What are some recommended practices for integrating PHP functionality with WordPress for advanced customization?

When integrating PHP functionality with WordPress for advanced customization, it is recommended to create custom functions and hooks to maintain compatibility with WordPress updates and plugins. Utilizing WordPress actions and filters allows for seamless integration and customization without modifying core files. 

// Example of adding a custom function to WordPress action hook
function custom_function() {
    // Your custom PHP functionality here
}
add_action('wp_head', 'custom_function');

Keywords

WordPress PHP integration customization advanced functionality

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