/**
* @package AdRotator
* @version 1.1
* @author webserveis <www.webserveis.com>
* @date February 2012 - April 2012
* @license http://opensource.org/licenses/gpl-license.php GNU Public Licens
*/
 
/*ini_set('display_errors','On');
error_reporting(E_ALL ^ E_NOTICE);*/
 
/**
 * Clase para rotar banners o bien para listar banners de una seccion determinada
 *
 * @property array $Ads array de banners
 * @property string $Ad_default código por defecto si no hay banners a mostrar
 * @property string $StartBlock bloque de inicio, código html para iniciar la lista de banners
 * @property string $EndBlock bloque de final, código html para finalizar la lista de banners
 * @property string $BlockCode bloque de código html para cada banner $1 pasara ser el banner
 * @property bool $Random Si queremos mostrar banners aleatoriamente dependiendo de su quota
 */
 
 class WS_AdRotator {
 
	private $Ads = array();
	private $Ad_default = '';
	private $StartBlock = '<ul>';
	private $EndBlock = '</ul>';
	private $BlockCode = '<li>$1</li>';
	private $Random = false;
 
/**
 * Constructor del objecto TAdRotator.
 * @param string $code código html por defecto si no hay banner
 */
	function __construct($code='default banner') {
		$this->Ad_default = $code;
	}
 
/**
 * Setear una propiedad.
 * @param mixed $key nombre de la propiedad
 * @param mixed $value valor de la propiedad
 */	
	function __set($key,$value='') {
		$this->$key = $value;
	}
	function __get($key){
		return $this->$key;
	}
/**
 * Insertar Banner.
 * @param string $code código para el banner
 * @param int $quote quota del banner 25 = 25% 50 = 50%
 * @param string $section sección que pertanece el banner, por defecto es main
 */
	function setAd($code,$quote=25,$section='main') {
		$index = count($this->Ads);
		$this->Ads[$index]['section'] = $section;
		$this->Ads[$index]['code'] = $code;
		$this->Ads[$index]['quote'] = $quote;
		$this->Ads[$index]['section'] = $section;
	}
 
/**
 * Recuperar Banner, dependiendo de la quota de cada banner.
 * @param string $section filtrar por seccion
 * @return string código del banner
 */	
	function getAd($section='main') {
		$_ListAds = array();
		$i=0;
		foreach ($this->Ads as $Value) {
			if ($Value['section'] == $section) {
				$_ListAds[$i] = $Value;
				$i++;
			}
		}
		if ($_ListAds) {
			$TotalAds = count($_ListAds);
			$i=0;$j=0;$TotalQuotes=0;
			foreach ($_ListAds as $Value) {
				$Check[$i]['start'] = $j;
				$j = $j + $Value['quote'];
				$Check[$i]['end'] = $j-1;
				$Check[$i]['index'] = $i;
				$i++;
				$TotalQuotes += $Value['quote'];
			}	
 
			$Numero = rand(0,$TotalQuotes-1);
			foreach ($Check as $Value) {
				if (($Numero >= $Value['start']) && ($Numero <= $Value['end']))	$Id_Show = $Value['index'];
			}
			return $_ListAds[$Id_Show]['code'];
		} else return $this->Ad_default;
	}
 
/**
 * Recuperar lista de banners, se mostraran aleatoriamente si la propiedad Random es verdadera
 * @param string $section filtrar por seccion
 * @return string código html de la lista de banners
 * @ignore $1 substituido por el codigo
 */	
	function getAds($section='main') {
		$i=0;
		$_ListAds = array();
		foreach ($this->Ads as $Value) {
			if ($Value['section'] == $section) {
				$_ListAds[$i] = $Value;
				$i++;
			}
		}
		if ($this->Random) shuffle($_ListAds); //array aleatorio si propiedad random es true
		$total = count($_ListAds);
		$output = $this->StartBlock; //codigo html de inicio de bloque
		if ($total>0)
			for ($i=0;$i<$total;++$i) {
				$output .= str_replace('$1',$_ListAds[$i]['code'],$this->BlockCode); //remplazar $1 por el codigo del banner
			}
		else $output .= str_replace('$1',$_ListAds[$i]['code'],$this->Ad_default); //remplazar $1 por el codigo del banner por defecto
		$output .= $this->EndBlock; //codigo html de final de bloque
		return $output;
	}
 
}

$Ads = new WS_AdRotator('code for default banner');
$Ads->__set('Random',true);
$Ads->setAd('primero',25,'main');
$Ads->setAd('segundo',35,'main');
$Ads->setAd('tercero',45,'main');
echo $Ads->getAd('main');
echo $Ads->getAds('main');

class TBreadcrumb {
	private $breadcrumb = array();
	private $str_link = '<a href="$1">$2</a>';
 
	public function Set($key,$value) {
		$this->$key = $value;
	}
 
	public function Push($key,$value) {
		$i = count($this->breadcrumb);
		$this->breadcrumb[$i]['title'] = $key;
		$this->breadcrumb[$i]['link'] = $value;
	}
	public function Make($bracket=' » ') {
		$total = count($this->breadcrumb);
		$output = '';
		for ($i=0;$i<$total-1;$i++) {
				$swap = str_replace('$1',$this->breadcrumb[$i]['link'],$this->str_link);
				$swap = str_replace('$2',$this->breadcrumb[$i]['title'],$swap);
				if ($i>0) $output .= $bracket . $swap; else $output .= $swap;
		}
		$swap = $this->breadcrumb[$i]['title'];
		if ($i>0) $output .= $bracket . $swap; else $output .= $swap;
		return $output;
	}
}

