__phutil_library_init__.php
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	<?php

	define('__LIBPHUTIL__', true);

	$root = dirname(__FILE__);
	require_once $root.'/moduleutils/core.php';
	require_once $root.'/moduleutils/PhutilBootloader.php';
	require_once $root.'/moduleutils/PhutilBootloaderException.php';
	require_once $root.'/moduleutils/PhutilLibraryConflictException.php';

	function __phutil_autoload($class_name) {
	// Occurs in PHP 5.2 with `call_user_func(array($this, 'self::f'))`.
	if ($class_name === 'self' \|\| $class_name === 'parent') {
	return;
	}

	try {
	$loader = new PhutilSymbolLoader();
	$symbols = $loader
	->setType('class')
	->setName($class_name)
	->selectAndLoadSymbols();

	if (!$symbols) {
	throw new PhutilMissingSymbolException(
	$class_name,
	pht('class or interface'),
	pht(
	"the class or interface '%s' is not defined in the library ".
	"map for any loaded %s library.",
	$class_name,
	'phutil'));
	}
	} catch (PhutilMissingSymbolException $ex) {
	// If there are other SPL autoloaders installed, we need to give them a
	// chance to load the class. Throw the exception if we're the last
	// autoloader; if not, swallow it and let them take a shot.
	$autoloaders = spl_autoload_functions();
	$last = end($autoloaders);
	if ($last == __FUNCTION__) {
	throw $ex;
	}
	}
	}

	spl_autoload_register('__phutil_autoload', $throw = true);

	phutil_register_library('phutil', __FILE__);