# Gmagick::getimageformat

(PECL gmagick >= Unknown)

Gmagick::getimageformat — Returns the format of a particular image in a sequence

### 说明

public Gmagick::getimageformat(): string

Returns the format of a particular image in a sequence.

### 参数

此函数没有参数。

### 返回值

Returns a string containing the image format on success.

### 错误／异常

错误时抛出 GmagickException。

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