<?php
session_start();
class Core
{
	public $Pagina = "";
	public $DirPagina = "";
	
	public $Estensione = "";
	
	public $Metodo = "";
	
	public $Admin = false;
	
	public $Parametri = array();
	
	public $Username = "admin";
	public $Password = "scarpone";
	
	public function __construct()
	{
		$this->DeterminaPagina();
		$this->DeterminaInclude();
	}
	private function DeterminaPagina()
	{
		$URL = $_SERVER['REQUEST_URI'];
		$URL = substr($URL, strlen(__BASEURL__));
		
		$D = strpos($URL, "?");
		
		if($D !== false)
			$URL = substr($URL, 0, strpos($URL, "?"));
		
		$this->Estensione = substr($URL, 1 + strrpos($URL, "."));
		$URL = substr($URL, 0, strrpos($URL, "."));
		
		$this->Parametri = explode("/", $URL);
		
		$this->Pagina = array_shift($this->Parametri);
		
		if($this->Pagina == "admin")
		{
			$this->Admin = true;
			$this->Pagina = array_shift($this->Parametri);
			
			if($this->Pagina == "")
			{
				$this->Pagina = "index";
			}
			
			$this->Metodo = array_shift($this->Parametri);
			
			if($this->Metodo == "")
			{
				$this->Metodo = "home";
			}
		}
		else
		{
			if($this->Pagina == "")
			{
				$this->Pagina = "index";
			}
			
			$this->Metodo = array_shift($this->Parametri);
			
			if($this->Metodo == "")
			{
				$this->Metodo = "home";
			}
		}
	}
	
	private function DeterminaInclude()
	{
		$this->DirPagina = __BASEDIR__ . "pagine" . __DS__;
		
		if($this->Admin)
		{
			$this->DirPagina .= "admin" . __DS__;
		}
		
		$this->DirPagina .= $this->Pagina;
		$this->DirPagina .= ".php";
	}
	
	public function pars($T)
	{
		$T = addslashes($T);
		$T = trim($T);
		$T = htmlspecialchars($T);
		
		return $T;
	}

	private function GDVersion()
	{
	  if( !in_array('gd', get_loaded_extensions()) ) return 0;
	  elseif( $this->isGD2supported() ) return 2;
	  else return 1;
	}
	
	private function isGD2supported()
	{
	  global $GD2;
	  if( isset($GD2) && $GD2 ) return $GD2;
	  else{
		$php_ver_arr = explode('.', phpversion());
		$php_ver = intval($php_ver_arr[0])*100+intval($php_ver_arr[1]);
	
		if( $php_ver < 402 ){ // PHP <= 4.1.x
		  $GD2 = in_array('imagegd2',get_extension_funcs("gd"));
		}
		elseif( $php_ver < 403 ){ // PHP = 4.2.x
		  $im = @imagecreatetruecolor(10, 10);
		  if( $im ){
			$GD2 = 1;
			@imagedestroy($im);
		  }
		  else $GD2 = 0;
		}
		else{ // PHP = 4.3.x
		  $GD2 = function_exists('imagecreatetruecolor');
		}
	  }
	
	  return $GD2;
	}
	
	public function OutThumb($dir, $img, $w, $h, $nome = '')
	{
	  $src = $dir . $img;
	  $size = getimagesize($src);
	#  echo $src;
	  $this->setMemoryForImage($src);
	  if( $size[2] == 2 ){$im = imagecreatefromjpeg($src) or die("prova");}
	  elseif( $size[2] == 1 ){$im = imagecreatefromgif($src) or die("prova");}
	  elseif( $size[2] == 3 ){$im = imagecreatefrompng($src) or die("prova");}
	  else return 1;
	  
	  $newwidth = $size[0];
	  $newheight = $size[1];
	
	  if( $newwidth > $w ){
		$newheight = ($w / $newwidth) * $newheight;
		$newwidth = $w;
	  }
	  if( $newheight > $h ){
		$newwidth = ($h / $newheight) * $newwidth;
		$newheight = $h;
	  }
	
	  if( ($this->GDVersion() == 2) AND ($size[2] != 1) ){
		$new = imagecreatetruecolor($newwidth, $newheight);
		imagecopyresampled($new, $im, 0, 0, 0, 0, $newwidth, $newheight, $size[0], $size[1]);
	  }
	  else{
		$new = imagecreate($newwidth, $newheight);
		imagecopyresized($new, $im, 0, 0, 0, 0, $newwidth, $newheight, $size[0], $size[1]);
	  }
	#  header('Content-Type: ' . $size['mime']);
	  
	  if($nome == '')
		$dest = $dir . $img;
	  else
		$dest = $dir . $nome;
	  
	  if( $size[2] == 2 ){@imagejpeg($new, $dest, 100);}
	  elseif( $size[2] == 1 ){@imagegif($new, $dest);}
	  elseif( $size[2] == 3 ){@imagepng($new, $dest);}
	  @imagedestroy($im);
	  @imagedestroy($new);
	  
