helly Sat Oct 29 12:38:49 2005 EDT
Added files:
/php-src/ext/spl/examples xml_tree.php
Log:
- Add new example
http://cvs.php.net/co.php/php-src/ext/spl/examples/xml_tree.php?r=1.1&p=1
Index: php-src/ext/spl/examples/xml_tree.php
+++ php-src/ext/spl/examples/xml_tree.php
<?php
/** @file xml_tree.php
* @brief XML Tree example
* @ingroup Examples
* @author Marcus Boerger
* @date 2003 - 2005
* @version 1.0
*
* Usage: php xml_tree.php \<file\> [\<len\>]
*
* Simply specify the xml file to tree with parameter \<file\>.
* The second parameter allows to output a maximum of \<len\> characters of
* the element or attribute value.
*/
if ($argc < 2) {
echo <<<EOF
Usage: php ${_SERVER['PHP_SELF']} <file>
Displays a graphical tree for the elements in <file>.
<file> The file for which to generate the tree graph.
<len> Max length to display for attribute and element content (default: 0).
EOF;
exit(1);
}
if (!class_exists("RecursiveTreeIterator", false))
require_once("recursivetreeiterator.inc");
class SimpleXmlStructure extends AppendIterator implements RecursiveIterator
{
function __construct($xml)
{
parent::__construct();
$xml = is_object($xml) ? $xml : $xml =
simplexml_load_file($xml, 'SimpleXmlIterator');
$this->append($xml);
$this->append($xml->attributes());
}
function key()
{
return ($this->getIteratorIndex() ? '@' : '') . parent::key();
}
function hasChildren()
{
return $this->getInnerIterator()->hasChildren()
|| !$this->getIteratorIndex();
}
function getChildren()
{
$inner = $this->getInnerIterator();
return $this->getIteratorIndex()
? $inner->getChildren()
: new SimpleXmlStructure($inner->getChildren());
}
function current()
{
global $len;
if ($len)
{
$val = substr(parent::current(), 0, $len);
$nws = preg_replace("/([\r\n]|\s\s+)/e", " ", $val);
return ($this->getIteratorIndex() ? '= ' : ': ') . $nws;
}
else
{
return '';
}
}
}
$xml = new SimpleXmlStructure($argv[1]);
$it = new RecursiveTreeIterator($xml, RecursiveTreeIterator::BYPASS_CURRENT);
$len = isset($argv[2]) ? $argv[2] : 0;
foreach($it as $c=>$v)
{
echo "$c$v\n";
}
?>
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