Cviebrock\ImageValidator\ImageValidator::validateImageSize PHP Method

    public function validateImageSize($attribute, $value, $parameters)
    {
        $image = $this->getImagePath($value);
        // Get the image dimension info, or fail.
        $image_size = @getimagesize($image);
        if ($image_size === false) {
            return false;
        }
        // If only one dimension rule is passed, assume it applies to both height and width.
        if (!isset($parameters[1])) {
            $parameters[1] = $parameters[0];
        }
        // Parse the parameters.  Options are:
        //
        // 	"300" or "=300"   - dimension must be exactly 300 pixels
        // 	"<300"            - dimension must be less than 300 pixels
        // 	"<=300"           - dimension must be less than or equal to 300 pixels
        // 	">300"            - dimension must be greater than 300 pixels
        // 	">=300"           - dimension must be greater than or equal to 300 pixels
        $width_check = $this->checkDimension($parameters[0], $image_size[0]);
        $height_check = $this->checkDimension($parameters[1], $image_size[1]);
        return $width_check['pass'] && $height_check['pass'];
    }