PHP SimpleXML: Function Open_File

PHP Version: PHP 4 >= 4.2.1

Description

PHPs DOM functions include domxml_new_doc() to create new XML documents, dmxml_open_file() to open an XML document file as a DOM object, and domxml_open_mem() to create a DOM object from an XML document already in memory. These functions return a DOM object, not a String to other common data type. When you use the PHP DOM extension functions, you typically first create a DOM document object and then manipulate it using functions that are part of the class of that object. There are a number of object classes available, and by starting with a DOMDocument object, you can then examine it and retrieve new objects reflecting XML document components such as element, attributes and so on. domxml_open_file() function creates a DOM object from XML file.

Usage:

objectdomxml_open_file ( string filename [, int mode [, array &error]])

Optional parameter mode can be used to change the behavior of this function. It was added in PHP 4.3.0. You can use one of the following constants for it: DOMXML_LOAD_PARSING (default), DOMXML_LOAD_VALIDATING or DOMXML_LOAD_RECOVERING. You can add to it also DOMXML_LOAD_DONT_KEEP_BLANKS, DOMXML_LOAD_SUBSTITUTE_ENTITIES and DOMXML_LOAD_COMPLETE_ATTRS byusing bitwise or option.

Example:

            <?php

                        echo "<p>Parsed Employee Data</p>";

                        $xmlfileName = $_POST['inputfile'];

                        $default_dir = "xml_files/";

                        $default_dir .=   $xmlfileName;

                        $myDOM = domxml_open_file($default_dir);

                        $root = $myDOM->document_element();

                        //print

                        $s = simplexml_import_dom($dom);

                        echo "Element Name";

                        echo   $s->employeename[0];

            ?>

How it Works:

            I have created a DOM object from a xml file. Ensure that the file is well formed.

            $myDOM = domxml_open_file($default_dir);

            In the above code I have created a DOM object.

            $root = $myDOM->document_element();

            After I created a new DOM object, I extracted the root element from the DOM object.

            Then I printed the name of the employee.

            $s = simplexml_import_dom($dom);

            echo "Element Name";

            echo   $s->employeename[0];

Output

<employee>

            <employeename>Test</employeename>

            <employeeaddress>Test Address</employeeaddress>

            <SSN>12345</SSN>

            <company>Test Company</company>

</employee>