Tag: best php training institute in gurgaon

Difference between require() and require_once()?

The require() and require_once() functions perform same work. Both functions will include and evaluates the specific file while executing the code. if include() is not able to find a specified file on location at that time it will throw a warning however, it will not stop script execution. For the same scenerio require() will throw […]

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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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PHP – Strings Functions

String functions are the most important functions frequently used in PHP. String is the sequence of characters, like “Let’s learn String functions”. There is no installation required to use string function. Example <?php $name = “Hirdesh Bhardwaj”; print($name); ?> String Concatenation Operator To concatenate two string variables together, we use the dot (.) operator − […]

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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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Require () and Include () function in PHP

The Include() and require() statements are used to insert codes written in other files, in the flow of  execution. The main of using include and require functions to integrate one page code or content into another page. You can maintain usually some repeated functionality in the form of PHP file and finally you can call […]

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Introduction to Ajax

Ajax (Asynchronous Java script And XML)  Introduction In Jesse Garrett’s original article that coined the term, it was AJAX. The “X” in AJAX really stands for XML HTTP Request though, and not XML. Jesse later conceded that Ajax should be a word and not an acronym and updated his article to reflect his change in heart. So “Ajax” […]

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Data types in Mysql / Mariadb

Numeric Data Types: INT (Integer): Int data type represents an integer of normal size. So simply it can used to store numeric value. There are also BIGINT, MEDIUMINT, SMALLINT and TINYINT which represent different range of integer values. DECIMAL: Decimal data type represents numbers with specific floating values. Maximum permitted value is 65 and maximum […]

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The do-while loop

Difference Between while and do…while Loop: With a while loop, the condition to be evaluated is tested at the beginning of each loop statement, so if the conditional expression evaluates to false, the loop will never be executed. With a do-while loop, on the other hand, the loop will always be executed once, even if […]

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