Gerar um arquivo XML com php

Gostaria que vocês me ajudassem a gerar um arquivo XML através do php.

O arquivo é esse abaixo:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<data>
<setup>
<start book="none"/>
<background src="background.jpg" type="image" resize="true"/>
<buttons toolTips="enabled">
<books toolTip="Show books" description="Choose a book" icon="icons/books.png"/>
<pages toolTip="Show all pages" description="Select page you wish to see" cancelText="Go back" state="enabled" icon="icons/pages.png"/>
<printer toolTip="Print pages" description="Print your selection" cancelText="Go back" selectAll="Select All" state="enabled" icon="icons/printer.png"/>
<zoom toolTip="Zoom in" state="enabled" icon="icons/zoom.png"/>
<pdf toolTip="Download pdf version" description="Generate PDF" cancelText="Go back" selectAll="Select All" state="enabled" icon="icons/pdf.png"/>
<tableOfContent toolTip="View table of content" state="enabled" icon="icons/toc.png"/>
<contact toolTip="Contact me" state="enabled" icon="icons/contact.png"/>
<slideshow toolTip="Start/Stop slideshow" state="enabled" icon="icons/slideshow.png" />
<music toolTip="Play/Stop music" state="enabled" icon="icons/sound.png"/>
<full toolTip="Toggle full screen" state="enabled" icon="icons/full.png"/>
<tellAFriend toolTip="Tell a friend" state="enabled" icon="icons/tell.png"/>
<other bgColor="0xCCCCCC" bgAlpha="0.3"/>
</buttons>

<printer>
<alert delay="2000">
<started src="Printing started."/>
<canceled src="Printing canceled."/>
</alert>
</printer>

<zoom>
<alert delay="2000">
<zoomIn src="Double click the screen to zoom out."/>
<zoomDisabled src="Zoom function is disabled for this book."/>
</alert>
</zoom>

<slideshow autoPlay="false">
<alert delay="2000">
<on src="Slideshow started."/>
<off src="Slideshow stopped."/>
</alert>
</slideshow>

<music>
<alert delay="2000">
<on src="Please wait while the music is loading."/>
<off src="Music stopped."/>
</alert>
</music>

<preloading>
<background src="LOADING BACKGROUND"/>
<covers src="LOADING COVERS"/>
<book src="LOADING BOOK"/>
<photo src="LOADING BIGGER PHOTO"/>
</preloading>

<!-- Contact setup:
here you can setup your email, social icons, also the content that will be displayed on the page and the alerts -->

<contact email="gajkuba@gmail.com" toolTips="enabled">
<icons>
<twitter url="[http://flashden.net/user/mpc](http://flashden.net/user/mpc)" target="_blank" toolTip="Follow me on Twitter" state="enabled"/>
<facebook url="[http://flashden.net/user/mpc](http://flashden.net/user/mpc)" target="_blank" toolTip="Follow me on Facebook" state="enabled"/>
<website url="[http://flashden.net/user/mpc](http://flashden.net/user/mpc)" target="_blank" toolTip="Visit my blog" state="enabled"/>
</icons>
<text>
<title src="Contact massiveProCreation"/>
<content>

<![CDATA[ email: xyz@xyz.xyz, phone: 111-222-333]]>

</content>

<name src="Name"/>
<email src="Email"/>
<message src="Message"/>
<send src="Send"/>
<clear src="Clear"/>
</text>
<alert delay="2000">
<name src="Please input your name."/>
<email src="Please input your email."/>
<emailError src="Your email address is wrong!"/>
<message src="You haven't wrote any message."/>
<send src="Your email was sent."/>
</alert>
</contact>

<tellAFriend toolTips="enabled">
<text>
<title src="Send link to a friend."/>
<yourEmail src="Your Email"/>
<email src="Friends Email"/>
<message src="Message"/>
<send src="Send"/>
<clear src="Clear"/>
</text>

