public static function convert2Jpeg($inputImg, $savePath = null, $quality = null, array $exifData = null)
	{
		$retval = false;
		$img = self::imgCreate($inputImg);
		$imgSize = self::size($img);
		$jpegImg = imagecreatetruecolor($imgSize[0], $imgSize[1]);
		imagecopy($jpegImg, $img, 0, 0, 0, 0, $imgSize[0], $imgSize[1]);

		if (null === $quality)
			$quality = self::IMG_QUALITY;

		if (null !== $exifData && array_key_exists('Orientation', $exifData)) {
			$ort = $exifData['Orientation'];
			switch ($ort) {
				default:
				case 1: // nothing
					break;

				case 2: // horizontal flip
					$jpegImg = self::flipImage($jpegImg, 1);
					break;

				case 3: // 180 rotate left
					$jpegImg = self::rotateImage($jpegImg, 180);
					break;

				case 4: // vertical flip
					$jpegImg = self::flipImage($jpegImg, 2);
					break;

				case 5: // vertical flip + 90 rotate right
					$jpegImg = self::flipImage($jpegImg, 2);
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 6: // 90 rotate right
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 7: // horizontal flip + 90 rotate right
					$jpegImg = self::flipImage($jpegImg, 1);
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 8:    // 90 rotate left
					$jpegImg = self::rotateImage($jpegImg, 270);
					break;
			}
		}

		if (null === $savePath)
			$retval = $jpegImg;
		else
			$retval = imagejpeg($jpegImg, $savePath, $quality);
		return $retval;
	}
public static function convert2Jpeg($inputImg, $savePath = null, $quality = null, array $exifData = null)
	{
		$retval = false;
		$img = self::imgCreate($inputImg);
		$imgSize = self::size($img);
		$jpegImg = imagecreatetruecolor($imgSize[0], $imgSize[1]);
		imagecopy($jpegImg, $img, 0, 0, 0, 0, $imgSize[0], $imgSize[1]);

		if (null === $quality)
			$quality = self::IMG_QUALITY;

		if (null !== $exifData && array_key_exists('Orientation', $exifData)) {
			$ort = $exifData['Orientation'];
			switch ($ort) {
				default:
				case 1: // nothing
					break;

				case 2: // horizontal flip
					$jpegImg = self::flipImage($jpegImg, 1);
					break;

				case 3: // 180 rotate left
					$jpegImg = self::rotateImage($jpegImg, 180);
					break;

				case 4: // vertical flip
					$jpegImg = self::flipImage($jpegImg, 2);
					break;

				case 5: // vertical flip + 90 rotate right
					$jpegImg = self::flipImage($jpegImg, 2);
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 6: // 90 rotate right
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 7: // horizontal flip + 90 rotate right
					$jpegImg = self::flipImage($jpegImg, 1);
					$jpegImg = self::rotateImage($jpegImg, 90);
					break;

				case 8:    // 90 rotate left
					$jpegImg = self::rotateImage($jpegImg, 270);
					break;
			}
		}

		if (null === $savePath)
			$retval = $jpegImg;
		else
			$retval = imagejpeg($jpegImg, $savePath, $quality);
		return $retval;
	}
public static function convert2Jpeg ( $ inputImg , $ savePath = null , $ quality = null , array $ exifData = null ) { $ retval = false ; $ img = self :: imgCreate ( $ inputImg ) ; $ imgSize = self :: size ( $ img ) ; $ jpegImg = imagecreatetruecolor ( $ imgSize [ 0 ] , $ imgSize [ 1 ] ) ; imagecopy ( $ jpegImg , $ img , 0 , 0 , 0 , 0 , $ imgSize [ 0 ] , $ imgSize [ 1 ] ) ; if ( null === $ quality ) $ quality = self :: IMG_QUALITY ; if ( null !== $ exifData && array_key_exists ( 'Orientation' , $ exifData ) ) { $ ort = $ exifData [ 'Orientation' ] ; switch ( $ ort ) { default : case 1 : // nothing break ; case 2 : // horizontal flip $ jpegImg = self :: flipImage ( $ jpegImg , 1 ) ; break ; case 3 : // 180 rotate left $ jpegImg = self :: rotateImage ( $ jpegImg , 180 ) ; break ; case 4 : // vertical flip $ jpegImg = self :: flipImage ( $ jpegImg , 2 ) ; break ; case 5 : // vertical flip + 90 rotate right $ jpegImg = self :: flipImage ( $ jpegImg , 2 ) ; $ jpegImg = self :: rotateImage ( $ jpegImg , 90 ) ; break ; case 6 : // 90 rotate right $ jpegImg = self :: rotateImage ( $ jpegImg , 90 ) ; break ; case 7 : // horizontal flip + 90 rotate right $ jpegImg = self :: flipImage ( $ jpegImg , 1 ) ; $ jpegImg = self :: rotateImage ( $ jpegImg , 90 ) ; break ; case 8 : // 90 rotate left $ jpegImg = self :: rotateImage ( $ jpegImg , 270 ) ; break ; } } if ( null === $ savePath ) $ retval = $ jpegImg ; else $ retval = imagejpeg ( $ jpegImg , $ savePath , $ quality ) ; return $ retval ; }
Converts image to jpeg and optionally saves it to a given path.

@param String $inputImg
@param String $savePath
@param int $quality
@param array $exifData
@return Boolean|ImageResource
Converts image to jpeg and optionally saves it to a given path .