DomNode->prefix
DomNode->remove_child
DOM XML (PHP 4) Functions
PHP Manual

# DomNode->previous_sibling

(PHP 4 >= 4.1.0)

DomNode->previous_sibling — Returns the previous sibling of node

### Description

domelement DomNode->previous_sibling ( void )

This function returns the previous sibling of the current node. If there is no previous sibling it returns `FALSE` (< 4.3) or `NULL` (>= 4.3). You can use this function to iterate over all children of a node as shown in the example.

See also domnode_next_sibling().

DomNode->prefix
DomNode->remove_child
DOM XML (PHP 4) Functions
PHP Manual