PHP | Imagick setImageAttribute() Function

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The Imagick::setImageAttribute() function is an inbuilt function in PHP which is used to set the value attribute for a key.

Syntax:

bool Imagick::setImageAttribute( string $key, string $value )

Parameters: This function accepts two parameters as mentioned above and described below:

$key: This parameter holds the key of the image attribute.
$value: This parameter holds the value of the image attribute.

Return Value: This function returns TRUE on success.

Below programs illustrate the Imagick::setImageAttribute() function in PHP:

Program 1:

<?php 
  
// Create a Imagick objects 
$imagick = new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png'); 
  
// Set an attribute with key 'my_key' 
$imagick->setImageAttribute('my_key', 'my_value'); 
  
// Get the attribute with key 'my_key' 
$attribute = $imagick->getImageAttribute('my_key'); 
  
echo $attribute; 
?> 

Output:

my_value

Program 2:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
  
// Write the caption in a image 
$imagick->newPseudoImage(800, 350, "caption:GeekforGeeks"); 
  
// Set the my_color attribute to green 
$imagick->setImageAttribute('my_color', 'green'); 
  
$imagick->floodfillPaintImage(  
                 $imagick->getImageAttribute('my_color'), 
                 1, "white", 1, 1, false); 
  
// Show the output 
$imagick->setformat('png'); 
header("Content-Type: image/png"); 
  
echo $imagick->getImageBlob(); 
?> 