重新组织php数组以擦除双重条目并合并其他条目

Question

I'm facing to a problem : I'm given a json entry which is organized like that :

Array
(
    [0] => stdClass Object
        (
            [libelle] => Emploi
            [sousLibelle] => Réhabilitation professionnelle
        )

    [1] => stdClass Object
        (
            [libelle] => Emploi
            [sousLibelle] => Formations et aides à l'emploi
        )

    [2] => stdClass Object
        (
            [libelle] => Emploi
            [sousLibelle] => Emploi
        )
}

What I need to do is that :

Array
(
    [0] => stdClass Object
        (
            [libelle] => Emploi
            [sousLibelle][0] => Réhabilitation professionnelle
            [sousLibelle][1] => Formations et aides à l'emploi
            [sousLibelle][2] => Emploi
        )
)

I'm a bit lost here, some help would be nice.

thank you

Answer 1

From what I gather, the following loop is what you wish to do.

It will create a new array with the 'libelle' value as the key, and then remove duplicates.

$new_arr = array();
foreach($array as $val) {
    $new_arr[$val['libelle']][] = $val['sousLibelle'];
}
$new_arr = array_unique($new_arr);

Edit: Just a side note, json_decode for converting the array to a PHP array from a JSON array, and json_encode if you're producing the results back in a JSON array.