//array_search
$result = array_search("apple", $fruit_array); // return index or false
//in_array
$result = in_array("apple", $fruit_array); // return true or false
<?php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');
$key = array_search('green', $array); // $key = 2;
$key = array_search('red', $array); // $key = 1;
?>
$key = array_search(3, array_column($users, 'user_id'));
$userName = $users[$key]['first_name'];<?php
$a = [
'Canceled' => 1,
'Traded / Filled'=> 2,
'(Not used currently)'=> 3,
'Transit'=> 4,
'Rejected'=> 5,
'Pending'=> 6,
];
echo array_search("5",$a);
?>
function searchForId($id, $array) {
foreach ($array as $key => $val) {
if ($val['uid'] === $id) {
return $key;
}
}
return null;
}$key = array_search('3',$users);