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php

--TEST--
method_exists() on internal classes
--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: 
 */

echo " ---(Internal classes, using string class name)---\n";
echo "Does exception::getmessage exist? ";
var_dump(method_exists("exception", "getmessage"));
echo "Does stdclass::nonexistent exist? ";
var_dump(method_exists("stdclass", "nonexistent"));

echo "\n ---(Internal classes, using class instance)---\n";
echo "Does exception::getmessage exist? ";
var_dump(method_exists(new exception, "getmessage"));
echo "Does stdclass::nonexistent exist? ";
var_dump(method_exists(new stdclass, "nonexistent"));

echo "Done";
?>
--EXPECTF--
 ---(Internal classes, using string class name)---
Does exception::getmessage exist? bool(true)
Does stdclass::nonexistent exist? bool(false)

 ---(Internal classes, using class instance)---
Does exception::getmessage exist? bool(true)
Does stdclass::nonexistent exist? bool(false)
Done