Check if a specific value exists at a specific key in any subarray of a multidimensional array

The simplest way is this:

$my_array = array(    
    0 =>  array(  
        "name"   => "john",  
        "id"    =>  4  
    ),  
    1   =>  array(  
        "name" =>  "mark",  
        "id" => 152  
    ), 
    2   =>  array(  
        "name" =>  "Eduard",  
        "id" => 152  
    )
);

if (array_search(152, array_column($my_array, 'id')) !== FALSE) {
  echo 'FOUND!';
} else {
  echo 'NOT FOUND!';
}

I came upon this post looking to do the same and came up with my own solution I wanted to offer for future visitors of this page (and to see if doing this way presents any problems I had not forseen).

If you want to get a simple true or false output and want to do this with one line of code without a function or a loop you could serialize the array and then use stripos to search for the value:

stripos(serialize($my_array),$needle)

It seems to work for me.

You can use this with only two parameter

function whatever($array, $val) {
    foreach ($array as $item)
        if (isset($item) && in_array($val,$item))
            return 1;
    return 0;
}

I don't know if this is better or worse for performance, but here is an alternative:

$keys = array_map(function($element){return $element['id'];}, $my_array);
$flipped_keys = array_flip($keys);
if(isset($flipped_keys[40489]))
{
    // true
}

different between isset vs array_key_exits What's the difference between isset() and array_key_exists()?

different between == vs === How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?

function specificValue(array $array,$key,$val) {
    foreach ($array as $item)
        if (array_key_exits($item[$key]) && $item[$key] === $val)
            return true;
    return false;
}

function checkMultiArrayValue($array) {
        global $test;
        foreach ($array as $key => $item) {

            if(!empty($item) && is_array($item)) {
                checkMultiArrayValue($item);
            }else {
                if($item)
                 $test[$key] = $item;

            }
        }
        return $test;   
    }

 $multiArray = array(    
                0 =>  array(  
                      "country"   => "",  
                      "price"    => 4,  
                      "discount-price" => 0,  
               ),);

$test = checkMultiArrayValue($multiArray);
echo "<pre>"
print_r($test);

Will return array who have index and value