PHP | Imagick getImageMatte() Function

The Imagick::getImageMatte() function is an inbuilt function in PHP which is used to get the matte channel of an imagick object.
Syntax:

bool Imagick::getImageMatte( void )

Parameters: This function does not accept any parameter.
Return Value: This function returns True if image has a matte channel or False otherwise.
Below programs illustrate the Imagick::getImageMatte() function in PHP:
Program 1:
Original Image:

php

<?php

// Create new Imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-15.png');

// Using getImageMatte function
$res = $imagick->getImageMatte();

// header("Content-Type: image/jpg");
echo $res;

?>

Output:

1

Program 2:
Original Image:

php

<?php
$string = "Computer Science portal for Geeks!";

// Creating new image of above String
// and add color
$im = new Imagick();
$draw = new ImagickDraw();

// Fill the color in image
$draw->setFillColor(new ImagickPixel('green'));

// Set the text font size
$draw->setFontSize(50);

$metrix = $im->queryFontMetrics($draw, $string);
$draw->annotation(0, 40, $string);
$im->newImage($metrix['textWidth'], $metrix['textHeight'],
        new ImagickPixel('white'));
// Draw the image
$im->drawImage($draw);
$im->setImageFormat('jpeg');

$res = $im->getImageMatte();

// Display Result
echo $res;
?>

Output:

1

Reference: http://php.net/manual/en/imagick.getimagematte.php