<?php
$array1 = array(1, 2, 3, 4);
$array2 = array(1, 2, 5, 6);
$array3 = array(1, 2, 6);
// The result should contain ONLY: 1 and 2. 6 is not in all 3 results
$result = array();
for ($i = 1; $i <= 3; $i++)
{
$array = 'array' . $i;
if (empty($result))
{
$result = ${$array};
}
else
{
$inBoth = array_intersect($result, ${$array});
//$notInBoth = array_diff($result, ${$array});
$result = array_diff($result, array_unique(array_merge($result, $inBoth)));
}
}
var_dump($result);
- 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(6)
}
preferences:
152.63 ms | 406 KiB | 331 Q