3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 6, 2]; array_unshift($array, array_pop($array)); print_r($array); $array = [1, 6, 2]; $tmp = array_splice($array, 2, 1) array_unshift($array, $tmp[0]); print_r($array);

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)
5.4.310.0040.04012.49
5.4.300.0070.03512.50
5.4.290.0080.03712.49
5.4.280.0080.03412.39
5.4.270.0070.03512.39
5.4.260.0050.04212.39
5.4.250.0060.03712.39
5.4.240.0040.03712.39
5.4.230.0040.05512.38
5.4.220.0050.04012.38
5.4.210.0070.04212.38
5.4.200.0100.05112.38
5.4.190.0080.03412.38
5.4.180.0070.03612.38
5.4.170.0040.03912.38
5.4.160.0100.03212.38
5.4.150.0070.03612.38
5.4.140.0090.03512.07
5.4.130.0060.04712.05
5.4.120.0080.04312.02
5.4.110.0050.03612.01
5.4.100.0080.03312.01
5.4.90.0050.03812.01
5.4.80.0050.04012.01
5.4.70.0040.03512.01
5.4.60.0060.03312.00
5.4.50.0120.02912.01
5.4.40.0050.03611.99
5.4.30.0060.03711.99
5.4.20.0070.03411.98
5.4.10.0050.03612.00
5.4.00.0080.03711.48
5.3.290.0050.04112.80
5.3.280.0050.04312.71
5.3.270.0040.04212.73
5.3.260.0100.03612.72
5.3.250.0050.03912.72
5.3.240.0070.03812.72
5.3.230.0080.03712.71
5.3.220.0050.04012.68
5.3.210.0050.04112.68
5.3.200.0050.03712.68
5.3.190.0060.03912.68
5.3.180.0020.04112.68
5.3.170.0050.03912.67
5.3.160.0060.03612.68
5.3.150.0100.03612.67
5.3.140.0060.03812.66
5.3.130.0060.03912.66
5.3.120.0060.05012.66
5.3.110.0090.04012.66
5.3.100.0050.03912.12
5.3.90.0100.03212.09
5.3.80.0050.03812.07
5.3.70.0080.03412.07
5.3.60.0030.03912.06
5.3.50.0080.03412.00
5.3.40.0040.03812.00
5.3.30.0020.03911.95
5.3.20.0070.03311.73
5.3.10.0070.03311.70
5.3.00.0040.03811.68
5.2.170.0050.0299.18
5.2.160.0120.0219.18
5.2.150.0040.0319.18
5.2.140.0050.0309.18
5.2.130.0020.0329.14
5.2.120.0080.0269.14
5.2.110.0030.0379.15
5.2.100.0050.0289.14
5.2.90.0050.0289.14
5.2.80.0080.0279.14
5.2.70.0060.0299.14
5.2.60.0070.0299.09
5.2.50.0070.0289.05
5.2.40.0040.0309.04
5.2.30.0080.0319.01
5.2.20.0040.0349.00
5.2.10.0050.0298.92
5.2.00.0030.0308.78
5.1.60.0040.0248.07
5.1.50.0040.0268.07
5.1.40.0020.0278.05
5.1.30.0040.0278.40
5.1.20.0070.0298.42
5.1.10.0060.0268.14
5.1.00.0050.0258.14
5.0.50.0040.0206.62
5.0.40.0070.0176.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0020.0216.24
5.0.00.0020.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0154.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0040.0144.84
4.4.00.0030.0314.75
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0050.0144.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0010.0264.54
4.3.30.0020.0163.29
4.3.20.0040.0243.26
4.3.10.0030.0153.22
4.3.00.0030.0207.18

preferences:
131.88 ms | 1394 KiB | 7 Q