<alert delay="2000">
<yourEmail src="Please input your email."/>
<email src="Please input friends emai.l"/>
<emailError src="Your email address is wrong!"/>
<message src="You haven't wrote any message."/>
<send src="Your email was sent."/>
</alert>
</tellAFriend>

<pdf>
<setup method="generate" type="A5"/>
<alert delay="2000">
<generate src="Please wait while pdf is generating, you will be prompted with a 'save us' window."/>
</alert>
</pdf>

<copyrights src="Copyright © 2010, massiveProCreation" url="[http://activeden.net/user/mpc?ref=mpc](http://activeden.net/user/mpc?ref=mpc)" target="_blank" state="enabled"/>

<other>
<arrows state="enabled"/>
</other>

</setup>

<flipbook
width="700"
height="500"
proportion="0"
boarder="5"
middleBoarder="0.5"
boarderColor="0x000000"
boarderAlpha="1"
pdf="http://www.mpcreation.pl/flashden/flipbook/pdf_version.pdf"
title="Features Book"
bitmapSmoothing="true"
doubleClick="true"
resizeSwf="true"
resizeContent="false"
resizeTableOfContent="false"
zoom="true">

<alert delay="2000">
<loadingNext src="Please wait while the new page loads."/>
<loading src="Please wait while the page loads."/>
<pageNumber src="There are only 18 pages"/>
<video>
<enlarge src="Double Click to enlarge the video"/>
<close src="Double Click to close the video"/>
<preloading src="LOADING VIDEO"/>
</video>
</alert>

<shadows>
<inner src="1"/>
<curveGlow src="1"/>
<pageShadow src="1"/>
<innerPageShadow src="1"/>
</shadows>

<music src="sound.mp3" autoPlay="false" loop="true"/>
<tableOfContent number="2"/>

<thumbnails>
<boarder thickness="5" color="0x111111"/>
</thumbnails>

<page src="pages/cover.jpg" />
<page src="pages/table1.jpg"/>
<page src="pages/table2.jpg" type="table" bgColor="0xCCCCCC" bgAlpha="0.3" textColor="0x000000">
<list src="Table of Content"/>
<list src="Cover" number="1"/>
<list src="Content page" number="4"/>
<list src="Video support" number="6"/>
<list src="Amaizing Features" number="8"/>
<list src="Page Printing" number="10"/>
<list src="Great Design" number="12"/>
<list src="Swf support" number="14"/>
<list src="XML Driven" number="16"/>
<list src="Back Cover" number="18"/>
</page>

<page src="pages/content1.jpg"/>
<page src="pages/content2.jpg" type="content" width="300" height="400">
<![CDATA[<img src="logo.png" align="left" />

<p>Welcome this is page with XML Driven content.

<b>With deeplinking every page has it's own unique url so you can easily link to any spread you want!> <font color="#00FF00">(new feature)</font></b>

To format the text you can use bacis html tags like:

<li><font size="13">Font size,</font></li>
<li><font color="#00FF00">Font color,</font></li>
<li><b>Bold,</b></li>
<li><i>Italic,</i></li>
<li><u>Underline,</u></li>
<li>Image,</li>
<li>Link: view my <a href="[http://activeden.net/user/mpc?ref=mpc](http://activeden.net/user/mpc?ref=mpc)">ActiveDen profile.</a></li>
</li></p>]]>
</page>

<page src="pages/video1.jpg"/>
<page src="pages/video2.jpg" type="video" videoSrc="videos/organic.flv" duration="8.88" width="720" height="576"/>
<page src="pages/2_3.jpg" type="double" />
<page src="pages/4_5.jpg" type="double"/>
<page src="pages/6_7.jpg" type="double"/>
<page src="pages/8.jpg"/>
<page src="pages/9.swf"/>
<page src="pages/10_11.jpg" type="double"/>
<page src="pages/bcover.jpg" />
</flipbook>

