PHP Image upload Class (added thumbnail), _php tutorial

PHP Image upload Class (added thumbnail),

have thumbnail function but feel not comprehensive, and a little problem, continue to study, future changes under

 Filename= $filename;        $this->fileinfo=$_files[$this->filename];        $this->filemax= $filemax;        $this->filepath= $filepath;        $this->fileflag= $fileflag;        $this->fileext= $fileExt;        $this->filemine= $fileMine;    Var_dump ($this->filename); }//Error judgment Public Function Uperror () {if ($this->fileinfo[' ERROR ']>0) {switch ($this-&gt (fileinfo[' ERROR ']) {Case 1: $this->fileerror= "Upload file size exceeds the maximum allowed uploads by the server                        Value, set the value of the Upload_max_filesize option limit in php.ini ";                    Break                        Case 2: $this->fileerror= "The upload file size exceeds the value specified by the Hidden fields max_file_size option in the HTML form";                    Break                        Case 3: $this->fileerror= "file part was uploaded";                    Break                        Case 4: $this->fileerror= "no option to upload files";                    Break Case 5: $this->fileerror= "No temporary directory found";                    Break                        Case 6: $this->fileerror= "file write Failed";                    Break                        Case 7: $this->fileerror= "php file upload extension not open";                    Break                        Case 8: $this->fileerror= "";                Break            } return false;    } return true;            }//Detect file Type Public Function Upmine () {if (!in_array ($this->fileinfo[' type '], $this->filemine)) {            $this->error= "File upload type is not correct";        return false;    } return true;        }//Detect file Format Public Function Upext () {$this->ext=pathinfo ($this->fileinfo[' name '],pathinfo_extension);        Var_dump ($ext);            if (!in_array ($this->ext, $this->fileext)) {$this->fileerror= "file format is incorrect";        return false; } RetuRN true; }//Detect file path Public function Uppath () {if (!file_exists ($this->filepath)) {mkdir ($this->filepat        H,0777,true);        }}//Detect file Size public function upsize () {$max = $this->fileinfo[' size ');            if ($max > $this->filemax) {$this->fileerror= "file is too large";        return false;    } return true; }//Detect if the file is HTTP Public function Uppost () {if (!is_uploaded_file ($this->fileinfo[' Tmp_name ')) {$t            his->fileerror= "ill-paid";        return false;    } return true;    }//File name prevents duplicate public function upname () {return MD5 (Uniqid (Microtime (True), true));        }//Picture thumbnail public function smallimg ($x =100, $y =100) {$imgAtt =getimagesize ($this->path);        Image width, height, type $imgWidth = $imgAtt [0];        $imgHeight = $imgAtt [1];        $imgext = $imgAtt [2];        Scaling if (($x/$imgWidth) > ($y/$imgHeight)) {$BL = $y/$imgHeight;           }else{ $BL = $x/$imgWidth;  } $x =floor ($imgWidth * $bl);        After zooming $y =floor ($imgHeight * $bl);        $images =imagecreatetruecolor ($x, $y);        $big =imagecreatefromjpeg ($this->path);        Imagecopyresized ($images, $big, 0,0,0,0, $x, $y, $imgWidth, $imgWidth);                Switch ($imgext) {Case 1: $imageout =imagecreatefromgif ($this->path);            Break                Case 2: $imageout =imagecreatefromjpeg ($this->path);            Break                Case 3: $imageout =imagecreatefromgif ($this->path);        Break    } $im =imagejpeg ($images, $this->path); }//File dual public Function uploads () {if ($this->uperror () && $this->upmine () && $this-&gt ;            Upext () && $this->upsize () && $this->uppost ()) {$this->uppath ();            $names = $this->upname (); $this->path= $this->filepath. ' /'. $names. '.            $this->ext;if (Move_uploaded_file ($this->fileinfo[' tmp_name '), $this->path) {return $this->path;            }else{$this->fileerror= "upload failed"; }}else{Exit ("". $this->fileerror.""); }}}?>

　　

 
  Uploads ();  $c = $u->smallimg (); echo ""; echo ";? >

　　

 
  
 
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