Php/docs/function.imagecreatefromstring
imagecreatefromstring
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
imagecreatefromstring — Create a new image from the image stream in the string
Description
imagecreatefromstring
( string $image
) : resource
imagecreatefromstring() returns an image identifier
representing the image obtained from the given image.
These types will be automatically detected if your build of PHP supports
them: JPEG, PNG, GIF, BMP, WBMP, GD2, and WEBP.
Parameters
image- A string containing the image data.
Return Values
An image resource will be returned on success. FALSE is returned if
the image type is unsupported, the data is not in a recognised format,
or the image is corrupt and cannot be loaded.
Changelog
| Version | Description |
|---|---|
| 7.3.0 | WEBP is supported now (if supported by the libgd in use). |
Errors/Exceptions
imagecreatefromstring() raises an E_WARNING level error, if the data is not in a recognized format.
Examples
Example #1 imagecreatefromstring() example
<?php$data = 'iVBORw0KGgoAAAANSUhEUgAAABwAAAASCAMAAAB/2U7WAAAABl' . 'BMVEUAAAD///+l2Z/dAAAASUlEQVR4XqWQUQoAIAxC2/0vXZDr' . 'EX4IJTRkb7lobNUStXsB0jIXIAMSsQnWlsV+wULF4Avk9fLq2r' . '8a5HSE35Q3eO2XP1A1wQkZSgETvDtKdQAAAABJRU5ErkJggg==';$data = base64_decode($data);$im = imagecreatefromstring($data);if ($im !== false) { header('Content-Type: image/png'); imagepng($im); imagedestroy($im);}else { echo 'An error occurred.';}?>
The above example will output something similar to:
See Also
- imagecreatefromjpeg() - Create a new image from file or URL
- imagecreatefrompng() - Create a new image from file or URL
- imagecreatefromgif() - Create a new image from file or URL
- imagecreatetruecolor() - Create a new true color image
