This function will create a thumbnail image from an already uploaded image on your server.
createthumbnail
Docs
createthumbnail
Quote
createthumbnail( int $filetype , string $origfile , string $thumbfile , int $new_w , int $new_h )
Parameters
filetype
This function only supports three filetypes:
1 is .gif files
2 is .jpg files
3 is .png files
origfile
Complete path to the orginal file you want to create a thumbnail of.
thumbfile
Complete path to the thumbnail file you want to create.
new_w
Max width for thumbnail image.
new_h
Max height for thumbnail image.
Return Values
This function will not return anything.
Example
Code
<?php
require_once INCLUDES."photo_functions_include.php";
// Set variables
$origfile = IMAGES."banner.png";
$thumbfile = IMAGES."banner_thumb.png";
$new_w = 100;
$new_h = 100;
// Determine file extention
$fileext = substr($origfile, strrpos($origfile, '.') + 1);
if ($fileext == "gif") { $filetype = 1;
} elseif ($fileext == "jpg") { $filetype = 2;
} elseif ($fileext == "png") { $filetype = 3;
} else { $filetype = false; }
// Create thumbnail
if ($filetype) {
createthumbnail($filetype, $origfile, $thumbfile, $new_w, $new_h);
echo "Image sucessfully thumb nailed!";
} else {
echo "File type not supported!";
}
?>Changelog
7.01.00 - Added imagedestroy() to lower server load when creating thumbnails for proper destroying temporally thumbnail files when they are created,
7.01.00 - Added support for transparent PNG thumbnails.