WeberDev.com PHP and MySQL Code

LOG IN
BEGINNER GUIDES  |  PHP CLASSES  |  CODE SEARCH  |  ARTICLES SEARCH  |  PHP FORUMS  |  PHP MANUAL  |  PHP FUNCTIONS LIST  |  WEB SITE TEMPLATES
Start typing to search for PHP and MySQL Code Snippets and Articles Search
Submit a code Example / Snippet Submit Your Code
Search Engine Optimization Monitor SEO Monitor
Web Site UpTime Monitor UpTime Monitor
WeberDev's Monthly code contest PHP Code Contest
Your Personal Examples List My Favorite Examples
Your Personal Articles List My Favorite Articles
Edit Account Info Update Your Profile
PHP Code Search
Web Development Forums
Learn MySQL Playing Trivia
PHPBB2 Templates
Web Development Index
Web Development Resources
Web Development Content
PHPClasses
PHP Editor
PHP Jobs
Vision.To Design
Ajax Tutorials
PHP Programming Help
PHP/MySQL Programming
Webmaster Resources
Webmaster Forum
XML meta language
website builder
Mobile Dev World

Go Back Add a Comment Send this example to a friend Add this Article to your personal favoritest for easy future access to your favorite Code Examples and Articles. Submit a code example Print this code example.
BACK ADD A COMMENT SEND TO A FRIEND ADD TO MY FAVORITES ADD CODE EXAMPLES PRINT
Title : PHP Script to find url links in a page
Categories : PHP, URLs, Regexps, Arrays Click here to Update Your Picture
Mark Allsop
Date : Mar 19th 2008
Grade : 2 of 5 (graded 7 times)
Viewed : 13698
File : No file for this code example.
Images : No Images for this code example.
Search : More code by Mark Allsop
Action : Grade This Code Example
Tools : My Examples List

  Submit your own code examples 
 

find url links in a page

<?php
// findlinks.php
// php code example: find links in an html page
// mallsop.com 2006 gpl
echo "<HTML><HEAD><TITLE>findlinks.php</TITLE></HEAD> \n";
echo
"<BODY bgcolor=\"#336699\" text=\"000000\" link=\"#416D96\" vlink=\"#414141\" alink=\"#DDCEA2\"> \n";
echo
"<form method=post action=\"$PHP_SELF\"> \n";
echo
"<p><table align=\"absmiddle\" width=\"100%\" bgcolor=\"#ededed\" name=\"tablesiteopen\" border=\"0\">\n";
echo
"<tr><td align=left>";
if (
$_POST["FindLinks"]) {
       
$urlname = trim($_POST["urlname"]);
        if (
$urlname == "") {
            echo
"Please enter a urlname. <br>\n";
            }
        else {
// open the html page and parse it
   
           
$page_title = "n/a";
           
$links[0] = "n/a";
           
//$meta_descr = "n/a";
            //$meta_keywd = "n/a";
   
           
if ($handle = @fopen($urlname, "r")) { // must be able to read it
               
$content = "";
                while (!
feof($handle)) {
                   
$part = fread($handle, 1024);
                   
$content .= $part;
                   
// if (eregi("</head>", $part)) break;
                   
}
               
fclose($handle);
               
$lines = preg_split("/\r?\n|\r/", $content); // turn the content into rows
   
                    // boolean
               
$is_title = false;
               
//$is_descr = false;
                //$is_keywd = false;
               
$is_href = false;                     
                   
$index = 0;

               
//$close_tag = ($xhtml) ? " />" : ">"; // new in ver. 1.01
               
foreach ($lines as $val) {
                    if (
eregi("<title>(.*)</title>", $val, $title)) {
                       
$page_title = $title[1];
                       
$is_title = true;
                        }
                            if (
eregi("<a href=(.*)</a>", $val, $alink)) {     
                               
                             
$newurl = $alink[1];
                                   
$newurl = eregi_replace(' target="_blank"', "", $newurl);
                                   
$newurl = trim($newurl);
                                   
$pos1 = strpos($newurl, "/>");                       
                                    if (
$pos1 !== false) {
                                           
$newurl = substr($newurl, 1, $pos1);
                                            }
                                   
$pos2 = strpos($newurl, ">");                       
                                    if (
$pos2 !== false) {
                                           
