What are some best practices for integrating JavaScript functions with PHP code in a CMS like CMS Made Simple?

When integrating JavaScript functions with PHP code in a CMS like CMS Made Simple, it is important to properly enqueue scripts using the CMS's built-in functions to ensure they are loaded in the correct order. Additionally, utilizing AJAX to communicate between the JavaScript functions and PHP code can help improve performance and user experience. Lastly, sanitizing and validating user input on the PHP side is crucial to prevent security vulnerabilities. 

// Enqueue JavaScript file in CMS Made Simple
function enqueue_custom_script() {
    $js_file = 'path/to/custom.js';
    $js_path = $GLOBALS['config']['root_path'] . $js_file;
    $js_url = $GLOBALS['config']['root_url'] . $js_file;
    
    $js_ver = filemtime($js_path);
    $js_handle = 'custom-script';
    
    $GLOBALS['page']->add_header('<script src="' . $js_url . '?ver=' . $js_ver . '"></script>');
}

add_event_handler('FrontendOutputPrep', 'enqueue_custom_script');

// AJAX handler in PHP
function custom_ajax_handler() {
    // Your PHP code here
    
    die();
}

add_ajax_handler('custom_ajax_action', 'custom_ajax_handler');

Keywords

JavaScript PHP CMS Made Simple integration functions

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