Imagick
PHP Manual

Imagick::magnifyImage

(PECL imagick 2.0.0)

Imagick::magnifyImage — Scales an image proportionally 2x

Description

bool Imagick::magnifyImage ( void )

Is a convenience method that scales an image proportionally to twice its original size.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.

Imagick
PHP Manual