imagecreatefromstring
(PHP 4 >= 4.0.4, PHP 5)
imagecreatefromstring — Create a new image from the image stream in the string
설명
resource imagecreatefromstring
( string $data
)
imagecreatefromstring() returns an image identifier representing the image obtained from the given data . These types will be automatically detected if your build of PHP supports them: JPEG, PNG, GIF, WBMP, and GD2.
인수
- image
-
A string containing the image data.
반환값
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.
예제
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.';
}
?>
위 예제의 출력 예시:
참고
- 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