Arrays example from a Well House Consultants training course
More on Arrays
[link]
This example is described in the following article(s): • Script to present commonly used images - PHP - [link] • Letting new visitors know we provide training courses - [link] • Quiet summer days? I think not! - [link] |
If you're searching for a page where you can try this code,
select here |
Source code: pflog2.php Module: H106
<?php
/* Sample data line
tcl08 http://www.wellho.net/resources/T203.html
*/
mysql_connect("localhost","wellho","mypasswordremoved");
mysql_select_db("wellho");
$most = fopen("../picfeed.txt","r");
$c2d = array();
while ($line = fgets($most,4096)) {
$parts = explode(" ",$line);
# If we are looking for possible bandwidth and image theft
# eliminate out own domains!
if ($_REQUEST[away] == 1 and
eregi('wellho|savethe|firstg|google',$parts[1])) continue;
if ($_REQUEST[away] == 1 and
eregi('64\.62\.240',$parts[1])) continue;
if ($_REQUEST[away] == 1 and
! eregi('[[:alpha:]]',$parts[1])) continue;
$counter[$parts[0]]++;
# Remember latest context if given and NOT this page
if (ereg('[[:alpha:]]',$parts[1]) and ! ereg("pflog",$parts[1]))
{
$context[$parts[0]] = $parts[1];
}
$c2d[$parts[0]][$parts[1]]++;
}
arsort($counter);
$html="<table border=0>";
$v = 0;
$pagelen = 20;
$npages = 1+(count($counter) - 1) / $pagelen;
if ($_REQUEST[page] < 1) $_REQUEST[page] = 1;
if ($_REQUEST[page] > $npages) $_REQUEST[page] = 1;
$offset = ($_REQUEST[page]-1) * $pagelen;
$keylist = array_keys($counter);
$thispage = 1 + $offset/20;
for ($k = $offset; $k < $offset+$pagelen; $k++) {
if ($k >= count($keylist)) break;
$pname = $keylist[$k];
$vp = $k + 1;
$snipped = substr($context[$pname],0,50);
if (strlen($snipped) < strlen($context[$pname])) $snipped .= "...";
$cc = count($c2d[$pname]);
$qv = mysql_query("select descriptor from im_library where filename = \"$pname.jpg\"");
$titlepic = "<i>Not a database image</i><br>";
if ($row = mysql_fetch_assoc($qv)) {
if ($row[descriptor] != "" ) {
$titlepic = "Title: <b>$row[descriptor]</b><br />";
$alt = " alt=\"".addslashes($row[descriptor])."\"";
} else {
$titlepic = "<i>Untitled</i><br>";
$alt = "";
} }
$html .= "<tr valign=top>";
$html .= "<td><img src=http://www.wellho.net/pix/$pname.jpg $alt></td>";
$html .= "<td>$titlepic";
$html .= "Rank: $vp, downloaded $counter[$pname] times<br>";
$html .= "Image name: $pname.jpg<br>";
$html .= "Latest context: ".
"<a href=$context[$pname]>$snipped</a><br><br>";
$html .= "Number of different contexts: $cc - tops:<br />";
arsort($c2d[$pname]);
$kli = array_keys($c2d[$pname]);
for ($kon=0; $kon<8; $kon++) {
if ($kon >= count($kli)) break;
$nva = $c2d[$pname][$kli[$kon]];
$snipped = substr($kli[$kon],0,50);
if (strlen($snipped) < strlen($kli[$kon])) $snipped .= "...";
if (!eregi("[[:alpha:]]",$snipped)) {
$html .= ($kon+1).": ($nva) No referer<br />";
} else {
$html .= ($kon+1).": ($nva) <a href=".$kli[$kon].">".
$snipped."</a><br />";
}
}
$html .= "</td></tr>";
}
$html .= "</table>";
$kna = "";
if ($_REQUEST[away] ==1) $kna = "&away=1";
for ($k=1; $k<=$npages; $k++) {
if ($k == $thispage) {
$pjump .= " - <b>$k</b>";
} else {
$pjump .= " - <a href=?page=$k$kna>$k</a>";
}
}
?>
<html>
<head><title>Our most viewed pictures</title></head>
<body><h1>Most Viewed Pictures - page <?= $thispage ?></h1>
Here are our most viewed pictures:<br>
<?php if ($_REQUEST[away] == 1) print ("AWAY requests only (i.e. used from domains we do not own)!<br>"); ?>
<?= $html ?><br>
Note that the time period over which this file is measured will vary as it's truncated on a regular basis
to 4000 records; this means you get no indication of the overall traffic levels in terms of "hits per day"
but you can see the relative merits of the pictures.<br /><br />
Jump to page <?= $pjump ?>
</body></html>
Learn about this subject
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 "Arrays" training module. You'll find a description of the topic and some
other closely related examples on the
"Arrays" 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
This web site is written and maintained by
Well House Consultants.
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.