PHP | Gmagick getimagechanneldepth() Function

<?php
 
// Create new Gmagick object
$im = new Gmagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-15.png');
 
// Using getimagechanneldepth function
// with different channel
echo $im->getimagechanneldepth(Gmagick::CHANNEL_RED) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_GRAY) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_CYAN) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_GREEN) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_BLUE) . "</br>";

?>

<?php 
 
$string = "Computer Science portal for Geeks!"; 
 
// Creating new image of above String 
// and add color
$im = new Gmagick(); 
$draw = new GmagickDraw(); 
 
// Fill the color in image 
$draw->setFillColor(new GmagickPixel('green')); 
 
// Set the text font size 
$draw->setFontSize(50); 
 
$matrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($matrix['textWidth'], $matrix['textHeight'], 
        new GmagickPixel('white')); 

// Draw the image         
$im->drawImage($draw); 
$im->setImageFormat('jpeg'); 
 
// Using getImageChannelDepth function
// with different channel
echo $im->getimagechanneldepth(Gmagick::CHANNEL_RED) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_GRAY) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_CYAN) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_GREEN) . "</br>";
echo $im->getimagechanneldepth(Gmagick::CHANNEL_BLUE) . "</br>";
?>