imagecreatefromstring
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
imagecreatefromstring — Create a new image from the image stream in the string
Description
$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, and GD2.
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.
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