javscript get key from php array code example
Example 1: get key of array element php
$people = array(
2 => array(
'name' => 'John',
'fav_color' => 'green'
),
5=> array(
'name' => 'Samuel',
'fav_color' => 'blue'
));
$found_key = array_search('blue', array_column($people, 'fav_color'));
Example 2: get array key php
array_keys ($array);
// It returns an array
// more informations at https://www.php.net/manual/fr/function.array-keys.php (fr)