PHP. Руководство по PHP. 2005
DomNode->first_child
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DomNode->first_child
Описание
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().
DomNode->dump_node
DomNode->get_content