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<?php $wrap = array( array( (object)array("content" => "GrĂ¼ne Logistik", "date" => "2014-04-02 14:08:52"), (object)array("content" => "bellomondo ist klimaneutral", "date" => "2014-03-06 09:15:59"), ), array( (object)array("content" => "en test post title", "date" => "2014-04-07 15:31:19"), ), ); //var_dump($wrap); echo '---------------------'; $sorted = call_user_func_array('array_merge', $wrap); var_dump($sorted); echo '---------------------'; usort($sorted, function($a, $b) { return strtotime($a['date']) - strtotime($b['date']); }); var_dump($sorted); ?>

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