3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { public $test = array( 1 => 'test' ); public $arr = array( 1 => $this->test[1] ); } $class = new test(); var_dump($class->arr[1]);

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)
5.4.320.0080.03612.51
5.4.310.0050.04512.50
5.4.300.0040.03712.51
5.4.290.0100.03812.50
5.4.280.0040.03812.40
5.4.270.0060.03812.40
5.4.260.0070.04112.40
5.4.250.0040.04312.40
5.4.240.0070.04212.40
5.4.230.0080.03812.39
5.4.220.0080.03612.39
5.4.210.0070.03512.39
5.4.200.0080.03712.39
5.4.190.0050.03712.39
5.4.180.0070.03812.39
5.4.170.0060.03812.40
5.4.160.0040.04012.39
5.4.150.0090.03812.39
5.4.140.0070.03512.08
5.4.130.0040.04212.06
5.4.120.0080.03812.03
5.4.110.0070.03412.02
5.4.100.0050.04112.02
5.4.90.0090.03912.03
5.4.80.0050.04412.02
5.4.70.0080.03912.02
5.4.60.0120.04212.02
5.4.50.0090.04512.02
5.4.40.0090.03812.01
5.4.30.0080.03912.00
5.4.20.0090.04512.00
5.4.10.0080.05412.01
5.4.00.0050.04911.50
5.3.290.0110.05212.80
5.3.280.0100.04112.71
5.3.270.0080.04612.73
5.3.260.0080.05012.72
5.3.250.0070.04312.72
5.3.240.0100.04912.72
5.3.230.0140.05612.71
5.3.220.0060.04412.68
5.3.210.0080.04312.68
5.3.200.0120.04912.68
5.3.190.0120.04212.68
5.3.180.0120.05612.67
5.3.170.0050.04512.67
5.3.160.0120.04112.67
5.3.150.0070.04312.67
5.3.140.0090.04412.66
5.3.130.0090.04912.66
5.3.120.0070.04412.66
5.3.110.0060.05512.66
5.3.100.0080.04312.12
5.3.90.0040.04212.10
5.3.80.0090.03912.09
5.3.70.0070.04312.09
5.3.60.0070.04212.08
5.3.50.0090.04312.02
5.3.40.0100.04312.02
5.3.30.0080.03911.98
5.3.20.0090.03811.76
5.3.10.0070.04511.73
5.3.00.0070.03511.71
5.2.170.0080.0329.21
5.2.160.0050.0329.21
5.2.150.0050.0359.22
5.2.140.0100.0379.21
5.2.130.0070.0339.17
5.2.120.0050.0349.17
5.2.110.0080.0329.17
5.2.100.0070.0339.17
5.2.90.0070.0319.18
5.2.80.0060.0309.17
5.2.70.0060.0339.17
5.2.60.0060.0319.13
5.2.50.0070.0329.10
5.2.40.0070.0369.07
5.2.30.0090.0359.04
5.2.20.0070.0329.03
5.2.10.0040.0328.94
5.2.00.0070.0318.80
5.1.60.0070.0238.08
5.1.50.0040.0298.08
5.1.40.0050.0278.06
5.1.30.0050.0298.41
5.1.20.0040.0308.44
5.1.10.0070.0338.16
5.1.00.0070.0298.16
5.0.50.0040.0216.64
5.0.40.0040.0216.50
5.0.30.0040.0326.31
5.0.20.0020.0226.28
5.0.10.0030.0236.26
5.0.00.0040.0336.25
4.4.90.0030.0164.78
4.4.80.0020.0164.75
4.4.70.0020.0204.75
4.4.60.0020.0194.76
4.4.50.0030.0154.77
4.4.40.0020.0274.71
4.4.30.0030.0204.76
4.4.20.0040.0204.85
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0164.67
4.3.90.0040.0144.63
4.3.80.0020.0274.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0040.0154.63
4.3.40.0040.0244.54
4.3.30.0020.0193.30
4.3.20.0020.0163.28
4.3.10.0020.0183.24
4.3.00.0000.01318.41

preferences:
143.45 ms | 1394 KiB | 7 Q