Find the value of a specified key in an array_PHP Tutorial

HTML

   

        输入要查找的值:
       
   

    查找的结果为:
   

   
   

 
 

<br>
//Example array search depth<br>
$src_array = array(<br>
'test' => '123',<br>
array(<br>
         'has' => 'OK',<br>
         'find'=> true,<br>
array(<br>
             'depth' => 'soso',<br>
array(<br>
'123' => 'wangbin',<br>
'wangbin' => 'wangbin456',<br>
array(<br>
'wangbin' => 'wangbin123',<br>
),
<p>
),<br>
),<br>
),<br>
);<br>
</p>

php

function find_array_key($find, $src_array)
{
If (is_array($src_array))
{
$src = '';
If (isset($src_array[$find]))
            {
$src .= $src_array[$find];
#Can be improved to delete the found value in search
return $src;
         }else
            {
foreach ($src_array as $key => $value)
                {
If (IS_ARAY ($ Value)) #determine whether an array is an array.                                                 {
                           return find_array_key($find, $value);
                }
            }
              return false;
}
}else{
         return false;
}
}

$src_array = array(

'test' => '123',
array(
         'has' => 'OK',
         'find'=> true,
array(
             'depth' => 'soso',
array(
'123' => 'wangbin',
'wangbin' => 'wangbin456',
array(
'wangbin' => 'wangbin123',
),

),

),
),
);

$username = $_REQUEST['username'];

if($username){
echo find_array_key($username, $src_array);
}else{
echo 'Find failed';
}
?>

Author "wbgod_1987"

http://www.bkjia.com/PHPjc/478622.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/478622.htmlTechArticleHTML !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN http://www. w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd html xmlns=http://www.w3.org/1999/xhtml head meta http-equi...