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Indexing website resources - an example
Searches, and search engines example from a Well House Consultants training course
More on Searches, and search engines [link]
Source code: globalindex.html Module: H308
<?php
/* Our own example of a resource indexing program - this code goes through our
directories of blog articles, longer technical pieces, and source code examples
and produced a dynamic index. For production use with as many reources as we
have, I would recommend cacheing the results! */
# ------------------------- Set up a table to jump around the page
# The page will be a long one, so we need navigation within the page!
$jumper = <<<JUMP
A - Linux, Apache httpd and Tomcat; web deployment
C - C and C++ programming
G - General Well House Consultants topics
H - PHP programming and use
J - Java programmming and use including Servlets and JSP
M - Well House Manor; hotel and events
P - Perl programming and use
Q - General programming subjects
R - Ruby programming and use
S - Databases and the MySQL database in particular
T - Tcl, Tcl/Tk, wish and Expect programming and use
U - Lua programming and use
W - Web site programming and techniques
Y - Python programming and use
Z - Miscellany
JUMP;
$jumptab = "<table><tr><td width=40 bgcolor=#FFFFDD> </td><td>";
$jumptab .= "<a href=#top>top</a> - top of page<br>";
$jumptab .= "<a href=#new>new</a> - new articles not yet categorised<br>";
foreach (explode("\n",$jumper) as $sector){
list($kl,$stuff) = explode(" - ",trim($sector));
$sbn[$kl] = $stuff;
$jumptab .= "<a href=#$kl>$kl</a> - $stuff<br>";
}
$jumptab .= "<a href=#end>end</a> - end of page";
$jumptab .= "</td></tr></table><br>";
# ------------------------- Read Module names
$mnt[Z999] = "new and uncategorised articles";
foreach (file("$_SERVER[DOCUMENT_ROOT]/resources/mtable.txt") as $mname) {
$mkey = substr($mname,0,4);
$mnt[$mkey] = substr($mname,4);
}
# ------------------------- Find longer articles
foreach (file("$_SERVER[DOCUMENT_ROOT]/solutions/rtable.txt") as $mname) {
$fol = explode(" ",$mname);
$desc = implode(" ",array_slice($fol,2));
$rtab[$fol[0]] .= "[<a href=$fol[1] target=pix>article</a>] $desc<br>";
}
# ------------------------ Go through blog articles
mysql_connect("localhost","wellho","xxxxxxxx");
mysql_select_db("wellho");
$art_tab = array(); // Read in the article to module table
foreach (file("$_SERVER[DOCUMENT_ROOT]/../include/bloglinks.txt") as $bll) {
list ($art,$mod) = explode(" ",trim($bll));
$art_tab[$art] .= "$mod:";
}
// all articles, starting with most recent
$aindex = array();
$q = mysql_query("select * from mt_entry order by entry_id desc");
// add each article to all relevant indexes
while ($row = mysql_fetch_assoc($q)) {
$pn = $row[entry_id]."_".preg_replace('/[^a-z0-9]+/i','-',$row[entry_title]);
$html = "<a href=/mouth/$pn.html target=pix>[$row[entry_id]]</a> $row[entry_title]<br>";
$addunits = explode(":",$art_tab[$row[entry_id]]);
if (count($addunits) < 2) { $addunits = array("Z999","");
}
foreach ($addunits as $inmod) {
if ($inmod == "") continue;
$aindex[$inmod] .= $html;
}
}
ksort($aindex);
# ------------------------ Source code examples
foreach (array_keys($aindex) as $mod) {
$dc = "$_SERVER[DOCUMENT_ROOT]/../trainee/".strtolower($mod);
$sce = @opendir($dc);
while ($item = @readdir($sce)) {
$fl = @fopen("$dc/$item","r");
$ttl = "";
while ($line = @fgets($fl)) {
if (substr($line,0,3) == "#%%") {
$ttl = substr($line,3);
continue;
}
}
if ($ttl) $source[$mod] .=
"[<a href=http://www.wellho.net/resources/ex.php4?item=".
strtolower($mod)."/$item target=pix>source</a>] $ttl<br>";
}
}
// ------------------------- Create main output report
$result = "";
foreach (array_keys($aindex) as $mod) {
$keyletter = substr($mod,0,1);
if ($keyletter != $oldkey) {
$result .= $jumptab;
$result .= "<h3><a name=$keyletter>$keyletter</a>: $sbn[$keyletter]</h3>";
$oldkey = $keyletter;
}
if ($mod == "Z999") {
$result .= "<i><a name=new>These articles have not yet been categorised</i><br>";
}
$result .= "<a href=http://www.wellho.net/resources/$mod.html>Module ".
