Finding the minimum value's key in an associative array

Today we will share with you one simple but very helpful tutorials of PHP. how to find the minimum values' key in an associative array in PHP.

for example, you have the following array and you want to find the minimum value's key from the array.

$pets = array(
    "cats" => 1,
    "dogs" => 2,
    "fish" => 3
);

you can get the minimum value's key from this array some following ways.

Example : 1

$pets = array(
    "cats" => 1,
    "dogs" => 2,
    "fish" => 3
);
array_keys($pets, min($pets));  # array('cats')

Example : 2

$pets = array(
    "cats" => 1,
    "dogs" => 2,
    "fish" => 3
);
array_search(min($pets), $pets); 

We hope it can be helped a lot.