Function.imagecreatefromstring
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imagecreatefromstring — Create a new image from the image stream in the string
Inhaltsverzeichnis |
Beschreibung
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.
Parameter-Liste
- image
- A string containing the image data.
Rückgabewerte
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.
Beispiele
=== #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=== ==Siehe auch== * [[function.imagecreatefromjpeg|imagecreatefromjpeg()]] * [[function.imagecreatefrompng|imagecreatefrompng()]] * [[function.imagecreatefromgif|imagecreatefromgif()]] * [[function.imagecreatetruecolor|imagecreatetruecolor()]] [[Kategorie:PHP 4|I]] [[Kategorie:PHP 5|I]] [[Kategorie:Image Funktionen|I]]