/**
* Search for a key-name from array or multi-dimensional array.
* The first result found will be returned
*
* @param string $needle
* @param array $haystack
* @param boolean $strict [description]
*
* @return boolean
*/
function array_key_in($needle, array $haystack, $strict = false)
{
// if ( ! is_array($needle)) {
// $needle = [$needle];
// }
foreach ($haystack as $key => $value) {
if (is_string($key) && $key == $needle) {
return $value;
} else {
if (is_array($value)) {
$result = array_key_in($needle, $value);
if ($result) {
return $result;
}
}
}
}
return false;
}
function run($title, $search_for, $haystack)
{
echo "<div class='row'>";
echo "<div class='col-md-12'>";
echo "<h2>{$title}</h2>";
$json_str = json_encode($haystack);
// Visual Output
echo '<code>';
echo "<b>Searching: \"{$search_for}\" in..</b>\n";
var_dump($json_str);
$result = (bool) strstr($json_str, $search_for) ? 'True' : 'False';
echo "<strong>Result: {$result}</strong>";
// Process
$result = array_key_in($search_for, $haystack);
echo "<h2>Result</h2>";
var_dump($result);
echo '</code>';
echo '</div>';
echo '</div>';
}