php check if associative array

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Ilaria
05 Jul 2019
1count(array_filter(array_keys($array), 'is_string')) === 0
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Mika
30 Jun 2020
1// return true if array is associative
2function checkAssoc($array) {
3    $nonAssociative = count(array_filter(array_keys($array), 'is_string')) === 0;
4    if ($nonAssociative) {
5        return false;
6    } else {
7        return true;
8    }
9}
10// Example
11$array = ["el1" => 1, "el2" => 2, "el3" => 3];
12checkAssoc($array);
13// bool(true)
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