xiaozi 2015-03-14 13:31:42
php函数返回值为数组的时候，赋值不会重置数组内部指针。
function test()
{
$arr2 = [1,2,3];
foreach ($arr2 as $a) {}
return $arr2;
}
$arr4 = test();
// bool(false)
var_dump(current($arr4));
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