DOM XML (PHP 4) 函数
PHP Manual

DomNode->first_child

(PHP 4 >= 4.1.0)

DomNode->first_child Returns first child of node

说明

domelement DomNode->first_child ( void )

Returns the first child of the node.

(PHP >= 4.3 only) If no first child is found, NULL is returned.

See also domnode_last_child(), and domnode_next_sibling(), domnode_previous_sibling().


DOM XML (PHP 4) 函数
PHP Manual