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Tag PHP

MySql Function Between.. AND in LEFT JOIN

Posted on August 10, 2013 by Suresh Kamrushi in Mysql

If we are storing range of values in a field in a table and we want to see what are the values falling between these range, we can use “Between.. and” function along with Left Join in Mysql.

CodeIgniter : Loosing session data after login

Posted on August 10, 2013 by Suresh Kamrushi in PHP

In Codeigniter after login I am storing all the data into session and redirecting to some controller.But i am loosing all values in that controller and code redirect back to login page. I try every trick to debug this issue but fail!!!

Implementation of User permission with PHP & Mysql Bitwise operators.

Posted on August 10, 2013 by Suresh Kamrushi in Mysql, PHP

Another way to implement user permission in your application and also a good use of bitwise operator. This can be done with PHP as well as Mysql.

Here I am showing how we can implement it with Mysql.

Maximum Number of Columns Per Table – Mysql

Posted on August 10, 2013 by Suresh Kamrushi in Mysql

+9-3 Maximum we can have 4096 columns per table, but exact limit depends on several factors, listed below: 1) Every table has a maximum row …

PHP-Mysql Interview Questions

Posted on August 10, 2013 by Suresh Kamrushi in Mysql, PHP

Some PHP interview question i am sharing with you, which are really interesting and upgraded my knowledge. It might help you out…:)

Htaccess and Modrewrite

Posted on August 10, 2013 by Suresh Kamrushi in PHP

In Windows, links will get to your pages regardless of capitalization (or lack of it). So if the search engine indexed your page when it was www.example.com/page01.htm, it will still find it even if you renamed it www.example.com/PAGE01.htm (but read on, as there ARE ways that capitalization might effect you). In a Linux or Unix-based environment, things are a little different. The good news is that the base URL

PHP: Calculating Business days from given dates or for particular period.

Posted on August 10, 2013 by Suresh Kamrushi in PHP

Whenever i get time i used to answers in PHP related questions in Stackoverflow. Today i come across common question being ask by number of developers, is to get the “Bussiness days” in a specific period. Developer write unneccessary of lines of codes, which we can get easily by using Datetime functions available with PHP.

PHP Interview Questions – Magic Contant,Methods and Quotes

Posted on August 9, 2013 by Suresh Kamrushi in PHP

PHP provides a large number of predefined
constants to any script which it runs.There are seven magical constants that
change depending on where they are used. For example, the value of __LINE__
depends on the line that it’s used on in your script. These special constants
are case-insensitive and are as follows: