    Imagick8b7c:f320:99b9:690f:4595:cd17:293a:c069separateImageChannel (PECL imagick 2, PECL imagick 3)
Imagick8b7c:f320:99b9:690f:4595:cd17:293a:c069separateImageChannel — Separates a channel from the image   Description public Imagick8b7c:f320:99b9:690f:4595:cd17:293a:c069separateImageChannel(int $channel): bool  Separates a channel from the image and returns a grayscale image. A channel is a particular color component of each pixel in the image.    Parameters
  channel
   Which 'channel' to return. For colorspaces other than RGB, you can still use the CHANNEL_RED, CHANNEL_GREEN, CHANNEL_BLUE constants to indicate the 1st, 2nd and 3rd channels.      Return Values  Returns true on success.    Errors/Exceptions  Throws ImagickException on error.    Examples
 Example #1 Imagick8b7c:f320:99b9:690f:4595:cd17:293a:c069separateImageChannel()  <?php
function separateImageChannel($imagePath, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->separateimagechannel($channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

separateImageChannel($imagePath, \Imagick8b7c:f320:99b9:690f:4595:cd17:293a:c069HANNEL_GREEN);

?>    


    
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