Automated ACF Blocks Registration: This script auto-registers ACF blocks from a specific WordPress directory.

functions.php

/**
 * This function is used to register Advanced Custom Fields (ACF) blocks 
 * from a specific directory. This can be useful when you have a lot of 
 * ACF blocks and want to keep your codebase clean and organized.
 *
 * This script assumes that each ACF block's code resides in its own folder under the 
 * /template-parts/blocks/ directory relative to where the script is located (__DIR__).
 */

function register_acf_blocks() {
    // Define the directory path for the ACF blocks. 
    // __DIR__ is a magic constant in PHP that returns the path of the script that's being executed.
    $dir = __DIR__ . '/template-parts/blocks/';
    
    // scandir() returns an indexed array of files and directories from the directory.
    // array_diff() is used to exclude the current (.) and parent directory (..) from the array.
    $folders = array_diff(scandir($dir), array('..', '.'));
    
    // Loop through the directories (ACF blocks)
    foreach ($folders as $folder) {
        // Check if the item is a directory and not a file using is_dir()
        if (is_dir($dir . $folder)) {
            // Register each ACF block to WordPress using register_block_type()
            register_block_type($dir . $folder);
        }
    }
}
add_action('init', 'register_acf_blocks', 5);