php - extracting an element of an array -

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this question has answer here:

assume array:

array ( [0] => array ( [id] => 1171 [product_id] => 140 [fileid] => 479717 [purchid] => 847 [cartid] => 833 [uniqueid] => f100c3b3a853202fb6559fbacf025a6aa07f52c7 [downloads] => 99998 [ip_number] => [active] => 1 [datetime] => 2015-06-02 20:10:05 )     [1] => array ( [id] => 1172 [product_id] => 140 [fileid] => 313624 [purchid] => 847 [cartid] => 833 [uniqueid] => f00a3c91378ad469f333abeec64753b275f10670 [downloads] => 99999 [ip_number] => [active] => 1 [datetime] => 2015-06-02 20:10:05 )     [2] => array ( [id] => 1173 [product_id] => 140 [fileid] => 313618 [purchid] => 847 [cartid] => 833 [uniqueid] => ac125595e2dbca6a086261434582f6e7dfc5638e [downloads] => 99999 [ip_number] => [active] => 1 [datetime] => 2015-06-02 20:10:05 )     [3] => array ( [id] => 1174 [product_id] => 140 [fileid] => 313526 [purchid] => 847 [cartid] => 833 [uniqueid] => 3e6123e0a4453de71dec91a177f5b34217625680 [downloads] => 99999 [ip_number] => [active] => 1 [datetime] => 2015-06-02 20:10:05 ))

i want "extract" [0] array , use else has conditioned.

i said 0 element because has fileid = 479717 1 want.

so i`m looking @ extracting array (in case [0]) has filed = $myvalue. can set $myvalue whatever want.

does fits needs ?

function findbyid($id, $arrayofarrays){     foreach ( $arrayofarrays $contents )          if ( $contents['id'] == $id ) return $contents; }

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