SEO with keywords for a website based on images

05:15
  • Create unique, accurate page titles using <title> tag placed within the <head> tag.
  • Please bear in mind that Google does not recommend putting keywords into the title tag. So it is very good practice to make sure that your title effectively communicates the topic of the page's content.
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SEO pratices for thumbnails

05:12
description of your image content using alt and title attributes of <img> tag. Image names can sometimes be composed of some identifiers which are meaningless for customers. However, using meaningful image names is also recommended.
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What is CTR?

04:51
It is Click Through Rate.
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What is 404?

04:50
particular webpage or the file is missing from the webhost server.
It is a server error code
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What are webmaster tools?

04:49
we can get free Indexing data, backlinks information, crawl errors, search queries, CTR, website malware errors and submit the XML sitemap.Webmaster tools is a free service by Google
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magic methods?

04:36
Magic methods are the members functions that is available to all the instance of class Magic methods always starts with “__”. Eg. __construct All magic methods needs to be declared as public


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What is CURL?

04:35
CURL stands for Client URL Library.

CURL allows you to connect and communicate to many different types of servers with many different types of protocols. libcurl currently supports the http, https, ftp, gopher, telnet, dict, file, and ldap protocols. libcurl also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading (this can also be done with PHP’s ftp extension), HTTP form based upload, proxies, cookies, and user+password authentication.
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Pagination in PHP and MySQL

04:30
<?php function pagination($per_page = 10, $page = 1, $url = '', $total){

$adjacents = "2";

$page = ($page == 0 ? 1 : $page);
$start = ($page - 1) * $per_page;

$prev = $page - 1;
$next = $page + 1;
$lastpage = ceil($total/$per_page);
$lpm1 = $lastpage - 1;

$pagination = "";
if($lastpage > 1)
{
$pagination .= "<ul class='pagination'>";
$pagination .= "<li class='details'>Page $page of $lastpage</li>";
if ($lastpage < 7 + ($adjacents * 2))
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}$counter'>$counter</a></li>";
}
}
elseif($lastpage > 5 + ($adjacents * 2))
{
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}$counter'>$counter</a></li>";
}
$pagination.= "<li class='dot'>...</li>";
$pagination.= "<li><a href='{$url}$lpm1'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}$lastpage'>$lastpage</a></li>";
}
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<li><a href='{$url}1'>1</a></li>";
$pagination.= "<li><a href='{$url}2'>2</a></li>";
$pagination.= "<li class='dot'>...</li>";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}$counter'>$counter</a></li>";
}
$pagination.= "<li class='dot'>..</li>";
$pagination.= "<li><a href='{$url}$lpm1'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}$lastpage'>$lastpage</a></li>";
}
else
{
$pagination.= "<li><a href='{$url}1'>1</a></li>";
$pagination.= "<li><a href='{$url}2'>2</a></li>";
$pagination.= "<li class='dot'>..</li>";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}$counter'>$counter</a></li>";
}
}
}

if ($page < $counter - 1){
$pagination.= "<li><a href='{$url}$next'>Next</a></li>";
// $pagination.= "<li><a href='{$url}$lastpage'>Last</a></li>";
}else{
//$pagination.= "<li><a class='current'>Next</a></li>";
// $pagination.= "<li><a class='current'>Last</a></li>";
}
$pagination.= "</ul>\n";
}
return $pagination;
}


$page=1;
if(isset($_GET['page']) && $_GET['page']!=''){
$page=$_GET['page'];
}

echo pagination(10,$page,'pagination.php?page=',200);
?>
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thumbnail creation PHP script

04:27
 
  • To create a thumbnail, first check file entenson, and then read in the file using the imagecreatefromjpeg() or imagecreatefrompng() or imagecreatefromgif() function and can calculate the new thumbnail size.
  • imagesx() and imagesy() functions return the width and height of the image respectively.
 
 
function createthumb($name,$filename,$new_w,$new_h)
{
$system=explode(".",$name);
if (preg_match("/jpg|JPG|jpeg|JPEG/",$system[1])){$src_img=imagecreatefromjpeg($name);}
 
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What is triggers?

04:25
A trigger is a database object which is associated with particular database table.
Triggers gets called automatically when particular event(INSERT, UPDATE, DELETE)
occurs on table.
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