- var_dump: documentation ( source)
- array_unique: documentation ( source)
<?php
$input = ["a", "b"];
function search($input)
{
$result = $input;
foreach($input as $a)
{
foreach($input as $b)
{
$result []= $a . $b;
}
}
return array_unique($result);
}
var_dump(search($input));