Syntax:

bool Imagick::quantizeImage (int $numberColors, int  $colorspace, int $treedepth, bool $dither, bool $measureError)

Parameters: This function takes five parameters as above and described below:

• $numberColors:specifies the number of colors.
• $colorspace:specifies the color space.
• $treedepth:specifies the depth of the tree.
• $dither:specifies whether to enable dithering or not.
• $measureError:Indicates whether to enable error measurement or not.

Return value :This function returns TRUE on success.Exceptions:This function throws an ImagickException on error.The following programs illustrate the Imagick::quantizeImage()function in PHP :Program 1:  
// Create a new imagick object $imagick = new Imagick ( ` https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png ` );  
// Quantize the image $imagick -> quantizeImage (100, 8, 256, true, false);  
// Show image $imagick -> setImageFormat ( `png` ); header ( "Content-Type: image / png" ); echo $imagick -> getImageBlob(); ?> Output: Program 2:  
// Create new imagick object $imagick = new Imagick ( ` https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png ` );  
// Quantize the image $imagick -> quantizeImage (2, 50, 256, true, false);  
// Show image $imagick -> setImageFormat ( `png` ); header ( "Content-Type: image / png" ); echo $imagick -> getImageBlob(); ?> Output: Link: https://www.php.net/manual/en/imagick.quantizeimage.php