Subir imagen

[shure]

Holas:

Ncesito que saber si alguien tiene un codigo php para subir una imagene y cambiarle el temaño

Espero que alguien me ayude estoy muy complicado con esto.

Gracias.

[xcorpion]

en esta pagina te dicen como subir los archivos: http://www.maestrosdelweb.com/editorial/upphp/

y con esta clase puedes cambiarle el tamaño a la imagen:

Código PHP:

  <? 
############################################## 
# Shiege Iseng Resize Class 
# 11 March 2003 
# [email][email protected][/email] 
# [url]http://kentung.f2o.org/scripts/thumbnail/[/url] 
################ 
# Thanks to : 
# Dian Suryandari <[email protected]> 
class thumbnail 
{ 
    var $img; 
 
    function thumbnail($imgfile) 
    { 
        //detect image format 
        $this->img["format"]=ereg_replace(".*\.(.*)$","\\1",$imgfile); 
        $this->img["format"]=strtoupper($this->img["format"]); 
        if ($this->img["format"]=="JPG" || $this->img["format"]=="JPEG") { 
            //JPEG 
            $this->img["format"]="JPEG"; 
            $this->img["src"] = ImageCreateFromJPEG ($imgfile); 
        } elseif ($this->img["format"]=="PNG") { 
            //PNG 
            $this->img["format"]="PNG"; 
            $this->img["src"] = ImageCreateFromPNG ($imgfile); 
        } elseif ($this->img["format"]=="GIF") { 
            //GIF 
            $this->img["format"]="GIF"; 
            $this->img["src"] = ImageCreateFromGIF ($imgfile); 
        } elseif ($this->img["format"]=="WBMP") { 
            //WBMP 
            $this->img["format"]="WBMP"; 
            $this->img["src"] = ImageCreateFromWBMP ($imgfile); 
        } else { 
            //DEFAULT 
            echo "Not Supported File"; 
            exit(); 
        } 
        @$this->img["lebar"] = imagesx($this->img["src"]); 
        @$this->img["tinggi"] = imagesy($this->img["src"]); 
        //default quality jpeg 
        $this->img["quality"]=75; 
    } 
 
    function size_height($size=100) 
    { 
        //height 
        $this->img["tinggi_thumb"]=$size; 
        @$this->img["lebar_thumb"] = ($this->img["tinggi_thumb"]/$this->img["tinggi"])*$this->img["lebar"]; 
    } 
 
    function size_width($size=100) 
    { 
        //width 
        $this->img["lebar_thumb"]=$size; 
        @$this->img["tinggi_thumb"] = ($this->img["lebar_thumb"]/$this->img["lebar"])*$this->img["tinggi"]; 
    } 
 
    function size_auto($size=75) 
    { 
        //size 
        if ($this->img["lebar"]>=$this->img["tinggi"]) { 
            $this->img["lebar_thumb"]=$size; 
            @$this->img["tinggi_thumb"] = ($this->img["lebar_thumb"]/$this->img["lebar"])*$this->img["tinggi"]; 
        } else { 
            $this->img["tinggi_thumb"]=$size; 
            @$this->img["lebar_thumb"] = ($this->img["tinggi_thumb"]/$this->img["tinggi"])*$this->img["lebar"]; 
         } 
    } 
 
    function jpeg_quality($quality=75) 
    { 
        //jpeg quality 
        $this->img["quality"]=$quality; 
    } 
 
    function show() 
    { 
        //show thumb 
        @Header("Content-Type: image/".$this->img["format"]); 
 
        /* change ImageCreateTrueColor to ImageCreate if your GD not supported ImageCreateTrueColor function*/ 
        $this->img["des"] = ImageCreateTrueColor($this->img["lebar_thumb"],$this->img["tinggi_thumb"]); 
            @imagecopyresized ($this->img["des"], $this->img["src"], 0, 0, 0, 0, $this->img["lebar_thumb"], $this->img["tinggi_thumb"], $this->img["lebar"], $this->img["tinggi"]); 
 
        if ($this->img["format"]=="JPG" || $this->img["format"]=="JPEG") { 
            //JPEG 
            imageJPEG($this->img["des"],"",$this->img["quality"]); 
        } elseif ($this->img["format"]=="PNG") { 
            //PNG 
            imagePNG($this->img["des"]); 
        } elseif ($this->img["format"]=="GIF") { 
            //GIF 
            imageGIF($this->img["des"]); 
        } elseif ($this->img["format"]=="WBMP") { 
            //WBMP 
            imageWBMP($this->img["des"]); 
        } 
    } 
 
    function save($save="") 
    { 
        //save thumb 
        if (empty($save)) $save=strtolower("./thumb". $imgfile . $this->img["format"]); 
        /* change ImageCreateTrueColor to ImageCreate if your GD not supported ImageCreateTrueColor function*/ 
        $this->img["des"] = ImageCreateTrueColor($this->img["lebar_thumb"],$this->img["tinggi_thumb"]); 
            @imagecopyresized ($this->img["des"], $this->img["src"], 0, 0, 0, 0, $this->img["lebar_thumb"], $this->img["tinggi_thumb"], $this->img["lebar"], $this->img["tinggi"]); 
 
        if ($this->img["format"]=="JPG" || $this->img["format"]=="JPEG") { 
            //JPEG 
            imageJPEG($this->img["des"],"$save",$this->img["quality"]); 
        } elseif ($this->img["format"]=="PNG") { 
            //PNG 
            imagePNG($this->img["des"],"$save"); 
        } elseif ($this->img["format"]=="GIF") { 
            //GIF 
            imageGIF($this->img["des"],"$save"); 
        } elseif ($this->img["format"]=="WBMP") { 
            //WBMP 
            imageWBMP($this->img["des"],"$save"); 
        } 
    } 
} 
 ?>