Returns the image sequence as a blob

# Imagick::getImageBlob

(PECL imagick 2, PECL imagick 3)

Imagick::getImageBlob — Returns the image sequence as a blob

### 说明

public function Imagick::getImageBlob(): string

Implements direct to memory image formats. It returns the image sequence as a string. The format of the image determines the format of the returned blob (GIF, JPEG, PNG, etc.). To return a different image format, use Imagick::setImageFormat().

### 参数

此函数没有参数。

### 返回值

Returns a string containing the image.

### 错误／异常

错误时抛出 ImagickException。

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