Learn PHP Programming: Create Dynamic Websites with MYSQL

Learn how the echo statement outputs text and variables to the browser in PHP, including string literals, concatenation, and the ternary operator, with examples using name, age, and student status.

Explore the difference between echo and print in PHP, seeing how echo outputs with multiple parameters and print as a single-parameter statement, using variables like $x and $y.

Explore PHP variable scope, distinguishing global scope outside functions from local scope inside functions, and see how global variables interact with local variables in a sample program.

Explore how the global keyword in PHP brings global variables into a function’s local scope, enabling cross-file arithmetic and repeated access to variables like a and b, with practical examples.

Explore single-line and multi-line comments in PHP, using // and /* */ to annotate code without execution. See how comments serve as signposts for you and other programmers.

Discover how PHP handles data types, including integers, floats, strings, booleans, and arrays, with practical examples of declaring variables and printing outputs using printf and print_r.

Learn PHP strings through concatenation, length, and substring operations to manipulate text for dynamic content, build greetings, and output results with echo.

Learn PHP by performing addition, subtraction, multiplication, division, and modulus to handle numeric data and output calculations for dynamic websites.

Explore explicit casting in PHP to convert values between data types, including integer and string conversions. See practical examples converting 15.75 to an integer and 42 to a string.

Explore how PHP increment and decrement operators modify a variable by one, using pre and post forms to control data manipulation and output.

Explore how PHP logical operators and, or, and not combine conditions to drive decisions. See age checks for student discounts and coupon eligibility in practical code demos.

Learn PHP if statements as a core control tool, with examples using temperature checks and voting eligibility. Apply conditions and echo results to drive simple decision-based outputs in PHP.

Master the PHP if...else statement to control code flow and make decisions based on conditions, illustrated with temperature-based scenarios showing hot, warm, and cold days.

Learn to use shorthand if statements in PHP to streamline decisions, such as displaying weather messages and categorizing products by price with nested conditional logic.

Explore the PHP while loop as a fundamental construct that repeats code under a condition, with examples printing 1–5 and the first ten even numbers.

Learn how the do while loop in PHP executes a code block at least once and repeats while a condition holds. See examples printing 1 to 10 and calculating sum.

Master indexed arrays in PHP by building a numeric array of tech gadgets. Add a new item, remove the third element, and display the updated list with a for loop.

Explore multidimensional arrays in PHP, create and access two- and three-dimensional arrays like a matrix and a cube, and demonstrate indexing to retrieve elements.

Explore the PHP server superglobal to reveal server environment details and the current request, showing server name, document root, PHP version, and request method through practical code examples.

Learn how the post method, a super global for handling data, securely collects user input from an HTML form and processes the first name in PHP with checks and display.

Learn to use the $_GET superglobal and the get method to retrieve URL parameters from a simple HTML form and display them in PHP.

Discover how HTML and PHP collaborate to create dynamic forms with username and password fields, posting data to a server-side script for processing and validation.

Master server-side form validation in PHP by validating username and password, handling errors with clear messages, and using implode to present validation results for secure, dynamic web applications.

Explore how to display the current date and time in PHP, format the date, and compute tomorrow's date using the date function and string to time conversion.

Learn how to modularize PHP code by using include and require_once to reuse external files, create a configuration file, and manage your database host variables for dynamic websites.

Learn how PHP handles JSON data by encoding an associative array into JSON, decoding it, and displaying the resulting JSON to enable data exchange between server and web applications.