"$mod</a> - $mnt[$mod]<br>";
$result .= "$aindex[$mod]";
$result .= "$rtab[$mod]";
$result .= "$source[$mod]<br>";
}
$result .= $jumptab;
$ttl = "Global Blog Index";
// -------------------- Staff use ONLY - add in a report of unblogged modules!
include ("$_SERVER[DOCUMENT_ROOT]/../include/stafflogin.v8");
if (pwtest()) {
$misslist = array();
foreach (array_keys($mnt) as $chk) {
if ($aindex[$chk] == "") {
array_push($misslist,"<a href=/resources/$chk.html>$chk</a> $mnt[$chk]");
}
}
$missed = "No blog articles on: <br>".implode("<br>",$misslist)."<br>";
} else {
$missed = "";
}
# Following is the template into which the results are saved
///////////////////////////////////////////////////////////////////////////
?>
<html><head>
<title><?= $ttl ?></title>
<h2><a name=top>Horse's Mouth blog articles - sorted by subject</a></h2>
This is a global index of over 2000 short technical and general articles
written as <a href=http://www.wellho.net/horse/">"The Horse's Mouth"
blog </a> by Graham Ellis of Well House Consultants, sorted by subject.
We have also listed longer articles and source code examples that relate
to the same topic, for your convenience. <i>Note that we do not list
modules on which no blog articles have been written</i><br>
<?= $result ?>
<?= $missed ?>
<a name=end>© Graham Ellis, Well House Consultants</a>
</body></html>
Learn about this subject
This module and example are covered on our public PHP Techniques course. If you have a group of
three or more trainees who need to learn the subject, we can also arrange a
private or on site course for you.
Books covering this topic
Yes. We have over 700 books in our library. Books
covering PHP are listed here and when you've selected a
relevant book we'll link you on to Amazon to order.
Other Examples
This example comes from our "Searches, and search engines" training module. You'll find a description of the topic and some
other closely related examples on the "Searches, and search engines" module index page.
Full description of the source code
You can learn more about this example on the training courses listed on this page,
on which you'll be given a full set of training notes.
Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License. Other resources
• Our Solutions centre provides a number of longer technical articles.
• Our Opentalk forum archive provides a question and answer centre. • The Horse's mouth provides a daily tip or thought. • Further resources are available via the resources centre. • All of these resources can be searched through through our search engine • And there's a global index here. Purpose of this website
This is a sample program, class demonstration or answer from a
training course. It's main purpose
is to provide an after-course service to customers who have attended our
public private or
on site courses, but the examples are made
generally available under conditions described below.
Web site author
Conditions of use
Past attendees on our training courses are welcome to use individual
examples in the course of their programming, but must check
the examples they use to ensure that they are suitable for their
job. Remember that some of our examples show you how not to do
things - check in your notes. Well House Consultants take no responsibility
for the suitability of these example programs to customer's needs.
This program is copyright Well House Consultants Ltd. You are forbidden from using it for running your own training courses without our prior written permission. See our page on courseware provision for more details. Any of our images within this code may NOT be reused on a public URL without our prior permission. For Bona Fide personal use, we will often grant you permission provided that you provide a link back. Commercial use on a website will incur a license fee for each image used - details on request. | ||||
PH: 01144 1225 708225 • EMAIL: info@wellho.net • WEB: http://www.wellho.net • SKYPE: wellho PAGE: http://www.wellho.info/resources/ex.php • PAGE BUILT: Sun Oct 11 14:50:09 2020 • BUILD SYSTEM: JelliaJamb |