PHP/Graphics Image/Transparent

Making Colors Transparent with imagecolortransparent()

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<?php header("Content-type: image/gif"); $image = imagecreate( 200, 200 ); $red = imagecolorallocate($image, 255,0,0); $blue = imagecolorallocate($image, 0,0,255 ); $points = array (10, 10,

                190, 190,
                190, 10,
                10, 190

); imagefilledpolygon( $image, $points, count( $points )/2 , $blue ); imagecolortransparent( $image, $red ); imagegif($image); ?>

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