$newurl = substr($newurl, 1, $pos2);
                                            }
                                   
$newurl = eregi_replace("\"", "", $newurl);
                                   
$newurl = eregi_replace(">", "", $newurl);
           
                                   
//if (!eregi("http", $newurl)) { // local
                                        //    $newurl = "http://".$_SERVER["HTTP_HOST"]."/".$newurl;
                                    //    }
                                   
if (!eregi("http", $newurl)) { // local
                                           
$pos1 = strpos($newurl, "/");                       
                                            if (
$pos1 == 0) {
                                               
$newurl = substr($newurl, 1);
                                            }
                                           
$newurl = $urlname.$newurl;
                                        }                               
                                   
                                   
// put in array of found links
                                   
$links[$index] = $newurl;
                                   
$index++;
                             
$is_href = true;
                               
                            }
                   
                    }
// foreach lines done

               
echo "<p><b>Page Summary</b><br>\n";
                echo
"<b>Url:</b> ".$urlname."<br>\n";
                if (
$is_title) {
                    echo
"<b>Title:</b> ".$page_title."<br>\n";
                    }
                else {
                    echo
"No title found<br>\n";
                    }
                echo
"<b>Links:</b><br>\n";
                if (
$is_href) {
                    foreach (
$links as $myval) {
                        echo
"Link: ".$myval."<br>\n";
                        }
                    }
                else {
                    echo
"No links found<br>\n";
                    }
                echo
"End</p>\n";
                }
// fopen handle ok
       
else {
            echo
"<br>The url $urlname does not exist or there was an fopen error.<br>";
            }   
        echo
"Press the back button to try again.<br>";
        }
// end else urlname given
   
} // else find links now submit
else {
   
$urlname = "http://www.google.com/intl/en/about.html"; // or whatever page you like
   
echo "<p><b>findlinks.php example</b><br>\n";
    echo
"File or URL: <input type=\"TEXT\" name=\"urlname\" value=\"$urlname\" maxlength=\"255\" size=\"80\"><br>\n";
    echo
"<input type=\"SUBMIT\" name=\"FindLinks\" value=\"Find\"></font><br></p> \n";
    }
echo
"</td></tr>";
echo
"</table></p>";
echo
"</form></BODY></HTML>\n";

?>



Check for functional file links (broken Files)
Categories : PHP, Data Validation, FTP, Regexps, Arrays
columned txt file to array()?
Categories : Arrays, Strings, Regexps, PHP
Link Extractor - This function is used to extract links from a given URL. This will convert relative path into absolute path and also remove PHPSESSID stuff.
Categories : PHP, URLs, Regexps
BBCode Formatting String
Categories : PHP, HTML, Regexps, Arrays
grab the result of any calculation you submit to the Google Calculator.
Categories : PHP, Arrays, Web Services, Regexps, Math.
Tag content retrieval from websites with preg_match
Categories : PHP, Regexps, Arrays, HTML and PHP
Pageinfo: Array containing page URI, page query string (parameters), request method (GET or POST) and the complete URI
Categories : Variables, PHP Options and Info, Arrays, URLs, PHP
Variable serialization and unserialization. Loading and saving variable structures to and from file.
Categories : Arrays, Filesystem, Variables, Strings, PHP
Extract keywords from a string having words in " " count as one string.
Categories : PHP, Strings, Regexps, Search
Simple way of scaling any image to fit either given width or height.
Categories : PHP, Graphics, Arrays
Get the self URL of current page
Categories : PHP, URLs, Beginner Guides
PHP Random rss feeds - selects 49 random feeds from an unlimited list and displays them on your website. It's Ideal for those moments when you got 5 minutes and dont know which one of your feeds to read.
Categories : PHP, Rich Site Summary (RSS), Arrays
WWW interface to Unix Manual(phpMan)
Categories : Program Execution, Strings, Arrays, PHP
Tweak Array, insert/add elements to any position of your arrays - delete elements from your arrays - move elements within your arrays - replace elements from your arrays ... the array, 'dynamically' grows or shrinks to whatever we tweak it.
Categories : PHP Classes, Arrays, PHP
A recursive function to traverse a multi-dimensional array where the dimensions are not known
Categories : Arrays, PHP, Algorithms