On the introduction of Web Programming with PHP, PHP is a web-based scripting language. PHP mainly used for web application development. PHP can embed with HTML and CSS also.
Generally in Web Programming with PHP, we use MySQL as a database. For using MySQL, PHP has some predefined MySQL functions.Some functions are,
- mysqli_connect (for the database connection)
- mysqli_query (for run the queries)
- mysqli_fetch_assoc (for fetching the data from the database)
- mysqli_num_rows (for getting number of rows generated by SELECT query)
SEE ALSO: mysql_fetch_row() VS mysql_fetch_object() VS mysql_fetch_assoc() VS mysql_fetch_array()

In Web Programming with PHP, PHP uses the “echo” function to print the value of a variable and any string. For example,
PHP Tag:
1 2 3 |
<?php ?> |
First Program in PHP:
1 2 3 |
<?php echo "Hello World!"; ?> |
Hello World!
OUTPUT:
PHP Comments:
Types of PHP Comments,
- Single line (// this is a single line comment)
- Multiple lines (/*this is multiple line comment*/)
10 Best PHP Books for Web Programming
- PHP: The Complete Reference

Shop: PHP: The Complete Reference
2. PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide

Shop: PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide
3. Programming PHP: Creating Dynamic Web Pages, Third Edition

Shop: Programming PHP: Creating Dynamic Web Pages, Third Edition
4. PHP, MySQL & JavaScript All – in – One For Dummies

Shop: PHP, MySQL & JavaScript All – in – One For Dummies
5. Web Design with HTML, CSS, JavaScript and jQuery Set

Shop: Web Design with HTML, CSS, JavaScript and jQuery Set
6. Head First PHP & MySQL: A Brain-Friendly Guide

Shop: Head First PHP & MySQL: A Brain-Friendly Guide
7. Learning PHP, MySQL & JavaScript 5e (Learning PHP, MYSQL, Javascript, CSS & HTML5)

Shop: Learning PHP, MySQL & JavaScript 5e (Learning PHP, MYSQL, Javascript, CSS & HTML5)
8. Expert PHP and MySQL (Wrox Programmer to Programmer)

Shop: Expert PHP and MySQL (Wrox Programmer to Programmer)
9. PHP Cookbook 3ed

Shop: PHP Cookbook 3ed
10. Programming PHP: Creating Dynamic Web Pages, Third Edition

Shop: Programming PHP: Creating Dynamic Web Pages, Third Edition
Happy Coding..!