3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reorderArray($array, $key) { $found = false; foreach($array as $k=>$v) { $found = $found || $k===$key; if(!$found) { unset($array[$k]); $array[$k] = $v; } } return $array; } $array=[1=>'foo', 4=>'bar', 9=>'baz', 12=>'baz]; var_dump(reorderArray($array, 9)); var_dump(reorderArray($array, 'test')); var_dump(reorderArray($array, 'no_such_key'));

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)
5.4.320.0070.04312.52
5.4.310.0100.03712.52
5.4.300.0030.03912.52
5.4.290.0040.04512.52
5.4.280.0070.03412.41
5.4.270.0040.03812.41
5.4.260.0060.03712.41
5.4.250.0060.03912.41
5.4.240.0040.03712.41
5.4.230.0050.03812.40
5.4.220.0080.04012.41
5.4.210.0050.04012.41
5.4.200.0110.03812.41
5.4.190.0080.03612.40
5.4.180.0050.05012.40
5.4.170.0080.03412.41
5.4.160.0080.03812.40
5.4.150.0110.03312.39
5.4.140.0050.04112.09
5.4.130.0070.03712.07
5.4.120.0070.03512.04
5.4.110.0090.03212.03
5.4.100.0060.03412.03
5.4.90.0060.03612.04
5.4.80.0050.04112.04
5.4.70.0050.03512.03
5.4.60.0080.03812.03
5.4.50.0060.03512.03
5.4.40.0070.05012.02
5.4.30.0060.03612.01
5.4.20.0060.03412.01
5.4.10.0060.03812.01
5.4.00.0040.03811.50
5.3.290.0100.03712.80
5.3.280.0090.04912.71
5.3.270.0060.03912.72
5.3.260.0070.05012.72
5.3.250.0090.04012.71
5.3.240.0100.03712.72
5.3.230.0060.03712.71
5.3.220.0050.04412.68
5.3.210.0070.04112.68
5.3.200.0090.03912.68
5.3.190.0080.03912.68
5.3.180.0060.03812.67
5.3.170.0050.03812.67
5.3.160.0060.03612.67
5.3.150.0060.04512.67
5.3.140.0060.03612.66
5.3.130.0040.04212.66
5.3.120.0070.04112.66
5.3.110.0050.04012.66
5.3.100.0050.03912.12
5.3.90.0040.03812.11
5.3.80.0060.03612.09
5.3.70.0050.03712.09
5.3.60.0090.03312.08
5.3.50.0040.03912.02
5.3.40.0050.04012.02
5.3.30.0100.03611.98
5.3.20.0050.03711.76
5.3.10.0020.03811.73
5.3.00.0090.03511.72
5.2.170.0070.0289.22
5.2.160.0040.0299.21
5.2.150.0050.0339.22
5.2.140.0050.0339.21
5.2.130.0070.0299.18
5.2.120.0030.0379.17
5.2.110.0040.0299.18
5.2.100.0020.0319.18
5.2.90.0050.0309.18
5.2.80.0040.0359.17
5.2.70.0030.0319.17
5.2.60.0050.0329.13
5.2.50.0030.0339.10
5.2.40.0040.0299.07
5.2.30.0080.0269.05
5.2.20.0090.0319.04
5.2.10.0040.0288.95
5.2.00.0060.0318.81
5.1.60.0070.0218.09
5.1.50.0050.0278.09
5.1.40.0040.0288.07
5.1.30.0050.0268.42
5.1.20.0030.0308.43
5.1.10.0020.0288.17
5.1.00.0060.0278.16
5.0.50.0030.0246.64
5.0.40.0020.0226.50
5.0.30.0030.0326.31
5.0.20.0030.0206.28
5.0.10.0070.0186.26
5.0.00.0050.0296.25
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0000.0194.76
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0040.0194.76
4.4.20.0040.0164.84
4.4.10.0030.0154.85
4.4.00.0040.0244.76
4.3.110.0040.0154.67
4.3.100.0040.0184.66
4.3.90.0050.0184.64
4.3.80.0050.0294.58
4.3.70.0010.0224.63
4.3.60.0000.0234.63
4.3.50.0050.0204.63
4.3.40.0020.0274.53
4.3.30.0040.0143.30
4.3.20.0020.0163.28
4.3.10.0020.0163.24
4.3.00.0230.01316.39

preferences:
143.69 ms | 1394 KiB | 7 Q