<?php
/**
 * SIMPLE ACTION: Echo
 * -------------------------
 * Demonstrates how to register and implement a simple echo action.
 *
 * Call format:
 *   @echo HelloWorld
 *
 * Expected output:
 *   "HelloWorld"
 */

// 1. Register the action with expected argument types
registerAction(
    (new Action())
        ->setFunctionName("echo_text")
        ->setArgumentsTypes(["input"])  // one argument
);

/**
 * 2. Implement the function
 *
 * @param string $input
 * @return string
 */
function echo_text(string $input): string {
    return $input;
}