3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = array(); variable_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)
5.4.320.0070.03512.46
5.4.310.0060.04212.46
5.4.300.0060.03712.47
5.4.290.0040.04612.46
5.4.280.0090.03312.36
5.4.270.0080.03612.36
5.4.260.0060.04312.36
5.4.250.0070.03712.36
5.4.240.0090.03712.36
5.4.230.0050.03912.35
5.4.220.0110.03212.35
5.4.210.0060.03612.35
5.4.200.0090.03912.35
5.4.190.0110.04812.35
5.4.180.0060.04912.35
5.4.170.0090.03312.36
5.4.160.0080.04212.35
5.4.150.0100.03512.35
5.4.140.0090.03612.03
5.4.130.0060.04312.02
5.4.120.0080.03411.98
5.4.110.0050.04111.98
5.4.100.0100.03411.97
5.4.90.0060.03611.98
5.4.80.0050.04011.97
5.4.70.0050.03911.97
5.4.60.0080.03511.97
5.4.50.0080.04411.97
5.4.40.0040.03711.96
5.4.30.0030.04411.96
5.4.20.0050.04011.96
5.4.10.0080.03611.96
5.4.00.0040.03711.45
5.3.290.0100.03812.80
5.3.280.0070.04012.71
5.3.270.0060.04012.73
5.3.260.0070.04812.72
5.3.250.0100.03712.72
5.3.240.0070.04212.72
5.3.230.0050.03912.71
5.3.220.0070.03612.68
5.3.210.0090.03712.68
5.3.200.0070.03712.68
5.3.190.0060.04612.68
5.3.180.0110.03912.67
5.3.170.0080.04012.67
5.3.160.0080.04712.67
5.3.150.0150.03912.68
5.3.140.0100.03512.66
5.3.130.0050.04512.66
5.3.120.0080.04612.66
5.3.110.0110.04012.66
5.3.100.0060.03612.12
5.3.90.0060.04312.08
5.3.80.0060.03712.07
5.3.70.0070.04112.07
5.3.60.0050.04312.06
5.3.50.0110.03712.00
5.3.40.0090.03612.00
5.3.30.0080.04011.94
5.3.20.0100.03711.72
5.3.10.0030.04111.70
5.3.00.0070.04511.68
5.2.170.0060.0359.18
5.2.160.0070.0339.18
5.2.150.0100.0359.18
5.2.140.0070.0319.18
5.2.130.0090.0329.14
5.2.120.0080.0339.14
5.2.110.0060.0309.14
5.2.100.0090.0319.14
5.2.90.0040.0319.14
5.2.80.0030.0349.13
5.2.70.0080.0319.14
5.2.60.0070.0359.09
5.2.50.0060.0389.06
5.2.40.0070.0299.04
5.2.30.0100.0339.01
5.2.20.0080.0429.00
5.2.10.0080.0288.92
5.2.00.0040.0408.78
5.1.60.0050.0278.07
5.1.50.0060.0328.07
5.1.40.0060.0248.04
5.1.30.0050.0288.39
5.1.20.0080.0248.41
5.1.10.0030.0358.15
5.1.00.0040.0258.14
5.0.50.0040.0206.62
5.0.40.0020.0236.48
5.0.30.0060.0356.29
5.0.20.0060.0186.26
5.0.10.0060.0236.24
5.0.00.0040.0326.23
4.4.90.0050.0164.77
4.4.80.0050.0184.76
4.4.70.0020.0244.75
4.4.60.0070.0164.75
4.4.50.0030.0154.77
4.4.40.0040.0304.70
4.4.30.0020.0164.76
4.4.20.0030.0174.84
4.4.10.0020.0164.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0020.0174.67
4.3.90.0000.0184.63
4.3.80.0020.0254.58
4.3.70.0050.0214.63
4.3.60.0010.0214.63
4.3.50.0010.0214.62
4.3.40.0050.0254.54
4.3.30.0020.0163.28
4.3.20.0020.0173.26
4.3.10.0020.0173.22
4.3.00.0070.01314.95

preferences:
144.91 ms | 1386 KiB | 7 Q