exif_thumbnail
Description
The exif_thumbnail of Exif for PHP retrieves the embedded thumbnail of an image.
Syntax
exif_thumbnail(
resource|string $file,
int &$width = null,
int &$height = null,
int &$image_type = null
): string|falseParameters
file
The location of the image file. This can either be a path to the file or a stream resource.
width
The return width of the returned thumbnail.
height
The returned height of the returned thumbnail.
image_type
The returned image type of the returned thumbnail. This is either TIFF or JPEG.
Return
Returns the embedded thumbnail, or false if the image contains no thumbnail.
Examples
1 · file
<? $file = $_SERVER["DOCUMENT_ROOT"] . "/assets/jpg/1.jpg"; $return = exif_thumbnail($file); var_export($return); ?>
false
2 · width height image_type
<? $file = $_SERVER["DOCUMENT_ROOT"] . "/assets/jpg/1.jpg"; $return = exif_thumbnail($file, $width, $height, $image_type); var_dump($return, $width, $height, $image_type); ?>
bool(false) NULL NULL NULL
