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PHP Imagick clear () function

Syntax:
bool Imagick::clear (void)
Parameters: this function takes no parameters. It simply cleans up the resources of the Imagick object that is used to call the function. Return Value: This function returns true if the resources are cleared, otherwise it returns false.Program 1:This program displays the content of the image without using the Imagick::clear() function.  
// Save the image to a variable $url = https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer- 9.png ;  
// file_get_contents() function
// reads the image as a string $image = file_get_contents ( $url );  
// Create an Imagick object $imagick = new Imagick(); $imagick -> readImageBlob ( $image );  
// Comment out the clear() function, which
// display the image on the web page
// $imagick-> clear(); header ( "Content-Type: image / jpg" );  
// Display the output image echo $imagick -> getImageBlob();  
?>
Output: Program 2:This program uses the Imagick::clear() function to clearing all resources associated with the imagick object.  
// Save the image to a variable $url = https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-9.png ;  
// file_get_contents() function
// reads the image as a string $image = file_get_contents ( $url );  
// Create an Imagick object $imagick = new Imagick(); $imagick -> readImageBlob ( $image );  
// Comment out the clear() function, which
// display the image on the web page $imagick -> clear(); header ( " Content-Type: image / jpg " );  
// Display the output image echo $imagick -> getImageBlob();  
?>
Output: Link: https://www.php.net/manual/en/imagick.clear.php

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