Complete PHP Tutorial
Master PHP with our comprehensive tutorial.
Getting Started with PHP
Install PHP from php.net or use XAMPP/WAMP. Create a .php file with tags. Execute it with php filename.php or run on a web server.
Php Introduction
Content for php-introduction.
Php History
Content for php-history.
Syntax Basics
Content for syntax-basics.
Variables Constants
Content for variables-constants.
Data Types
Content for data-types.
Operators
Arithmetic: +, -, *, /, %. Comparison: ==, ===, !=, !==, <, >. Logical: &&, ||, !. String: . (concatenation).
Control Structures
Content for control-structures.
Functions
Define functions with function keyword. Parameters and return values. Default parameters, pass by reference (&), variable functions.
Arrays
Indexed arrays, associative arrays (key-value pairs), multidimensional arrays. Array functions: array_push(), array_merge(), array_filter(), in_array().
Strings
Single quotes preserve literal strings. Double quotes allow variable interpolation. String functions: strlen(), substr(), str_replace(), strtoupper().
Superglobals
, for form data. for sessions. for cookies. for server information. for uploads.
Form Handling
Process HTML forms with and . Validate form data. Check ['REQUEST_METHOD']. Handle file uploads with .
File Handling
Content for file-handling.
Mysql Integration
Content for mysql-integration.
Oop Basics
Content for oop-basics.
Classes Objects
Content for classes-objects.
Inheritance
Learn about inheritance in PHP.
Traits
Content for traits.
Namespaces
Content for namespaces.
Error Handling
Content for error-handling.
Exceptions
Learn about exceptions in PHP.
Pdo
Content for pdo.
Security
Validate and sanitize input. Use prepared statements. Hash passwords with password_hash(). Implement CSRF tokens. Use HTTPS.
Validation
Content for validation.
Composer
Content for composer.
Best Practices
Content for best-practices.
Testing PHP
Use PHPUnit for unit testing. Write test cases and assertions. Mock objects and dependencies. Test controllers and business logic.
Last updated: March 2026