3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x={$key1='bla',$key2='some';} var_dump($x);

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)
5.4.350.0060.03412.01
5.4.340.0040.03912.01
5.4.320.0040.03812.50
5.4.310.0080.04912.50
5.4.300.0040.03812.49
5.4.290.0070.03712.50
5.4.280.0060.03612.39
5.4.270.0050.03712.39
5.4.260.0050.03812.39
5.4.250.0070.03512.39
5.4.240.0070.03912.39
5.4.230.0060.03812.38
5.4.220.0060.03612.38
5.4.210.0080.03612.38
5.4.200.0040.04412.38
5.4.190.0070.03912.38
5.4.180.0040.03712.38
5.4.170.0040.03812.38
5.4.160.0090.03112.38
5.4.150.0060.03512.38
5.4.140.0040.04412.07
5.4.130.0080.03412.05
5.4.120.0070.03412.02
5.4.110.0070.03412.02
5.4.100.0080.03912.01
5.4.90.0120.03012.01
5.4.80.0040.03812.01
5.4.70.0030.03812.01
5.4.60.0070.03512.00
5.4.50.0060.03512.00
5.4.40.0030.03811.99
5.4.30.0060.04011.99
5.4.20.0030.03811.99
5.4.10.0070.03311.99
5.4.00.0080.03311.48
5.3.290.0050.04012.80
5.3.280.0070.04012.71
5.3.270.0060.04212.72
5.3.260.0080.03812.72
5.3.250.0100.03512.72
5.3.240.0110.03612.72
5.3.230.0080.03512.71
5.3.220.0070.03512.68
5.3.210.0020.04212.68
5.3.200.0070.04112.68
5.3.190.0090.03912.68
5.3.180.0060.03612.67
5.3.170.0030.03912.67
5.3.160.0050.03812.68
5.3.150.0040.03712.67
5.3.140.0060.03612.66
5.3.130.0060.03812.66
5.3.120.0040.04012.66
5.3.110.0070.03812.66
5.3.100.0050.03712.12
5.3.90.0070.03412.09
5.3.80.0060.03612.08
5.3.70.0060.03712.07
5.3.60.0030.03912.06
5.3.50.0040.03712.00
5.3.40.0090.03312.00
5.3.30.0050.03511.95
5.3.20.0050.03711.72
5.3.10.0060.03411.70
5.3.00.0070.03411.68
5.2.170.0080.0279.18
5.2.160.0030.0389.18
5.2.150.0040.0319.18
5.2.140.0040.0319.18
5.2.130.0040.0359.14
5.2.120.0060.0269.14
5.2.110.0050.0289.15
5.2.100.0060.0269.14
5.2.90.0090.0309.14
5.2.80.0050.0309.14
5.2.70.0040.0309.14
5.2.60.0070.0339.09
5.2.50.0070.0279.05
5.2.40.0020.0319.03
5.2.30.0050.0299.01
5.2.20.0090.0249.00
5.2.10.0050.0288.92
5.2.00.0070.0298.78
5.1.60.0040.0258.06
5.1.50.0020.0268.06
5.1.40.0030.0268.05
5.1.30.0040.0298.39
5.1.20.0040.0268.42
5.1.10.0050.0318.14
5.1.00.0030.0278.14
5.0.50.0050.0196.63
5.0.40.0040.0216.48
5.0.30.0060.0296.29
5.0.20.0050.0176.27
5.0.10.0020.0216.23
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0040.0144.76
4.4.70.0020.0164.75
4.4.60.0030.0154.76
4.4.50.0030.0204.77
4.4.40.0040.0254.71
4.4.30.0020.0164.76
4.4.20.0040.0214.84
4.4.10.0010.0244.85
4.4.00.0060.0324.76
4.3.110.0050.0154.67
4.3.100.0040.0154.67
4.3.90.0030.0164.63
4.3.80.0040.0244.59
4.3.70.0050.0134.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0173.28
4.3.20.0030.0153.26
4.3.10.0030.0153.22
4.3.00.0170.0136.49

preferences:
144.54 ms | 1394 KiB | 7 Q