<flipbook
width="0"
height="0"
proportion="0.7"
boarder="10"
middleBoarder="0.5"
boarderColor="0x000000"
boarderAlpha="1"
pdf="http://www.mpcreation.pl/flashden/flipbook/pdf_version.pdf"
title="Photography Book"
bitmapSmoothing="true"
doubleClick="true"
resizeSwf="true"
resizeContent="true"
resizeTableOfContent="true"
zoom="false">

<alert>
<loadingNext src="Please wait while the new page loads."/>
<loading src="Please wait while the page loads."/>
<pageNumber src="There are only 18 pages"/>
<video>
<enlarge src="Double Click to enlarge the video"/>
<close src="Double Click to close the video"/>
<preloading src="LOADING VIDEO"/>
</video>
</alert>

<music src="sound.mp3" autoPlay="false" loop="true"/>
<tableOfContent number="2"/>

<shadows>
<inner src="0"/>
<curveGlow src="1"/>
<pageShadow src="1"/>
<innerPageShadow src="1"/>
</shadows>

<thumbnails>
<boarder thickness="5" color="0x111111"/>
</thumbnails>

<page src="pages/cover_album.jpg" />
<page src="pages/05_1.jpg" type="table" bgColor="0xCCCCCC" bgAlpha="0.3" textColor="0x000000">
<list src="Table of Content"/>
<list src="Cover" number="1"/>
<list src="Content page" number="2"/>
<list src="Field Photo" number="4"/>
<list src="Abstract Photo 1" number="6"/>
<list src="Abstract Photo 2" number="8"/>
<list src="Yellow Field" number="10"/>
<list src="Video" number="12"/>
<list src="Grand Canyon" number="14"/>
<list src="Lake" number="16"/>
<list src="Back Cover" number="18"/>
</page>
<page src="pages/05_2.jpg" type="content" width="300" height="450">

<

&lt;flipbook
width="690"
height="494"
proportion="0"
boarder="0"
middleBoarder="0"
boarderColor="0x000000"
boarderAlpha="0"
pdf="[http://www.mpcreation.pl/flashden/flipbook/pdf_version.pdf" style="max-width:100%;border-radius:6px;margin:12px 0;display:block" loading="lazy" />"
title="Sample Brochure"
bitmapSmoothing="true"
doubleClick="true"
resizeSwf="true"
resizeContent="false"
resizeTableOfContent="false"
zoom="true">

<alert>
<loadingNext src="Please wait while the new page loads."/>
<loading src="Please wait while the page loads."/>
<pageNumber src="There are only 8 pages"/>
<video>
<enlarge src="Double Click to enlarge the video"/>
<close src="Double Click to close the video"/>
<preloading src="LOADING VIDEO"/>
</video>
</alert>
<music src="sound.mp3" autoPlay="false" loop="true"/>
<tableOfContent number="1"/>

<thumbnails>
<boarder thickness="0" color="0x111111"/>
</thumbnails>

<shadows>
<inner src="1"/>
<curveGlow src="1"/>
<pageShadow src="1"/>
<innerPageShadow src="1"/>
</shadows>

<page src="pages/brosure/front-cover_mini.jpg" large="pages/brosure/front-cover.jpg" />
<page src="pages/brosure/02_03_mini.jpg" large="pages/brosure/02_03.jpg" type="double" />
<page src="pages/brosure/04_mini.jpg" large="pages/brosure/04.jpg" />
<page src="pages/brosure/05_mini.jpg" large="pages/brosure/05.jpg" />
<page src="pages/brosure/06_mini.jpg" large="pages/brosure/06.jpg" />
<page src="pages/brosure/07_mini.jpg" large="pages/brosure/07.jpg" />
<page src="pages/brosure/back-cover_mini.jpg" large="pages/brosure/back-cover.jpg" />
</flipbook>
</data>

Não sei nem por onde começar, gostaria que vocês me ajudassem se possivel de forma bem detalhada para iniciar os primeiros passos.