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<?php $obj1 = (object) "hello1"; $obj1->gg = 'world1'; $obj2 = (object) "hello2"; $obj2->gg = 'world1'; $obj3 = (object) "hello3"; $obj3->gg = 'world3'; $arr = array(); $arr[0] = $obj1; $arr[1] = $obj2; $arr[2] = $obj3; $res = array_map("unserialize", array_unique(array_map("serialize", (array) $arr))); //$res = array_unique(array_map(function ((array) $arr) { return $arr['gg']; }, $holder)); print_r($res);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => stdClass Object ( [scalar] => hello1 [gg] => world1 ) [1] => stdClass Object ( [scalar] => hello2 [gg] => world1 ) [2] => stdClass Object ( [scalar] => hello3 [gg] => world3 ) )

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