Counting values in array returning empty

Question

I have an array that when printed using print_r($user_ids); outputs as:

Array ( [0] => stdClass Object ( [user_id] => 2 ) )

I have tried writing the following where I am trying to count how many user_ids there are, so this should print 1 but it is printing as if the array is emptry

print_r(array_count_values($user_ids));

if you don't want the unique count you just can do count($array) — DarkBee
– DarkBee, Commented Sep 27, 2017 at 14:05

Rarst · Accepted Answer · 2019-02-24 09:38:46Z

1

If you need just a total count of objects, then count() does that, as pointed out by comment.

If you specifically need to count or otherwise access user_id properties specifically (for example not object have ID) it's convenient to do that with array_column():

$user_ids = [
    (object) [ 'user_id' => 1 ],
    (object) [ 'user_id' => 2 ],
    (object) [],
];

var_dump( count( $user_ids ) ); // 3
var_dump( count( array_column( $user_ids, 'user_id' ) ) ); // 2

answered Feb 24, 2019 at 9:38

Rarst

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