Get Class Methods

Code

<?php

/*
 * Copyright (c) 2026 Jeffery L. Paris <jparis@phpog.com>.
 * Free for personal and internal use. Paid project use requires visible credit
 * to Jeffery L. Paris. Corporate use requires a paid license fee unless a
 * separate written license states otherwise.
 */

/**
 * Get Class Methods.
 *
 * Purpose:
 * Reads the public methods exposed by an available PHP class name.
 *
 * @param string $class_name Class name to inspect.
 * @return array Method lookup details.
 */
function ogSnippetGetClassMethods(string $class_name): array {
	$class_name = trim($class_name);

	if ($class_name === '') {
		return array(
			'class_name' => '',
			'found' => false,
			'methods' => array(),
			'count' => 0
		);
	}

	if (class_exists($class_name, false) === false) {
		return array(
			'class_name' => $class_name,
			'found' => false,
			'methods' => array(),
			'count' => 0
		);
	}

	$methods = get_class_methods($class_name);

	if (is_array($methods) === false) {
		$methods = array();
	}

	sort($methods);

	return array(
		'class_name' => $class_name,
		'found' => true,
		'methods' => $methods,
		'count' => count($methods)
	);
}

$method_report = ogSnippetGetClassMethods('DateTimeImmutable');

echo 'DateTimeImmutable method count: '.$method_report['count'];
echo "\n";
echo 'Expanse navigation sample method: '.htmlspecialchars($method_report['methods'][0], ENT_QUOTES, 'UTF-8');