PHP upload Image class and usage example

This article describes the PHP upload image class and usage. Share to everyone for your reference, as follows:

1. class file name is: upclass.php

<?phpclass upclass{public $previewsize = 0.125;  Preview Picture scale public $preview = 0;  Whether to generate a preview, is 1, no 0 public $datetime;  Random number public $ph _name;  Upload picture file name public $ph _tmp_name;  Picture temporary file name public $ph _path= "./userimg/";  Upload file storage path public $ph _type;  Picture type public $ph _size;  Picture size public $imgsize; Upload image size for judging the display scale public $al _ph_type=array (' image/jpg ', ' image/jpeg ', ' image/png ', ' image/pjpeg ', ' image/gif ', ' image  /bmp ', ' image/x-png ');  Allow uploading of picture types public $al _ph_size=1000000; Allow upload of file size function __construct () {$this->set_datatime ();} function Set_datatime () {$this->datetime=date (" Ymdhis "); }//Get file type function Get_ph_type ($phtype) {$this->ph_type= $phtype;}//Get file Size function get_ph_size ($phsize) {$this- >ph_size= $phsize. "
"; }  Get upload Temporary file name function get_ph_tmpname ($tmp _name) {$this->ph_tmp_name= $tmp _name; $this->imgsize=getimagesize ($tmp _name); }//Get the original file name function Get_ph_name ($phname) {$this->ph_name= $this->ph_path. $this->datetime.strrchr ($phname, " ."); STRRCHR gets the location of the last occurrence of the point of the file//$this->ph_name= $this->datetime.strrchr ($phname, "."); STRRCHR gets the point where the file last occurred return $this->ph_name;  }//determine the upload file storage directory function Check_path () {if (!file_exists ($this->ph_path)) {mkdir ($this->ph_path); }}//Determine if the upload file exceeds the allowable size function check_size () {if ($this->ph_size> $this->al_ph_size) {$this->showerror ("  Upload images over 2000KB "); }}//Determine file type function Check_type () {if (!in_array ($this->ph_type, $this->al_ph_type)) {$this->showerror ("Upload picture  Type error "); }}//Upload picture function Up_photo () {if (!move_uploaded_file ($this->ph_tmp_name, $this->ph_name)) {$this-  ShowError ("Error uploading file"); }}//Picture preview function Showphoto () {if ($this->preview==1) {if ($this->imgsize[0]>2000) {$this->imgsize[0]= $this->imgsize[0]* $this->previewsize;   $this->imgsize[1]= $this->imgsize[1]* $this->previewsize;   } Echo ("Ph_name}\" width=\ "{$this->imgsize[' 0 ']}\" height=\ "{$this->imgsize[' 1 ']}\" > ");  }}//Error function ShowError ($ERRORSTR) {echo ""; Exit ();  } function Save () {$this->check_path ();  $this->check_size ();  $this->check_type ();  $this->up_photo (); $this->showphoto (); }}?>

2.html page:

3. The file name of the calling class is: upphoto.php

<?phpheader ("content-type:text/html; Charset=utf-8 "); Class instantiation: Include ("upclass.php");//The file name of the class is Upoop.php$up=new upclass (); $submit =$_post[' Submit '];if ($submit = = "Upload") {$ Up->get_ph_tmpname ($_files[' photo ' [' tmp_name ']), $up->get_ph_type ($_files[' photo ' [' type ']); $up->get_ Ph_size ($_files[' photo ' [' size ']), $up->get_ph_name ($_files[' photo ' [' name ']); $up->save (); ><?php$images= $up->get_ph_name ($_files[' photo ' [' name ']); echo "";? >

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