update : 2015.11.03
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Sets the image resolution
Gmagick
PHP Manual

Gmagick::setimageresolution

(PECL gmagick >= Unknown)

Gmagick::setimageresolution — Sets the image resolution

설명

public Gmagick Gmagick::setimageresolution ( float $xResolution , float $yResolution )

Sets the image resolution.

인수

xResolution

The image x resolution.

yResolution

The image y resolution.

반환값

The Gmagick object on success.

오류/예외

Throws an GmagickException on error.

Gmagick
PHP Manual