$Breadcrumb = new TBreadcrumb();
 
$Breadcrumb->Push('Inicio','http://midominio.com');
$Breadcrumb->Push('Listado de articulos','http://midominio.com/articulos');
$Breadcrumb->Push('Televisores','http://midominio.com/articulos/teles');
 
echo $Breadcrumb->Make();

 if (function_exists('mysql_set_charset') === false) {
    function mysql_set_charset($charset, $link_identifier = null)
     {
         if ($link_identifier == null) {
             return mysql_query('SET NAMES "'.$charset.'"');
         } else {
             return mysql_query('SET NAMES "'.$charset.'"', $link_identifier);
         }
     }
 }

$link = mysql_connect('.....');
mysql_set_charset('UTF-8',$link);

function url2seo($string, $seperator='-') {
    $string = strtolower($string);
    $string = preg_replace("/[^a-z0-9_\s-]/", $seperator, $string);
    $string = preg_replace("/[\s]+/", " ", $string);
    $string = preg_replace("/[\s_]/", $seperator, $string);
    return $string;
}

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?q=$1 [L,QSA]
</IfModule>

$request = $_GET['q'];
$items = array();
$section_name= '';
if (isset($request)) {
	$_items = explode('/',$request);
	$section_name = $_items[0];
	unset($_items[0]);
	$swap = '';	$i =0;
	foreach ($_items as $row) {
		if (is_numeric($i)&($i&1)) $items[$swap] = $row;
		$swap = $row;
		++$i;
	}
	unset($_items);
}

if ($section_name = '') {
   include('main.php')
} elseif ($section_name = 'listado') {
  include('listado.php');
} elseif ($section_name = 'ficha') {
  include('ficha.php');
} else {
   header("HTTP/1.0 404 Not Found");
}

$modelo = $items['modelo'];
$fecha = $items['fecha'];

$items['page'] = 2;

$query_url = http_build_query($items, '','/');
$query_url = str_replace('=','/',$query_url);
$url = 'mipaginaweb.com/' . $query_url;

 function is_odd($num){
     return (is_numeric($num)&($num&1));
 }
 
 function is_even($num){
     return (is_numeric($num)&(!($num&1)));
 }

foreach(range(0,23) as $number) {
        print "$number " . is_odd($number) . '<br />';
}

foreach(range(0,23) as $number) {
        print "$number " . is_even($number) . '<br />';
}

function hide_email($email,$text='',$atrib='',$href='mailto:"+d+"') {
	$character_set = '+-.0123456789@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz';
	$key = str_shuffle($character_set); $cipher_text = ''; $id = 'e'.rand(1,999999999);
	for ($i=0;$i<strlen($email);$i+=1) $cipher_text.= $key[strpos($character_set,$email[$i])];
	$script = 'var a="'.$key.'";var b=a.split("").sort().join("");var c="'.$cipher_text.'";var d="";';
	$script.= 'for(var e=0;e<c.length;e++)d+=b.charAt(a.indexOf(c.charAt(e)));';
  if ($text != '') 
	$script .= 'document.getElementById("'.$id.'").innerHTML="<a$1href=\\"' . $href . '\\">' . $text . '</a>"';
  else $script .= 'document.getElementById("'.$id.'").innerHTML="<a href=\\"' . $href . '\\">"+d+"</a>"';
  $script = "eval(\"".str_replace(array("\\",'"'),array("\\\\",'\"'), $script)."\")"; 
  $script = '<script type="text/javascript">/*<![CDATA[*/'.$script.'/*]]>*/</script>';
  if ($atrib !='') $script = str_replace('$1', $atrib, $script); else $script = str_replace('$1', ' ', $script);
  return '<span id="'.$id.'">[javascript protected email address]</span>'.$script;
}

$NewsLetter = new SimpleNewsLetter('localhost','user','password','database');
$NewsLetter->createtable('Newsletter');
echo '<br />';
if ($NewsLetter->addemail('prova@hotmail.com')) echo 'Insert'; else echo 'alredy exist';
echo '<br />';
if ($NewsLetter->delEmail('prova@hotmail.com')) echo 'email eliminado'; else echo 'no se ha encotrado email';
if ($NewsLetter->addemail('prova@hotmail.com')) echo 'Insert'; else echo 'alredy exist';
if ($NewsLetter->addemail('prova@hotmail.com')) echo 'Insert'; else echo 'alredy exist';
if ($NewsLetter->addemail('prova2@hotmail.com')) echo 'Insert'; else echo 'alredy exist';
echo '<br />'.$NewsLetter->listemails();

/*
*  Descripción del codigo
*
* PHP version 5.0
*
* Licencia
*
*@ Category CategoryName
*@author autor original
* @copyright 2012 empresa
*@license http://www.liciensia.com
*@version
*@link http://www.webserveis.com
*@usage
*/

/*
* Descripción del comentario
* Segunda linia del comentario
* Tercera linia del comentario
*/

/*
Descripción de la función
@param string $url    url of the requested script
@param array $data    hash array of request variables
@return returns a hash array with response content and headers in the following form:
array (&amp;amp;#039;content&amp;amp;#039;=>&amp;amp;#039;<html></html>&amp;amp;#039;
, &amp;amp;#039;headers&amp;amp;#039;=>array (&amp;amp;#039;HTTP/1.1 200 OK&amp;amp;#039;, &amp;amp;#039;Connection: close&amp;amp;#039;, ...)
)
*/