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