Why we use isset in PHP?
PHP | isset() The isset () function is used to check whether a variable is set or not. It returns true if a variable is set otherwise it returns false. <?php $var = "StudyZone4U.com"; …
What are the 3 different ways in PHP to connect with MySQL?
The three different way in PHP to connect with MySQL is: MySQL MySQLI PDO Note: We should use MySQLI because MySQLI is imporoved version of MySQL and have more function then MySQL.
Converting array of objects to array in php
PHP | Converting array of objects to array Array of objects look like this: Array ( [0] => stdClass Object ( [id] => 1 [name] => Ram [roll] => 12 ) [1] => stdClass Object ( …
Comments in PHP
PHP | Comments A comment in PHP code is a line that is not executed as a part of the program. It's only read by someone who is looking at the code. By reading the comments …
What is PHP Variables
PHP | Variable A variable is a user define keyword which is used to store value like string, number, and array. Once a variable is defined then we can use it one or more than …
How do you define a constant in php?
Constant in PHP The define() function is used to defining a constant in PHP define("GREETING", "Welcome to StudyZone4U.com"); Constants are like variables except that once they are defined they cannot be changed or undefined …
What is JQuery?
jQuery: jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude …
Export and import database using SSH
SSH | Export and Import Large Database OR Table Using SSH can be a good practice to manage the files and databases on your account. It is most important to use in the following circumstance …
Web Scraping with PHP
PHP | Web Scraping Web scraping is used to get specific data from another website when there is no API available for it. There are many techniques for web scraping. You can read more about this …
How to get an AWS KMS Key description in python with boto3
Python | Get an AWS KMS Key description in python with boto3 The describe_key() function is used to get the key description. It takes KeyArn and returns a dictionary having KeyMetadata. These are some necessary items …
PHP Syntax and Tags
PHP | Syntax, and Tags PHP introduces a list of Tags to code PHP. PHP tags allow the PHP parsing engine to get in and get out from the PHP block. A PHP script can …
What is HTML?
HTML | What is HTML HTML is a web language that stands for HyperText Markup Language. It was created by Berners-Lee in late 1991. HTML is the standard markup language for creating web pages that …
SQL Update statement
SQL Update statement The UPDATE statement is used to update the records of an existing table in a database. We can update single as well as multiple columns using SQL update statement. The basic syntax …
How can we remove duplicate value from an array in php?
PHP | Remove duplicate value from an array Duplicate value can remove from an array by using the array_unique function. If two or more array values are the same, the first appearance will be kept …
what is Cross-site scripting?
Cross-site scripting (XSS) Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications. XSS enables attackers to inject client-side script into web pages viewed by other users. A cross-site scripting …