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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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DomNode->insert_before

(no version information, might be only in CVS)

DomNode->insert_before --  Inserts new node as child

Description

domelement DomNode->insert_before ( domelement newnode, domelement refnode )

This function inserts the new node newnode right before the node refnode. The return value is the inserted node. If you plan to do further modifications on the appended child you must use the returned node.

(PHP >= 4.3 only) If newnode already is part of a document, it will be first unlinked from its existing context. If refnode is NULL, then newnode will be inserted at the end of the list of children.

domnode_insert_before() is very similar to domnode_append_child() as the following example shows which does the same as the example at domnode_append_child().

Example 1. Adding a child

<?php
include("example.inc");

if (!$dom = domxml_open_mem($xmlstr)) {
  echo "Error while parsing the document\n";
  exit;
}

$elements = $dom->get_elements_by_tagname("informaltable");
print_r($elements);
$element = $elements[0];

$newnode = $element->insert_before($element, $element);
$children = $newnode->children();
$attr = $children[1]->set_attribute("align", "left");

echo "<pre>";
$xmlfile = $dom->dump_mem();
echo htmlentities($xmlfile);
echo "</pre>";
?>

See also domnode_append_child().

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DomNode->has_child_nodesUpDomNode->is_blank_node

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Another Useful functions:


function.domnode-unlink-node | function.domnode-set-namespace | function.domnode-set-name | function.domnode-set-content | function.domnode-replace-node | function.domnode-replace-child | function.domnode-remove-child | function.domnode-previous-sibling | function.domnode-prefix | function.domnode-parent-node | function.domnode-owner-document | function.domnode-node-value | function.domnode-node-type | function.domnode-node-name | function.domnode-next-sibling | function.domnode-last-child | function.domnode-is-blank-node | function.domnode-insert-before | function.domnode-has-child-nodes | function.domnode-has-attributes | function.domnode-get-content | function.domnode-first-child | function.domnode-dump-node | function.domnode-clone-node | function.domnode-child-nodes | function.domnode-attributes | function.domnode-append-sibling | function.domnode-append-child | function.domnode-add-namespace | function.dom-domnodelist-item | function.dom-domnode-replacechild | function.dom-domnode-removechild | function.dom-domnode-normalize | function.dom-domnode-lookupprefix | function.dom-domnode-lookupnamespaceuri | function.dom-domnode-issupported | function.dom-domnode-issamenode | function.dom-domnode-isdefaultnamespace | function.dom-domnode-insertbefore | function.dom-domnode-haschildnodes | function.dom-domnode-hasattributes | function.dom-domnode-clonenode | function.dom-domnode-appendchild |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.