php Programming Language

php is a popular general-purpose scripting language especially suited to web development. It is fast, flexible, and pragmatic.

Learn how to declare and use variables and constants in php, including naming rules, scope, and the define() function.

php supports several data types including strings, integers, floats, booleans, arrays, objects, NULL, and resources.

php operators are used to perform operations on variables and values. Learn arithmetic, assignment, comparison, logical, string, and more operators.

Control statements in php allow you to control the flow of execution using if, else, elseif, switch, and match expressions.

php loops execute a block of code repeatedly. Learn while, do-while, for, and foreach loops with examples.

Functions in php are blocks of reusable code. Learn how to create, call, and use parameters, return values, and built-in functions.

Learn how to work with strings in php including string functions, formatting, searching, replacing, and manipulation techniques.

Arrays in php store multiple values in a single variable. Learn indexed arrays, multidimensional arrays, and common array functions.

Associative arrays in php use named keys instead of numeric indexes. Learn how to create, access, loop, and manipulate them.

php superglobals are built-in variables available in all scopes. Learn about $_GET, $_POST, $_SERVER, $_SESSION, $_COOKIE, and more.

Learn how to handle HTML forms in php using GET and POST methods, validate input, and prevent common security vulnerabilities.

Object-Oriented Programming in php. Learn how to define classes, create objects, use constructors, properties, and methods.

Inheritance allows a class to reuse properties and methods of another class. Learn single inheritance, method overriding, and the parent keyword in php.

Learn how to use interfaces and traits in php to implement contracts, share reusable methods, and work around single inheritance limitations.

php namespaces allow you to organize code and avoid name collisions. Learn how to define, use, and alias namespaces in php.

Learn how to create, read, write, append, and delete files in php using built-in file functions.

Learn how to handle errors and exceptions in php using try, catch, finally, throw, and custom exception classes.

Sessions and cookies allow php to persist data across multiple pages. Learn how to create, read, update, and delete sessions and cookies.

Learn how to connect php to a MySQL database using PDO and MySQLi, perform CRUD operations, and use prepared statements.

Learn best practices for writing clean, maintainable, and scalable object-oriented php code including SOLID principles, design patterns, and more.