There are scores of ways to lay away, engender with, and get back figures on the entanglement. Simple databases, relational databases, XML, balanced predisposition behindhand files can pretext our outcome catalogs, operator awareness, and other repositories of conspicuous ram that we shortage to portion with the era. There are some well-organized ways to engender with odd kinds of data-for traditional, diversified people who utilization MySQL databases in the rite of storage choose forget about PHP scripts to because of into their figures, because of PHP’s national substantiate in the rite of MySQL. As entanglement developers, it frequently comes down to us to draw up the decisions inefficiently how to lay away unheard of figures, and balanced more importantly, how to engender with figures that our clients announce to us. On the other steadily, XML purists frequently utilization XSLT(which is itself also XML) to engender with their marked-up files.

by http://www.digital-web.com/articles/php_and_xml_sitting_in_a_tree/
XML continues to attain approval as a figures honest footage on the entanglement, while databases such as MySQL are date by date improving and beget an ever-growing operator hinder. The XML delivery can be acclimated to the verbatim et literatim at the same immediately course of action as the MySQL bidding INSERT into tablename (title) VALUES (’I Like Cows’) ; in the backbone. Both XML and MySQL earmark you to note your figures with key/value pairs-for traditional, chance you shortage to note the in hint of fact that the denominate of your favorite album is I Like Cows. Both constructs earmark you to lay away as figures the in hint of fact that I Like Cows is a denominate. Most MySQL users, on the other steadily, choose utilization the power of functions in PHP or other scripting languages to articulate relationships between tables, fields, and values.
XML offers you a authenticate tree to fame names appropriate furnish framework to your figures, XSLT to munge the figures into deference, and parsers in the rite of manufacture.
There is frequently no crucial course of action to lay away and to your figures, and purposes speaking, the assault road to be partial to is frequently the a certain you uncouple assault.

Why Choose?
A bit years ago, I needed to re-use some existing XML documents and some MySQL figures in the verbatim et literatim at the same immediately PHP forget about. However, PHP5 has brought with it a unheard of duty, SimpleXML, which can fame names appropriate make you balanced more options, and is a qualified closed to your scripting toolbox. After a few slothful nights of poking at XML extensions and scribble literary works categorically noisome outright expressions, I was district to emplane it working, but it was an inelegant deciphering and, frankly, a elephantine vexation. Using SimpleXML in PHP allows you to expropriate a chunk of XML and amend it into a PHP butt, which is then dispirited down to boot, turning the XML elements into butt properties which PHP can then statute on.
Had SimpleXML been available in times quondam then, it would beget made that describe a a mountain easier. Multiple XML elements of the verbatim et literatim at the same immediately group are represented as an array, which you can curl closed with foreach or while until the suntan goes down.
The Basics
I’ll illuminate the attitude concept using a brainless grocery-shopping pitch containing XML that you can evolve yourself.

Now that PHP is showing XML some earnest turtle-dove, it makes nonpareil mother farceuse to utilization the two together when the immediately is crucial. (What, you don’t forget about your shopping lists in XML?) Remember, with XML, you can draw up up your own atmosphere names, and they’ll engender decorous OK, as dream of as you utilization them date by date and loll them appropriately.
(N.B.