What is Open Source Software?
Software in which the source codes are freely used, modify, and shared by anyone are called Open Source Software. These can also be distributed under licenses that adhere with the...
How to create a session? How to set a value in session ? How to Remove data from a session?
Create session : session_start();
Set value into session : $_SESSION['USER_ID']=1;
Remove data from a session : unset($_SESSION['USER_ID'];
What is the difference between Session and Cookie?
The main difference between sessions and cookies is that sessions are stored on the server, and cookies are stored on the user’s computers in the text file format. Cookies ca...
How to set cookies in PHP?
Setting new cookie
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Getting Cookie
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Updating Cookie
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Deleting Cookie
=...
How to declare an array in php?
Just Follow the Below example:::
Eg : var $arr = array('apple', 'grape', 'lemon');
require_once(), require(), include().What is difference between them?
require() includes and evaluates a specific file, while require_once() does that only if it has not been included before (on the same page). So, require_once() is recommended to us...
What are some of the big changes PHP has gone through in the past few years?
There are a number, but the big ones people are looking for are:
a. PHP 5.0 realised the object model (AKA OOP).
b. 5.1 added PDO - for accessing databases.
c. 5.3 - added name...
How can we encrypt and decrypt a data present in a mysql table using mysql?
AES_ENCRYPT () and AES_DECRYPT ()
Explain how a PHP session works?
A PHP session cookie is set in the clients browser, on every request the client sends that cookie to the server. PHP then uses that cookie to select the corresponding session infor...
What are the different tables present in mysql?
Total 5 types of tables we can create
1. MyISAM
2. Heap
3. Merge
4. InnoDB
5. ISAM
6. BDB
MyISAM is the default storage engine as of MySQL 3.23.