<?php
function my_array_diff($a, $b) {
$map = $out = array();
foreach($a as $val) $map[$val] = 1;
foreach($b as $val) if(isset($map[$val])) $map[$val] = 0;
foreach($map as $val => $ok) if($ok) $out[] = $val;
return $out;
}
$a=array('a','A','b');
$b=array('A','c','b');
$t1=time();
print_r(my_array_diff($a,$b));
$t2=time()-$t1;
echo $t2;
$t1=time();
print_r(array_diff($a,$b));
$t2=time()-$t1;
echo $t2;
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
- Array
(
[0] => a
)
0Array
(
[0] => a
)
0
preferences:
196.6 ms | 404 KiB | 317 Q