<?php
//
// Helper functions
//

function utf8_urldecode($str) {
	$str = preg_replace("/%u([0-9a-f]{3,4})/i","&#x\\1;",urldecode($str));
	return html_entity_decode($str,null,'UTF-8');;
}

function parse_ini_file_multi($file, $process_sections = false, $scanner_mode = INI_SCANNER_NORMAL) {
	$explode_str = '.';
	$escape_char = "'";
	// load ini file the normal way
	$data = parse_ini_file($file, $process_sections, $scanner_mode);
	if (!$process_sections) {
		$data = array($data);
	}
	foreach ($data as $section_key => $section) {
		// loop inside the section
		foreach ($section as $key => $value) {
			if (strpos($key, $explode_str)) {
				if (substr($key, 0, 1) !== $escape_char) {
					// key has a dot. Explode on it, then parse each subkeys
					// and set value at the right place thanks to references
					$sub_keys = explode($explode_str, $key);
					$subs =& $data[$section_key];
					foreach ($sub_keys as $sub_key) {
						if (!isset($subs[$sub_key])) {
							$subs[$sub_key] = [];
						}
						$subs =& $subs[$sub_key];
					}
					// set the value at the right place
					$subs = $value;
					// unset the dotted key, we don't need it anymore
					unset($data[$section_key][$key]);
				}
				// we have escaped the key, so we keep dots as they are
				else {
					$new_key = trim($key, $escape_char);
					$data[$section_key][$new_key] = $value;
					unset($data[$section_key][$key]);
				}
			}
		}
	}
	if (!$process_sections) {
		$data = $data[0];
	}
	return $data;
}

function log_debug($message) {
	global $logger;
	$logger->log('LOG_DEBUG', $message);
}

function log_error($message) {
	global $logger;
	$logger->log('LOG_ERROR', $message);
}

function log_error_and_throw($message) {
	log_error($message);
	throw new Exception($message);
}
?>