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php

--TEST--
method_exists() on userspace classes; static & non-static methods with various visibilities.
--FILE--
<?php
/* Prototype  : proto bool is_subclass_of(object object, string class_name)
 * Description: Returns true if the object has this class as one of its parents 
 * Source code: Zend/zend_builtin_functions.c
 * Alias to functions: 
 */

Class B {
	public function inherit_pub() {}
	protected function inherit_prot() {}
	private function inherit_priv() {}
	static public function inherit_static_pub() {}
	static protected function inherit_static_prot() {}
	static private function inherit_static_priv() {}	
}

Class C extends B {
	public function pub() {}
	protected function prot() {}
	private function priv() {}
	static public function static_pub() {}
	static protected function static_prot() {}
	static private function static_priv() {}
}


$methods = array(
	'inherit_pub', 'inherit_prot', 'inherit_priv',
	'inherit_static_pub', 'inherit_static_prot', 'inherit_static_priv',
	'pub', 'prot', 'priv',
	'static_pub', 'static_prot', 'static_priv',
	'non_existent');

echo "\n ---(Using string class name)---\n";
foreach ($methods as $method) {
  echo "Does C::$method exist? ";
  var_dump(method_exists("C", $method));
}

echo "\n ---(Using object)---\n";
$myC = new C;
foreach ($methods as $method) {
  echo "Does C::$method exist? ";
  var_dump(method_exists($myC, $method));
}

echo "Done";
?>
--EXPECTF--

 ---(Using string class name)---
Does C::inherit_pub exist? bool(true)
Does C::inherit_prot exist? bool(true)
Does C::inherit_priv exist? bool(true)
Does C::inherit_static_pub exist? bool(true)
Does C::inherit_static_prot exist? bool(true)
Does C::inherit_static_priv exist? bool(true)
Does C::pub exist? bool(true)
Does C::prot exist? bool(true)
Does C::priv exist? bool(true)
Does C::static_pub exist? bool(true)
Does C::static_prot exist? bool(true)
Does C::static_priv exist? bool(true)
Does C::non_existent exist? bool(false)

 ---(Using object)---
Does C::inherit_pub exist? bool(true)
Does C::inherit_prot exist? bool(true)
Does C::inherit_priv exist? bool(true)
Does C::inherit_static_pub exist? bool(true)
Does C::inherit_static_prot exist? bool(true)
Does C::inherit_static_priv exist? bool(true)
Does C::pub exist? bool(true)
Does C::prot exist? bool(true)
Does C::priv exist? bool(true)
Does C::static_pub exist? bool(true)
Does C::static_prot exist? bool(true)
Does C::static_priv exist? bool(true)
Does C::non_existent exist? bool(false)
Done