3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = array(); var_extract(is_array(& $something['non-existent']));

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)
5.4.320.0060.04712.46
5.4.310.0080.03912.46
5.4.300.0090.03812.46
5.4.290.0080.04112.46
5.4.280.0060.03612.36
5.4.270.0070.03612.36
5.4.260.0080.03512.36
5.4.250.0070.03812.36
5.4.240.0080.04112.36
5.4.230.0100.03912.35
5.4.220.0070.03812.35
5.4.210.0080.04012.35
5.4.200.0070.03612.35
5.4.190.0050.03712.34
5.4.180.0080.03412.35
5.4.170.0040.04012.36
5.4.160.0020.03912.36
5.4.150.0050.04012.35
5.4.140.0050.04412.03
5.4.130.0070.04212.02
5.4.120.0020.04111.98
5.4.110.0050.03711.97
5.4.100.0070.03711.98
5.4.90.0090.03811.98
5.4.80.0090.04211.98
5.4.70.0070.03811.97
5.4.60.0100.04311.97
5.4.50.0100.03611.97
5.4.40.0070.03511.96
5.4.30.0070.04011.96
5.4.20.0070.03911.96
5.4.10.0070.03411.96
5.4.00.0040.04111.45
5.3.290.0110.04012.80
5.3.280.0070.04012.71
5.3.270.0070.03712.73
5.3.260.0070.03812.72
5.3.250.0110.03212.72
5.3.240.0090.03512.71
5.3.230.0070.03712.71
5.3.220.0110.04612.68
5.3.210.0050.05112.68
5.3.200.0070.03512.68
5.3.190.0060.03712.68
5.3.180.0060.03712.68
5.3.170.0060.04512.67
5.3.160.0100.03912.67
5.3.150.0060.03712.68
5.3.140.0080.03512.66
5.3.130.0070.03712.66
5.3.120.0050.04012.66
5.3.110.0090.03712.65
5.3.100.0060.04012.12
5.3.90.0070.03412.09
5.3.80.0050.03712.07
5.3.70.0040.03912.07
5.3.60.0060.03712.06
5.3.50.0060.03612.00
5.3.40.0080.03512.00
5.3.30.0030.03811.94
5.3.20.0100.03211.72
5.3.10.0080.03311.69
5.3.00.0090.03511.68
5.2.170.0050.0309.18
5.2.160.0050.0359.18
5.2.150.0080.0289.18
5.2.140.0050.0309.18
5.2.130.0050.0299.14
5.2.120.0050.0319.14
5.2.110.0060.0299.15
5.2.100.0070.0269.14
5.2.90.0050.0309.14
5.2.80.0060.0309.13
5.2.70.0040.0309.13
5.2.60.0080.0279.09
5.2.50.0070.0329.06
5.2.40.0030.0319.04
5.2.30.0030.0339.01
5.2.20.0030.0309.00
5.2.10.0050.0288.92
5.2.00.0050.0288.78
5.1.60.0040.0268.07
5.1.50.0060.0248.06
5.1.40.0050.0248.04
5.1.30.0050.0278.39
5.1.20.0070.0248.42
5.1.10.0040.0278.15
5.1.00.0020.0288.14
5.0.50.0030.0226.61
5.0.40.0050.0186.48
5.0.30.0020.0336.29
5.0.20.0040.0216.26
5.0.10.0070.0176.24
5.0.00.0040.0326.23
4.4.90.0040.0154.77
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0040.0144.75
4.4.50.0040.0154.77
4.4.40.0030.0274.71
4.4.30.0050.0134.76
4.4.20.0020.0164.85
4.4.10.0060.0134.85
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0040.0144.66
4.3.90.0040.0144.64
4.3.80.0010.0264.59
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0040.0144.63
4.3.40.0020.0244.54
4.3.30.0010.0183.28
4.3.20.0030.0153.26
4.3.10.0030.0143.22
4.3.00.0070.01714.95

preferences:
138.46 ms | 1394 KiB | 7 Q