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libphutil/src/__phutil_library_init__.php
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__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) {
$should_throw = true;
foreach (debug_backtrace() as $backtrace) {
if (empty($backtrace['function'])) {
continue;
}
switch ($backtrace['function']) {
case 'class_exists':
case 'interface_exists':
case 'method_exists':
case 'property_exists':
case 'trait_exists':
$should_throw = false;
break;
}
}
if (!$should_throw) {
return false;
}
// 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__);
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