这个不是2维的吗?
$a[0]["img_width"]=$b["img_width"];
$a[0]["img_height"]=$b["img_height"];
$a[1]["img_width"]=$b["img_width"];
$a[1]["img_height"]=$b["img_height"];
$a[2]["img_width"]=$b["img_width"];
$a[2]["img_height"]=$b["img_height"];
$a[0]["img_width"]=$b["img_width"];
$a[0]["img_height"]=$b["img_height"];
$a[1]["img_width"]=$b["img_width"];
$a[1]["img_height"]=$b["img_height"];
$a[2]["img_width"]=$b["img_width"];
$a[2]["img_height"]=$b["img_height"];
array(
'id' => 1,
'cid' => 1,
'sid' => 1,
'name' => 't1',
'imgurl' => 'book1.jpg',
),
array(
'id' => 2,
'cid' => 2,
'sid' => 2,
'name' => 't2',
'imgurl' => 'book2.jpg',
),
);
$b = array(
'imgWidth' => 100,
'imgHeight' => 200,
);
for ($i = 0; $i < count($a); $i++)
{
$a[$i]['imgWidth'] = $b['imgWidth'];
$a[$i]['imgHeight'] = $b['imgHeight'];
}print_r($a);
?>