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<?php
/*
* urlgrab.php
*
* A simple command-line utility to extract all of the URLS contained
* within <A HREF> tags from a document.
*
* NOTE: Only works with tidy for PHP 4.3.x, please see urlgrab5.php for tidy for PHP 5
*
* By: John Coggeshall <john@php.net>
*
* Usage: php urlgrab.php <file>
*
*/
/* Parse the document */
tidy_parse_file($_SERVER['argv'][1]);
/* Fix up the document */
tidy_clean_repair();
/* Get an object representing everything from the <HTML> tag in */
$html = tidy_get_html();
/* Traverse the document tree */
print_r(get_links($html));
function get_links($node) {
$urls = array();
/* Check to see if we are on an <A> tag or not */
if($node->id == TIDY_TAG_A) {
/* If we are, find the HREF attribute */
$attrib = $node->get_attr(TIDY_ATTR_HREF);
if($attrib) {
/* Add the value of the HREF attrib to $urls */
$urls[] = $attrib->value;
}
}
/* Are there any children? */
if($node->has_children()) {
/* Traverse down each child recursively */
foreach($node->children() as $child) {
/* Append the results from recursion to $urls */
foreach(get_links($child) as $url) {
$urls[] = $url;
}
}
}
return $urls;
}
?>
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