...zmiennaXML =<books>
<book publisher="Addison-Wesley" name="Design Patterns" />
<book publisher="Addison-Wesley" name="The Pragmatic Programmer" />
<book publisher="Addison-Wesley" name="Test Driven Development" />
<book publisher="Addison-Wesley" name="Refactoring to Patterns" />
<book publisher="O'Reilly Media" name="The Cathedral & the Bazaar" />
<book publisher="O'Reilly Media" name="Unit Test Frameworks" />
</books>;
w php tworze sobie plik xml
<?php
extract ( $_POST );
$dane= "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".$zmiennaXML;
$file = "param.xml";
...
a wynik jest taki
<?xml version="1.0" encoding="utf-8"?>
<books>
<book publisher=\"Addison-Wesley\" name=\"Design Patterns\"/>
<book publisher=\"Addison-Wesley\" name=\"The Pragmatic Programmer\"/>
<book publisher=\"Addison-Wesley\" name=\"Test Driven Development\"/>
<book publisher=\"Addison-Wesley\" name=\"Refactoring to Patterns\"/>
<book publisher=\"O\'Reilly Media\" name=\"The Cathedral & the Bazaar\"/>
<book publisher=\"O\'Reilly Media\" name=\"Unit Test Frameworks\"/>
</books>
jak zlikwidowac te "kreski"

dzieki
może mozna zadeklarowac ze ta zmienna jest xml czy co