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[EDIT] FILE: example.php

<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**
 * Examples (file #1)
 *
 * several examples for the methods of XML_Util
 * 
 * PHP versions 4 and 5
 *
 * LICENSE:
 *
 * Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category XML
 * @package XML_Util
 * @subpackage Examples
 * @author Stephan Schmidt <schst@php.net>
 * @copyright 2003-2008 Stephan Schmidt <schst@php.net>
 * @license http://opensource.org/licenses/bsd-license New BSD License
 * @version CVS: $Id$
 * @link http://pear.php.net/package/XML_Util
 */

/**
     * set error level
     */
    error_reporting(E_ALL);

require_once 'XML/Util.php';
 
 /**
 * replacing XML entities
 */
 print 'replace XML entities: ';
 print XML_Util::replaceEntities('This string contains < & >.');
 print "\n \n";

/**
 * reversing XML entities
 */
 print 'replace XML entities: ';
 print XML_Util::reverseEntities('This string contains &lt; &amp; &gt;.');
 print "\n \n";

/**
 * building XML declaration
 */
 print 'building XML declaration: ';
 print htmlspecialchars(XML_Util::getXMLDeclaration());
 print "\n \n";

print 'building XML declaration with additional attributes: ';
 print htmlspecialchars(XML_Util::getXMLDeclaration('1.0', 'UTF-8', true));
 print "\n \n";

/**
 * building document type declaration
 */
 print 'building DocType declaration: ';
 print htmlspecialchars(XML_Util::getDocTypeDeclaration('package', 
 'http://pear.php.net/dtd/package-1.0'));
 print "\n \n";

print 'building DocType declaration with public ID (does not exist): ';
 print htmlspecialchars(XML_Util::getDocTypeDeclaration('package', 
 array('uri' => 'http://pear.php.net/dtd/package-1.0', 
 'id' => '-//PHP//PEAR/DTD PACKAGE 0.1')));
 print "\n \n";

print 'building DocType declaration with internal DTD: ';
 print '<pre>';
 print htmlspecialchars(XML_Util::getDocTypeDeclaration('package', 
 'http://pear.php.net/dtd/package-1.0', 
 '<!ELEMENT additionalInfo (#PCDATA)>'));
 print '</pre>';
 print "\n \n";

/**
     * creating an attribute string
     */
    $att = array(
        'foo'  => 'bar',
        'argh' => 'tomato'
    );

print 'converting array to string: ';
 print XML_Util::attributesToString($att);
 print "\n \n";

/**
     * creating an attribute string with linebreaks
     */
    $att = array(
        'foo'  => 'bar',
        'argh' => 'tomato'
    );

print 'converting array to string (including line breaks): ';
 print '<pre>';
 print XML_Util::attributesToString($att, true, true);
 print '</pre>';
 print "\n \n";

/**
 * splitting a qualified tag name
 */
 print 'splitting qualified tag name: ';
 print '<pre>';
 print_r(XML_Util::splitQualifiedName('xslt:stylesheet'));
 print '</pre>';
 print "\n \n";

/**
 * splitting a qualified tag name (no namespace)
 */
 print 'splitting qualified tag name (no namespace): ';
 print '<pre>';
 print_r(XML_Util::splitQualifiedName('foo'));
 print '</pre>';
 print "\n \n";

/**
 * splitting a qualified tag name (no namespace, but default namespace specified)
 */
 print 'splitting qualified tag name '
 . '(no namespace, but default namespace specified): ';
 print '<pre>';
 print_r(XML_Util::splitQualifiedName('foo', 'bar'));
 print '</pre>';
 print "\n \n";

/**
 * verifying XML names
 */
 print 'verifying \'My private tag\': ';
 print '<pre>';
 print_r(XML_Util::isValidname('My Private Tag'));
 print '</pre>';
 print "\n \n";
 
 print 'verifying \'-MyTag\': ';
 print '<pre>';
 print_r(XML_Util::isValidname('-MyTag'));
 print '</pre>';
 print "\n \n";

/**
     * creating an XML tag
     */
    $tag = array(
        'namespace'  => 'foo',
        'localPart'  => 'bar',
        'attributes' => array('key' => 'value', 'argh' => 'fruit&vegetable'),
        'content'    => 'I\'m inside the tag'
    );

print 'creating a tag with namespace and local part: ';
 print htmlentities(XML_Util::createTagFromArray($tag));
 print "\n \n";

/**
     * creating an XML tag
     */
    $tag = array(
        'qname'        => 'foo:bar',
        'namespaceUri' => 'http://foo.com',
        'attributes'   => array('key' => 'value', 'argh' => 'fruit&vegetable'),
        'content'      => 'I\'m inside the tag'
    );

print 'creating a tag with qualified name and namespaceUri: ';
 print htmlentities(XML_Util::createTagFromArray($tag));
 print "\n \n";

/**
     * creating an XML tag
     */
    $tag = array(
        'qname'        => 'bar',
        'namespaceUri' => 'http://foo.com',
        'attributes'   => array('key' => 'value', 'argh' => 'fruit&vegetable')
    );

print 'creating an empty tag without namespace but namespace Uri: ';
 print htmlentities(XML_Util::createTagFromArray($tag));
 print "\n \n";

/**
     * creating an XML tag with more namespaces
     */
    $tag = array(
        'namespace'   => 'foo',
        'localPart'   => 'bar',
        'attributes'  => array('key' => 'value', 'argh' => 'fruit&vegetable'),
        'content'     => 'I\'m inside the tag',
        'namespaces'  => array(
            'bar'  => 'http://bar.com',
            'pear' => 'http://pear.php.net',
        )
    );

print 'creating an XML tag with more namespaces: ';
 print htmlentities(XML_Util::createTagFromArray($tag));
 print "\n \n";

/**
     * creating an XML tag with a CData Section
     */
    $tag = array(
        'qname'      => 'foo',
        'attributes' => array('key' => 'value', 'argh' => 'fruit&vegetable'),
        'content'    => 'I\'m inside the tag'
    );

print 'creating a tag with CData section: ';
 print htmlentities(XML_Util::createTagFromArray($tag, XML_UTIL_CDATA_SECTION));
 print "\n \n";

/**
 * creating an XML tag with a CData Section
 */
 $tag = array(
 'qname' => 'foo',
 'attributes' => array('key' => 'value', 'argh' => 't�t�'),
 'content' => 
 'Also XHTML-tags can be created '
 . 'and HTML entities can be replaced � � � � <>.'
 );

print 'creating a tag with HTML entities: ';
 print htmlentities(XML_Util::createTagFromArray($tag, XML_UTIL_ENTITIES_HTML));
 print "\n \n";

/**
 * creating an XML tag with createTag
 */
 print 'creating a tag with createTag: ';
 print htmlentities(XML_Util::createTag('myNs:myTag', 
 array('foo' => 'bar'), 
 'This is inside the tag', 
 'http://www.w3c.org/myNs#'));
 print "\n \n";

/**
 * trying to create an XML tag with an array as content
 */
 $tag = array(
 'qname' => 'bar',
 'content' => array('foo' => 'bar')
 );
 print 'trying to create an XML tag with an array as content: ';
 print '<pre>';
 print_r(XML_Util::createTagFromArray($tag));
 print '</pre>';
 print "\n \n";
 
 /**
 * trying to create an XML tag without a name
 */
 $tag = array(
 'attributes' => array('foo' => 'bar'),
 );
 print 'trying to create an XML tag without a name: ';
 print '<pre>';
 print_r(XML_Util::createTagFromArray($tag));
 print '</pre>';
 print "\n \n";
?>

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