global_function.php

<?php
	define('DEBUG', false);
	
	if (DEBUG) {
		error_reporting(E_ALL ^ E_NOTICE);
	} else {
		error_reporting(0);
	}
	// ob_start();	// Start buffering
	define('DB_HOST', 'localhost');
	define('DB_USER', 'dbuser');
	define('DB_PASS', 'dbpass');
	define('DB_NAME', 'dbname');
	
	$conn = mysql_pconnect(DB_HOST, DB_USER, DB_PASS);
	mysql_select_db(DB_NAME, $conn);
	mysql_query("SET NAMES 'utf8'");
	
	function ipv4_to_int($ip) {
		if (preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\$/", $ip) !== false) {
			$ip = array_map(intval, explode(".", $ip));
			return ($ip[0] << 24) | ($ip[1] << 16) | ($ip[2] << 8) | $ip[3];
		} else {
			return -1;
		}
	}
	
	function ip_filter($ip, $loc, $mask = 32) {
	    if ($mask < 0 || $mask > 32)
	        return false;
		list($ip, $loc) = array_map(ipv4_to_int, array($ip, $loc));
		$mask = (-1) >> (32 - $mask) << (32 - $mask);
		return ($ip & $mask) == ($loc & $mask);
	}
	
	function detect_ip($lock_in, $mask = 32) {
		$ip = $_SERVER['REMOTE_ADDR'];
		return ip_filter($ip, $lock_in, $mask);
	}
	
	function recursive_map(&$var, $func) {
		foreach ($var as $k => $v) {
			if (gettype($v) == "array") {
				$var[$k] = recursive_map($v, $func);
			} else {
				$var[$k] = $func($v);
			}
		}
		return $var;
	}
	
	if (get_magic_quotes_gpc()) recursive_map($_POST, stripslashes);
	recursive_map($_POST, mysql_real_escape_string);
	recursive_map($_GET, mysql_real_escape_string);
?>