Upload .jpg, .gif, .png, bmp, .swf, .psd to a folder on your local file system
By : Matt
<?php /*########################################################################### # Image Upload class- Upload .jpg, .gif, .png, bmp, .swf, .psd # to a folder on your local file system ############################################################################# # written by - George Mclachlan # e-mail - george@experimentalmonkey.co.uk # website - http://www.experimentalmonkey.co.uk # Any suggestions or bugs then please e-mail me ############################################################################# # Feel free to alter/modify the code in anyway, but please # leave this notice intact ############################################################################# # # Example Usage:- # Save this file as "UploadFile.class.php" # # Create a new PHP file and call it upload.php it should look like # ================================================================ # <?php # # require_once("UploadFile.class.php"); # //Delete the comments below or you will get parse errors # # $up = new UploadImage($nameofimagefield, <-name of your file field with $ # 102400, <-max file size in bytes # 100, <-max file height # 700, <-max file width # "banner", <-name of your file field # "c:/php/uploads", <-path to upload directory # $rename_file=true); <- default is true set to false # if you don't want the file renamed # # # if ($submit) { # if($up->ValidateUpload()) { # $up->CopyFile(); # } # } # $up->PrintForm(102400); <-max file size for html form same as above # ?> #############################################################################
*/
/*============================================== Random name function needed to provide a name for any files that are renamed =================================================*/
/*================================================ Validate the form- This method will validate the form and print out an error message if needed =================================================*/
function ValidateUpload() {
/*======================================== Get the size in kb of the file and prints an error is it exceed max_file_size ==========================================*/
if ($this->max_file_size < filesize($this->image)) {
print("<span style=\"color:red;\">ERROR: Your File: " .$_FILES[$this->field_name]["name"]." is ".filesize($this->image). " KB, the max file size allowed is " .$this->max_file_size."</span>");
return false;
}
/*=============================================== gets the width of the file and prints an error if file width is greater than max_file_width =================================================*/
$this->imagesize=getimagesize($this->image);
if ($this->max_file_width < $this->imagesize[0]) {
print("<span style=\"color:red;\">ERROR:<br />Your File: " .$_FILES[$this->field_name]["name"]." is ".$this->imagesize[0]. " pixels wide, the max file width allowed is " .$this->max_file_width."</span>");
return false;
}
/*=============================================== gets the height of the file and prints an error if file height is greater than max_file_width =================================================*/
if ($this->max_file_height < $this->imagesize[1]) {
print("<span style=\"color:red;\">ERROR:<br />Your File: " .$_FILES[$this->field_name]["name"]." is ".$this->imagesize[1]. " pixels high, the max file height allowed is " .$this->max_file_height."<span>");
return false;
}
/*=============================================== gets the filetype and checks it against allow types and returns an error if not in array =================================================*/
if (!in_array($this->imagesize[2], $this->allowed)) {
print("<span style=\"color:red;\">ERROR:<br />Your File: " .$_FILES[$this->field_name]["name"]." is not included in the list of allowed filetype</span>" );
return false;
}
/*================================== COOL:- no errors so lets get the file ====================================*/
return true; }
/*============================================ This mehod will print the form out on our page ==============================================*/
/*============================================= This method will copy our file to the folder of your choice and rename it if selected rename it ================================================*/
function CopyFile() { if($this->rename_file) {
/*==================================== this will find out our file extension which we need for renaming it. ========================================*/
global $name, $ext;
switch($_FILES[$this->field_name]["type"]) {
case 'image/gif'; $ext="gif"; break;
case 'image/jpeg'; $ext="jpg"; break;
case 'image/pjpeg'; $ext="jpg"; break;
case 'image/png'; $ext="png"; break;
case 'application/x-shockwave-flash'; $ext="swf"; break;
case 'image/psd'; $ext="psd"; break;
case 'image/bmp'; $ext="bmp"; break; }
/*======================================================== Let's rename our file and then copy it to the directory =========================================================*/
print("<b>There has been an error while uploading Filename:".$_FILES[$this->field_name]["name"] ." </b>");
} else {
print("Filename: ".$_FILES[$this->field_name]["name"] ." has been uploaded");
}
} else {
/*=================================================== if you don't want the file renamed then this will run let's make sure the file doesn't exist already and if it does let's return an error =====================================================*/
print("There has been an error uploading".$_FILES[$this->field_name]["name"]."please try adain");
} else {
print("Filename:".$_FILES[$this->field_name]["name"]." has been uploaded");
} } else {
print("ERROR: A file by this name already exists");
}
}
}
}
?>
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