Image/Url.php
public function getImageData() {
        if ($this->imageData === null) {
            $this->imageData = $this->download($this->url);
        }
        return $this->imageData;
    }
public function getImageData() {
        if ($this->imageData === null) {
            $this->imageData = $this->download($this->url);
        }
        return $this->imageData;
    }
public function getImageData ( ) { if ( $ this -> imageData === null ) { $ this -> imageData = $ this -> download ( $ this -> url ) ; } return $ this -> imageData ; }
Returns the complete image data, wherever it may have come from.

@return string
Returns the complete image data wherever it may have come from .