Tag: PHP mysql for advanced learning

Unset() function means in php?

The behavior of unset()  inside of a function can vary depending on what type of variable you are attempting to destroy. If a globalized variable is unset() inside of a function, only the local variable is destroyed. The variable in the calling environment will retain the same value as before unset()  was called. Example <?php […]

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Data Sending Ways in PHP

There are some certain ways to send your information or data to the PHP page- Using Form Methods – Get & Post Using Cookies & Session Using Query String / URL Rewriting Using Hidden form fieldForm MethodsThe GET Method: The GET method sends information separated by the ? Operator.Example: http://www.xyz.com/home.html?city=Gurgaon Please note that the GET […]

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OOPs Concepts – PHP

OOP is intimidating to a lot of developers because it introduces new syntax and, at a glance, appears to be far more complex than simple procedural, or inline, code. However, upon closer inspection, OOP is actually a very straightforward and ultimately simpler approach to programming. Before we go in details, let’s define important terms related […]

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Working with Images – PHP

We need to create an HTML form that allows you to choose the file to be uploaded. Note: please make sure you have form method type is post and enctype=”mutipart/form-data” to to handle file uploading process successfully. HTML Code <form enctype=”multipart/form-data” action=”process.php” method=”POST”> Choose File : <input name=”myfile” type=”file” /> <input type=”submit” value=”Upload” /> </form> […]

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Sending email – Mail Function in PHP

Almost in every web application sending automated email by system is the common requirement. So, it’s very common and important part that must be known by developer. The simple example, when a visitor to your website fills out a enquiry form. mail function return a boolen value, return true if email sent successfully, false otherwise […]

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Managing Sessions & Cookies

The basic task of both cookies and sessions is to store visitor data so that it can be accessed by every page on a website. Cookies: Cookies are small text files that are stored in the visitor’s browser for a specific time or for a long  -lifespan. Cookies can be edited by the visitor.  in […]

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