.04112.08
5.3.80.0060.03612.08
5.3.70.0050.03712.07
5.3.60.0070.03412.07
5.3.50.0050.03712.00
5.3.40.0050.03712.00
5.3.30.0070.03411.95
5.3.20.0040.03611.73
5.3.10.0030.03611.70
5.3.00.0050.03711.69
5.2.170.0030.0319.18
5.2.160.0060.0279.19
5.2.150.0060.0289.18
5.2.140.0050.0299.18
5.2.130.0060.0279.14
5.2.120.0070.0269.14
5.2.110.0030.0309.15
5.2.100.0050.0279.14
5.2.90.0030.0309.14
5.2.80.0030.0329.14
5.2.70.0030.0319.14
5.2.60.0030.0319.09
5.2.50.0030.0319.05
5.2.40.0060.0279.04
5.2.30.0050.0439.01
5.2.20.0050.0349.00
5.2.10.0080.0258.92
5.2.00.0050.0288.78
5.1.60.0080.0198.07
5.1.50.0040.0248.07
5.1.40.0040.0248.05
5.1.30.0030.0278.40
5.1.20.0020.0298.42
5.1.10.0050.0258.14
5.1.00.0060.0308.14
5.0.50.0020.0216.62
5.0.40.0030.0196.48
5.0.30.0050.0286.29
5.0.20.0030.0196.27
5.0.10.0040.0186.24
5.0.00.0040.0296.23
4.4.90.0030.0144.78
4.4.80.0050.0124.75
4.4.70.0030.0154.76
4.4.60.0050.0184.75
4.4.50.0020.0204.77
4.4.40.0010.0274.71
4.4.30.0040.0144.76
4.4.20.0030.0144.84
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0050.0134.67
4.3.100.0040.0144.66
4.3.90.0040.0144.63
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0060.0114.63
4.3.50.0020.0164.63
4.3.40.0050.0244.54
4.3.30.0030.0203.29
4.3.20.0000.0193.25
4.3.10.0040.0143.22
4.3.00.0030.01013.59

preferences:
138.12 ms | 1394 KiB | 7 Q