<?php

/**
 * Print an error message and end page
 */
function fail($text)
{
	trigger_error($text, E_USER_ERROR);
	it::fatal($text);
}

/**
 * Global shortcut for $it_debug::debug()
 * @see it_debug
 */
function debug($text, $level=0)
{
	if (isset($GLOBALS['it_debug']))
		$GLOBALS['it_debug']->debug($text, $level);
}

/**
 * Convert a htmlentities-encoded string back to normal
 */
function it_htmlentities_decode($string)
{
	return strtr($string, array_flip(get_html_translation_table(HTML_ENTITIES)));
}

/**
 * Clone an object and return copy, works for all PHP versions
 */
function &it_clone(&$object)
{
	$result = (is_object($object) && version_compare(zend_version(), 2, '>=')) ? clone($object) : $object;
	return $result;	# PHP internals need a tmp var to return by ref
}

/**
 * Return string containing names and values of all arguments
 */
function D()
{
	$args = func_get_args();
	return it_debug::dump($args);
}

/**
 * Echo string containing names and values of all arguments
 */
function ED()
{
	$args = func_get_args();
	echo it_debug::dump($args);
	return $args[0];
}

/**
 * Same as ED(), but first argument is string that must be in $_REQUEST['debug']
 */
function EDC()
{
	$args = func_get_args();
	$var = array_shift($args);
	$GLOBALS['ULTRADEBUGVARS'][$var] = 1;

	if (($result = $GLOBALS["debug_$var"]) && $args)
		echo it_debug::dump($args);

	if (!$result || $result === true)       # Compatibility with old map relying on 0|1
		$result = intval($result);

	return $result;
}

/**
 * Echo string containing names and values of all arguments, then exit
 */
function EDX()
{
	$args = func_get_args();
	exit(it_debug::dump($args));
}

/**
 * Shortcut to $it_text->Text()
 */
function T($label, $raw = null, $language = null)
{
	it_text::init();
	return $GLOBALS['it_text']->text($label, $raw, $language);
}


/**
 * Shortcut to $it_text->etext()
 */
function ET($label, $values = null, $language = null)
{
	it_text::init();
	return $GLOBALS['it_text']->etext($label, $values, $language);
}

/**
 * Return "db4" or "db2" depending on availability
 */
function db_version()
{
	return in_array("db4", dba_handlers()) ? "db4" : "db2";
}

/**
 * Shortcut to $it_text->get_language()
 */
function T_lang()
{
	it_text::init();
	return isset($GLOBALS['it_text']) ? $GLOBALS['it_text']->get_language() : "de";
}

/**
 * Shortcut to $it_text->get_language()
 */
function T_set_language($language, $setcookie = true)
{
	it_text::init();
	return $GLOBALS['it_text']->set_language($language, $setcookie);
}

/**
 * Shortcut to $it_text->text_exists()
 */
function T_exists($label, $language = null)
{
	it_text::init();
	return $GLOBALS['it_text']->text_exists($label, $language);
}

?>