(PHP 4 >= 4.2.0, PHP 5, PHP 7)
exif_thumbnail — Retrieve the embedded thumbnail of an image
exif_thumbnail ( resource|string $file [, int &$width = null [, int &$height = null [, int &$image_type = null ]]] ) : string|false
exif_thumbnail() reads the embedded thumbnail of an image.
If you want to deliver thumbnails through this function, you should send the mimetype information using the header() function.
It is possible that exif_thumbnail() cannot create an image but can determine its size. In this case, the return value is false but width and height are set.
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.
Returns the embedded thumbnail, or false if the image contains no thumbnail.
Example #1 exif_thumbnail() example
<?php
$image = exif_thumbnail('/path/to/image.jpg', $width, $height, $type);
if ($image!==false) {
header('Content-type: ' .image_type_to_mime_type($type));
echo $image;
exit;
} else {
// no thumbnail available, handle the error here
echo 'No thumbnail available';
}
?> | Version | Description |
|---|---|
| 7.2.0 | The file parameter now supports both local files and stream resources. |
Note:
If the
fileis used to pass a stream to this function, then the stream must be seekable. Note that the file pointer position is not changed after this function returns.
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.exif-thumbnail.php