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@ 2015-06-12T11:29:42Z

<?php

function searchFromArray($array, $keyword) {
    echo "\n".$keyword."\n";
    $result = array();
    if (count($keyword) == 2)
    {
        $result[] = $array[$keyword[0]];
    }
    else
    {
        foreach ($keyword as $kw => $vw)
        {
            if (isset($array[$vw]))
            {
                if (is_array($array[$vw]))
                {
                    unset($keyword[0]);
                    searchFromArray($array[$vw], $keyword);
                }
                else
                {
                    $result[] = $array[$vw];
                }
            }
        }
    }
    return $result;
}

$array_search = array(
	'offset' => '',
	'count' => '',
	'max_count' => '',
	'content_list' => array(array(
			'content' => array(
					'id'=>'1',
					'type'=>'',
					'name_title'=>'',
					'parent_id'=>'',
					'rating_type'=>'',
					'link_url'=>'',
					'tag' => array(
					    'id' => 'tag_id_1',
					    'name' => 'tag_name_1'
					),
					'image_dir'=>'',
					'image_url'=>'',
					'image_dir_thumb'=>'x',
					'image_url_thumb'=>''
			),
			'content' => array(
					'id'=>'2',
					'type'=>'',
					'name_title'=>'',
					'parent_id'=>'',
					'rating_type'=>'',
					'link_url'=>'',
					'tag' => array(
					    'id' => 'tag_id_2',
					    'name' => 'tag_name_2'
					),
					'image_dir'=>'',
					'image_url'=>'',
					'image_dir_thumb'=>'y',
					'image_url_thumb'=>''
			)
		)
	)
);


$keyword = array('content_list', 'content', 'tag');
$result = searchFromArray($array_search, $keyword);
var_dump($result);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Array to string conversion in /in/UPO8P on line 4 Array Warning: Array to string conversion in /in/UPO8P on line 4 Array Warning: Undefined array key 0 in /in/UPO8P on line 8 Warning: Undefined array key "" in /in/UPO8P on line 8 array(0) { }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33: Notice: Array to string conversion in /in/UPO8P on line 4 Array Notice: Array to string conversion in /in/UPO8P on line 4 Array Notice: Undefined offset: 0 in /in/UPO8P on line 8 Notice: Undefined index: in /in/UPO8P on line 8 array(0) { }
Output for 7.3.32 - 7.3.33: Array Array array(0) { }
Output for 5.3.0 - 5.3.29: Array Array Notice: Undefined offset: 0 in /in/UPO8P on line 8 Notice: Undefined index: in /in/UPO8P on line 8 array(0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Array Array Notice: Undefined offset: 0 in /in/UPO8P on line 8 Notice: Undefined index: in /in/UPO8P on line 8 array(0) { }

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