WooCommerce: Intro to PHP
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The document provides an introduction to PHP, highlighting its function as a server-side scripting language that generates HTML for browsers. It outlines basic PHP syntax, including variable declaration, operators, conditional statements, loops, and functions. Additionally, it mentions the integration of PHP functions within WordPress themes and plugins.
WooCommerce: Intro to PHP
- 2. "PHP" "Hypertext Preprocessor": executed @ server -> result @ browser <p><?php echo date( 'Y' ); ?></p> ...generates: <p>2019</p> CustomizeWoo.com
- 4. PHP Requirements / 1 CustomizeWoo.com ● HTML (w3schools.com/html) ● PHP (w3schools.com/php) ○ "syntax" ■ scripts start/end: <?php ... ?> ■ statements end with ; ■ //comment or /*comment*/ or #comment ■ variables: $var (integer, array, …) ■ echo vs return
- 5. PHP Requirements / 2 CustomizeWoo.com ● PHP (w3schools.com/php) ○ "syntax" ■ operators: == / === / >= / != / += / . ■ conditional statements: if ( ) { } else { } ■ loops: foreach ( ) { } ■ functions ■ arrays ■ forms
- 6. WordPress PHP PHP functions are in functions.php file of your current theme (plus: other theme's PHP files - plus: plugins' PHP - plus: custom PHP) CustomizeWoo.com