imagecreatefromstring

(PHP 4 >= 4.0.4, PHP 5)

imagecreatefromstring - Создает новое изображение из строки, содержащей коды изобржения.

Описание

resource imagecreatefromstring ( string image )

imagecreatefromstring() returns an image identifier representing the image obtained from the given string. These types will be automatically detected if your build of PHP supports them: JPEG, PNG, GIF, WBMP, and GD2.

Возвращаемые значения

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.

Примеры

Пример 1. imagecreatefromstring()

$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);
}
else {
    echo 'An error occurred.';
}

Смотрите также: imagecreatefromjpeg(), imagecreatefrompng(), imagecreatefromgif(), imagecreatetruecolor().

Все функции изображение
Описание на ru2.php.net
Описание на php.ru