Gmagick::haspreviousimage

(PECL gmagick >= Unknown)

Gmagick::haspreviousimage — Checks if the object has a previous image

public mixed Gmagick::haspreviousimage ( void )

Returns TRUE if the object has more images when traversing the list in the reverse direction

Esta função não possui parâmetros.

Returns TRUE if the object has more images when traversing the list in the reverse direction, returns FALSE if there are none.

Lança uma exceção GmagickException em erros.