php - Remove duplicate items from an array -


i use line of code below loop through table in database:

$items_thread = $connection -> fetch_all($sql);

and if print array out:

print_r($items_thread);

i this:

array (     [0] => array         (             [recipientid] => 3             [recipientscreenname] => tom l             [recipientfirstname] => thomas             [recipientemail] => info@xx.com         )      [1] => array         (             [recipientid] => 3             [recipientscreenname] => tom l             [recipientfirstname] => thomas             [recipientemail] => info@xx.com         )      [2] => array         (             [recipientid] => 1             [recipientscreenname] => lau t             [recipientfirstname] => tk             [recipientemail] => lau@xx.co.uk         )  )

but want rid of duplicate items in array, use array_unique

print_r(array_unique($items_thread));

i weird result below not quite looking for: 

array (     [0] => array         (             [recipientid] => 3             [recipientscreenname] => tom l             [recipientfirstname] => thomas             [recipientemail] => info@xx.com         )  )

ideally, think should return this:

array (     [0] => array         (             [recipientid] => 3             [recipientscreenname] => tom l             [recipientfirstname] => thomas             [recipientemail] => info@xx.com         )      [1] => array         (             [recipientid] => 1             [recipientscreenname] => lau t             [recipientfirstname] => tk             [recipientemail] => lau@xx.co.uk         )  )

what shall right? have used wrong php syntax/default function?

the array_unique function you. needed add sort_regular flag:

$items_thread = array_unique($items_thread, sort_regular);

however, bren suggests, should in sql if possible.


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