Here is an image uploader with re-sizing methods
<?php
/**
* @file ImageUploader.php
* @author Abhishek Kumar
**/
$tempFile = $_FILES['Filedata']['tmp_name'];
$fileName = $_FILES['Filedata']['name'];
$fileSize = $_FILES['Filedata']['size'];
$timestamp = date("YmdHis");
$new_fileName = "IMG".$timestamp.strtolower(getFileExtension($fileName));
move_uploaded_file($tempFile, "warehouse/" . $new_fileName);
echo $new_fileName;
function getFileExtension($iFile)
{
$iExtension = strrpos($iFile, ".");
$oExtension = substr($iFile, $iExtension, strlen($iFile));
$oString = strtolower($oExtension);
return $oString;
}
function imageResizer($image)
{
//$image = "Database/Foto/IMG_001.jpg"; // Name of the source image
list($PictureWidth, $PictureHeight) = getimagesize($image); // Get original size of source image
$PictureAspectRatio = $PictureWidth/$PictureHeight;
$Width = 160;
$Height = 120;
$AspectRatio = $Width/$Height;
if ($PictureAspectRatio > $AspectRatio)
{
$NewWidth = $Width;
$NewHeight = $Width/$PictureWidth * $PictureHeight;
}
else if ($PictureAspectRatio < $AspectRatio)
{
$NewWidth = $Height/$PictureHeight * $PictureWidth;
$NewHeight = $Height;
}
else if ($PictureAspectRatio == $AspectRatio)
{
$NewWidth = $Width;
$NewHeight = $Height;
}
# Generate the resources
$thumb = imagecreatetruecolor($NewWidth, $NewHeight); // Create resource for thumbnail
$source = imagecreatefromjpeg($image); // Set the resource for the source image
# Generate the actual thumbnail
imagecopyresized($thumb, $source, 0,0,0,0, $NewWidth, $NewHeight, $PictureWidth, $PictureHeight); // Generate thumbnail data
# Stream the data to a filename
imagejpeg($thumb,$image,50); // Stream image to file 'original_thumbnail.jpg'
# Release the memory
imagedestroy($thumb); // Always remember to clear your resources!
imagedestroy($source); // Otherwise, you get a "memory leak"
}
?>
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