DOMNode->insertBefore()
(No version information available, might be only in CVS)
DOMNode->insertBefore() —
Adds a new child before a reference node
说明
DOMNode
DOMNode insertBefore
( DOMNode $newnode
[, DOMNode $refnode
] )
This function inserts a new node right before the reference node.
If you plan to do further modifications on the appended child you must use
the returned node.
参数
-
newnode
-
The new node.
-
refnode
-
The reference node. If not supplied, newnode
is
appended to the children.
错误/异常
-
DOM_NO_MODIFICATION_ALLOWED_ERR
-
Raised if this node is readonly or if the previous parent of the node
being inserted is readonly.
-
DOM_HIERARCHY_REQUEST_ERR
-
Raised if this node is of a type that does not allow children of the
type of the newnode
node, or if the node to
append is one of this node's ancestors or this node itself.
-
DOM_WRONG_DOCUMENT_ERR
-
Raised if newnode
was created from a different
document than the one that created this node.
-
DOM_NOT_FOUND
-
Raised if refnode
is not a child of this node.