CODE EXAMPLE FOR PHP

PHP multidimensional array search by value

<?php
// PHP program to carry out multidimensional array search
  
  
// Function to recursively search for a given value
function array_search_id($search_value, $array, $id_path) {
      
    if(is_array($array) && count($array) > 0) {
          
        foreach($array as $key => $value) {
  
            $temp_path = $id_path;
              
            // Adding current key to search path
            array_push($temp_path, $key);
  
            // Check if this value is an array
            // with atleast one element
            if(is_array($value) && count($value) > 0) {
                $res_path = array_search_id(
                        $search_value, $value, $temp_path);
  
                if ($res_path != null) {
                    return $res_path;
                }
            }
            else if($value == $search_value) {
                return join(" --> ", $temp_path);
            }
        }
    }
      
    return null;
}
  
// Multidimensional (Three dimensional) array
$gfg_array = array(
    "school1" => array(
        "year" => "2017",
        "data" => array(
            'score' => '100',
            'name' => 'Sam',
            'subject' => 'Data Structures'
        )
    ),
      
    "school2" => array(
        "year" => "2018",
        "data" => array(
            'score' => '50',
            'name' => 'Tanya',
            'subject' => 'Advanced Algorithms'
        )
    ),
      
    "school3" => array(
        "year" => "2018",
        "data" => array(
            'score' => '75',
            'name' => 'Jack',
            'subject' => 'Distributed Computing'
        )
    )
);
  
$search_path = array_search_id('Jack', $gfg_array, array('$'));
print($search_path);
  
?>