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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.
This function replaces the child oldnode
with the passed new node. If the new node is already a child it
will not be added a second time. If the replacement succeeds the
old node is returned.
newnodeThe new node. It must be a member of the target document, i.e. created by one of the DOMDocument->createXXX() methods or imported in the document by DOMDocument->importNode().
oldnodeThe old node.
Raised if this node is readonly or if the previous parent of the node being inserted is readonly.
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
put in is one of this node's ancestors or this node itself.
Raised if newnode was created from a different
document than the one that created this node.
Raised if oldnode is not a child of this node.
Another Useful functions:
function.dom-domxpath-registernamespace | function.dom-domxpath-query | function.dom-domxpath-evaluate | function.dom-domxpath-construct | function.dom-domtext-splittext | function.dom-domtext-iswhitespaceinelementcontent | function.dom-domtext-construct | function.dom-domprocessinginstruction-construct | 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 | function.dom-domnamednodemap-item | function.dom-domnamednodemap-getnameditemns | function.dom-domnamednodemap-getnameditem | function.dom-domimplementation-hasfeature | function.dom-domimplementation-createdocumenttype | function.dom-domimplementation-createdocument | function.dom-domimplementation-construct | function.dom-domentityreference-construct | function.dom-domelement-setidattributens | function.dom-domelement-setidattributenode | function.dom-domelement-setidattribute | function.dom-domelement-setattributens | function.dom-domelement-setattributenodens | function.dom-domelement-setattributenode | function.dom-domelement-setattribute | function.dom-domelement-removeattributens | function.dom-domelement-removeattributenode | function.dom-domelement-removeattribute | function.dom-domelement-hasattributens | function.dom-domelement-hasattribute | function.dom-domelement-getelementsbytagnamens | function.dom-domelement-getelementsbytagname | function.dom-domelement-getattributens | function.dom-domelement-getattributenodens | function.dom-domelement-getattributenode | function.dom-domelement-getattribute | function.dom-domelement-construct | function.dom-domdocumentfragment-appendxml | function.dom-domdocument-xinclude | function.dom-domdocument-validate | function.dom-domdocument-schemavalidatesource | function.dom-domdocument-schemavalidate | function.dom-domdocument-savexml | function.dom-domdocument-savehtmlfile | function.dom-domdocument-savehtml | function.dom-domdocument-save | function.dom-domdocument-relaxngvalidatesource | function.dom-domdocument-relaxngvalidate | function.dom-domdocument-registernodeclass | function.dom-domdocument-normalizedocument | function.dom-domdocument-loadxml | function.dom-domdocument-loadhtmlfile | function.dom-domdocument-loadhtml | function.dom-domdocument-load | function.dom-domdocument-importnode | function.dom-domdocument-getelementsbytagnamens | function.dom-domdocument-getelementsbytagname | function.dom-domdocument-getelementbyid | function.dom-domdocument-createtextnode | function.dom-domdocument-createprocessinginstruction | function.dom-domdocument-createentityreference | function.dom-domdocument-createelementns | function.dom-domdocument-createelement | function.dom-domdocument-createdocumentfragment | function.dom-domdocument-createcomment | function.dom-domdocument-createcdatasection | function.dom-domdocument-createattributens | function.dom-domdocument-createattribute | function.dom-domdocument-construct | function.dom-domcomment-construct | function.dom-domcharacterdata-substringdata | function.dom-domcharacterdata-replacedata | function.dom-domcharacterdata-insertdata | function.dom-domcharacterdata-deletedata | function.dom-domcharacterdata-appenddata | function.dom-domattr-isid | function.dom-domattr-construct |
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.