	  chmod($dest, 0755);
	}
	
	private function setMemoryForImage( $filename )
	{
	   $imageInfo = getimagesize($filename);
	   $MB = 1048576;  // number of bytes in 1M
	   $K64 = 65536;    // number of bytes in 64K
	   $TWEAKFACTOR = 1.5;  // Or whatever works for you
	   $memoryNeeded = round( ( $imageInfo[0] * $imageInfo[1]
											   * $imageInfo['bits']
											   * $imageInfo['channels'] / 8
								 + $K64
							   ) * $TWEAKFACTOR
							 );
	   //ini_get('memory_limit') only works if compiled with "--enable-memory-limit" also
	   //Default memory limit is 8MB so well stick with that.
	   //To find out what yours is, view your php.ini file.
	   $memoryLimit = 8 * $MB;
	   if (function_exists('memory_get_usage') && memory_get_usage() + $memoryNeeded > $memoryLimit)
	   {
		   $newLimit = $memoryLimitMB + ceil( ( memory_get_usage() + $memoryNeeded - $memoryLimit ) / $MB );
		   ini_set( 'memory_limit', $newLimit + 3000000 . 'M' );
		   return true;
	   }
	   else
		   return false;
	}
	
	public function CreaSelect($Array, $Valore)
	{
		$Ret = "";
		
		foreach($Array as $A)
		{
			$Ret .= "<option value=\"$A[Nome]\"";
			if($A['Nome'] == $Valore)
				$Ret .= " selected";
			$Ret .= ">$A[Nome]</option>";
		}
		
		return $Ret;
	}
	
	public function htmlButTags($str) 
	{
        // Take all the html entities
        $caracteres = get_html_translation_table(HTML_ENTITIES);
        // Find out the "tags" entities
        $remover = get_html_translation_table(HTML_SPECIALCHARS);
        // Spit out the tags entities from the original table
        $caracteres = array_diff($caracteres, $remover);
        // Translate the string....
        $str = strtr($str, $caracteres);
        // And that's it!
        // oo now amps
        $str = preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&amp;" , $str);
       
        return $str;
    }
	
	public function CreaUrl()
	{
		$URL = $_SERVER['REQUEST_URI'];
		$URL = substr($URL, strlen(__BASEURL__));
		
		$D = strpos($URL, "?");
		
		if($D !== false)
			$URL = substr($URL, 0, strpos($URL, "?"));
		
		$this->Estensione = substr($URL, 1 + strrpos($URL, "."));
		$URL = substr($URL, 0, strrpos($URL, "."));
		
		$this->Parametri = explode("/", $URL);
		$metodo = $this->Core->Metodo;//ok
		$settore = $this->Parametri;
		$terza = $settore[2];
		$seconda = $settore[1];
		$prima = $settore[0];
		$terza = str_replace("%20", " ", $terza);
		$seconda = str_replace("%20", " ", $seconda);
		$prima = str_replace("%20", " ", $prima);
		if($terza == "")
		{
			echo __SITEURL__ . "" . $prima . "/" . $seconda . ".html";
		}
		if($terza != "")
		{
		echo __SITEURL__ . "" . $prima . "/" . $seconda . "/" . $terza . ".html";
		}

	}
	
	public static function BBCode($text)
	{
        $text = htmlentities($text, ENT_QUOTES);
        $text = str_replace(array("\r\n", "\r", "\n"), "<br />", $text);
		
		$text = preg_replace('|\[b\](.+?)\[\/b\]|i', '<span style="font-weight:bold;">$1</span>', $text);
        $text = preg_replace('|\[i\](.+?)\[\/i\]|i', '<span style="font-style:italic;">$1</span>', $text);
        $text = preg_replace('|\[u\](.+?)\[\/u\]|i', '<span style="text-decoration:underline;">$1</span>', $text);
        $text = preg_replace('|\[s\](.+?)\[\/s\]|i', '<span style="text-decoration:line-through;">$1</span>', $text);
        $text = preg_replace('|\[img\](.+?)\[\/img\]|i', '<img src="$1" alt="Immagine" />', $text);
        $text = preg_replace('|\[url\](.+?)\[\/url\]|i', '<a href="$1" target="_blank">$1</a>', $text);
        $text = preg_replace('|\[url=(.+?)\](.+?)\[\/url\]|i', '<a href="$1" target="_blank">$2</a>', $text);
        $text = preg_replace('|\[color=(.+?[^;])\](.+?)\[\/color\]|i', '<span style="color:$1;">$2</span>', $text);
        $text = preg_replace('|\[size=(.+?[^;])\](.+?)\[\/size\]|i', '<span style="font-size:$1px;">$2</span>', $text);
        $text = preg_replace('|\[left\](.+?)\[\/left\]|i', '<div style="text-align:left;">$1</div>', $text);
        $text = preg_replace('|\[right\](.+?)\[\/right\]|i', '<div style="text-align:right;">$1</div>', $text);
        $text = preg_replace('|\[center\](.+?)\[\/center\]|i', '<div style="text-align:center;">$1</div>', $text);
        $text = preg_replace('|\[justify\](.+?)\[\/justify\]|i', '<div style="text-align:justify;">$1</div>', $text);
        
		$text = str_replace("[quote]", "<fieldset><legend>Testo quotato:</legend>", $text);
		$text = str_replace("[/quote]", "</fieldset>", $text);
        $text = preg_replace('|\[quote=(.+?)\]|i', '<fieldset><legend>Testo quotato da $1:</legend>', $text);
		
        $text = str_replace("<br />", "<br />\n", $text);
		
        return $text;
	}
}

?>