如何获取所有材料的ID？

Question

帮我

public function indexAction() 
{ 


$tpos = $this->getDoctrine()->getRepository('TestBundle:Materials')->findAll(); 

foreach($tposs as $tpos) { 
    $posts['id']; 
} 

echo $midcount; 

怎么你愿意吗？

注意：未定义指数：ID

Answer 1

$materials = $this->getDoctrine()->getRepository('TestBundle:Materials')->findAll(); 
$materialIds = array(); 
foreach ($materials as $material) { 
    $materialIds[] = $material->getId(); 
}