PHP | Imagick setImageAttribute() Function

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:

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<?php
  
// Create a Imagick objects
$imagick = new Imagick(
  
// 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;
?>

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Output:

my_value

Program 2:

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<?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();
?>

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Output:

Reference: https://www.php.net/manual/en/imagick.setimageattribute.php




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