php - Removing duplicate array, from an array of arrays -

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here's example of array i'm working against:

array ( [0] => array     (         [id] => 1331         [shortname] => mcs-115-113c         [userid] => 663         [email] => asdfasfd@asdfasfd.br         [username] => foobarbaz         [nombrecompleto] => asdfasdf         [lastlogin] => 1367501486     ) [1] => array     (         [id] => 1331         [shortname] => mafa-eoof         [userid] => 323         [email] => asdfasfd@asdfasfd.br         [username] => foobarbaz         [nombrecompleto] => asdfasdf         [lastlogin] => 136732186     ) [2] => array     (         [id] => 1331         [shortname] => mkt-foobar         [userid] => 434         [email] => asdfasfd@asdfasfd.br         [username] => adsfasdf         [nombrecompleto] => asdfasdf         [lastlogin] => 1367234486     )

in case, want compare username element in array , delete duplicates.

so in case, return 2 elements, username foobarbaz , adsfasdf:

array ( [0] => array     (         [id] => 1331         [shortname] => mafa-eoof         [userid] => 323         [email] => asdfasfd@asdfasfd.br         [username] => foobarbaz         [nombrecompleto] => asdfasdf         [lastlogin] => 136732186     ) [1] => array     (         [id] => 1331         [shortname] => mkt-foobar         [userid] => 434         [email] => asdfasfd@asdfasfd.br         [username] => adsfasdf         [nombrecompleto] => asdfasdf         [lastlogin] => 1367234486     )

how can accomplish in php?

try this:

<?php  $test=array ( 0 => array     (         'id' => '1331',         'shortname' => 'mcs-115-113c',         'userid' => '663',         'email' => 'asdfasfd@asdfasfd.br',         'username' => 'foobarbaz',         'nombrecompleto' => 'asdfasdf',         'lastlogin' => '1367501486',     ), 1 => array     (         'id' => '1331',         'shortname' => 'mafa-eoof',         'userid' => '323',         'email' => 'asdfasfd@asdfasfd.br',         'username' => 'foobarbaz',         'nombrecompleto' => 'asdfasdf',         'lastlogin' => '136732186'     ), 2 => array     (         'id' => '1331',         'shortname' => 'mkt-foobar',         'userid' => '434',         'email' => 'asdfasfd@asdfasfd.br',         'username' => 'adsfasdf',         'nombrecompleto' => 'asdfasdf',         'lastlogin' => '1367234486'     ) );  $userdupe=array();  foreach ($test $index=>$t) {     if (isset($userdupe[$t["username"]])) {         unset($test[$index]);         continue;     }     $userdupe[$t["username"]]=true; }  print_r($test); ?>

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