Automatic logout script if users have inactive more than 15 minutes [php] <?php session_start(); $inactive = 900; // Set timeout period in seconds if (isset($_SESSION[‘timeout’])) { $session_life = time() – $_SESSION[‘timeout’]; if ($session_life > $inactive) { session_destroy(); header("Location: logoutpage.php"); } } $_SESSION[‘timeout’] = time(); ?> [/php]
Category: PHP
In our PHP session you will learn about PHP, and how to execute scripts on your application
Permanent link to this article: https://blog.openshell.in/2011/09/php-automatic-session-logout/
Sep 19
PHP MYSQL ORDER BY Multiple Columns
If you want to Order 2 or more columns in SQL Query. When ordering by more than one column, the second column is only used if the values are identical with the onces in the first column. Example [sql] ‘Order by Column ORDER BY COLUMN1, COLUMN2 [/sql] Order 2 or more columns with different orders …
Permanent link to this article: https://blog.openshell.in/2011/09/php-mysql-order-by-multiple-columns/
Aug 15
String Function in PHP
nl2br(): The nl2br() function adds the tag if it finds the carriage return (n) in the text. If you text is long and at many places carriage return is present, even then the nl2br() tag will replace all the occurrence of the carriage return with tag. Here is the syntax of the nl2br() tag: [php] …
Permanent link to this article: https://blog.openshell.in/2011/08/string-function-in-php/
Aug 15
String Functions in PHP [heredoc syntax]
The heredoc syntax: In addition of the single quote and double quote syntaxex, PHP provides another way to specify a string called heredoc syntax. This syntax turns out to be a extremely useful for specifiying large chunks of variable-interpolated text, because it spares you from the need to escape internal quotation marks. It is especially …
Permanent link to this article: https://blog.openshell.in/2011/08/string-functions-in-php-heredoc-syntax/
Jul 24
Read and Write an XML File using PHP
How to read and write xml document with php’s DOMDocument. The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. For better understanding, I have written comment for almost every line of code. XML Code: file name – employee.xml [xml] <?xml version="1.0"?> <employees> <employee id="1" name="Albert"><age>34</age><![CDATA[ Employee details …
Permanent link to this article: https://blog.openshell.in/2011/07/read-and-write-an-xml-file-using-php/
Jul 22
Display first sentence with PHP
To display the first sentence of the paragraph with PHP. Use this code Code [php] function first_sentence($content) { $pos = strpos($content, ‘.’); if($pos === false) { return $content; } else { return substr($content, 0, $pos+1); } } [/php] Invoke the function like [php] echo first_sentence($content); [/php]
Permanent link to this article: https://blog.openshell.in/2011/07/display-first-sentence-with-php/
Jul 21
Window.open Not Working In IE
If you use window.open to open custom windows with JavaScript, you might encounter problems in Internet Explorer. Even though you can open new windows in other browsers, it doesn’t work in IE. The reason to this is it depends on how you name your JavaScript windows. IE doesn’t allow space here. window.open takes three parameters …
Permanent link to this article: https://blog.openshell.in/2011/07/window-open-not-working-in-ie/
Jun 18
Loading Javascript dynamically using jquery
If you are creating a web application, then your web pages may have all possibilities of being overwhelmed with a number of JavaScript files. Including large number of JavaScript files may slow down your web page. So its a good idea to load JavaScript dynamically to your web page, i.e load them only when these …
Permanent link to this article: https://blog.openshell.in/2011/06/loading-javascript-dynamically-using-jquery/
Jun 13
Create an RSS feed with PHP
Having an RSS feed on your website is a great way of sharing your content with the rest of the Internet. It’s not a new technology and it’s probably something that you use on a daily basis. If you have a blog or use any form of CMS, that software will most likely handle the …
Permanent link to this article: https://blog.openshell.in/2011/06/create-an-rss-feed-with-php/
Jun 09
Guide to MySQL database Engine.
A MySQL database gives you a choice of database engines and an easy way to switch them. Default MySQL Engine would be enough for most of your application but in certain circumstances where the other available engines may be better suited to the task at hand. Choose your engine The number of database engines available …
Permanent link to this article: https://blog.openshell.in/2011/06/guide-to-mysql-database-engine/