PHP | Imagick listRegistry() Function

The Imagick::listRegistry() function is an inbuilt function in PHP which is used to list all the registry settings.

Syntax:

array Imagick::listRegistry( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns an array of all the key/value pairs from registry.

Below program illustrates the Imagick::listRegistry() function in PHP:

Program:

<?php

// Create a new Imagick object
$imagick = new Imagick();

// Setting the ImageMagick registry
$imagick->setRegistry('key1', 'value1');
$imagick->setRegistry('key2', 'value2');


// Getting all the ImageMagick registry
$regs = $imagick->listRegistry();

// Displaying the array
foreach($regs as $key => $value) {
    echo "$key => $value";
    echo nl2br("\n");
}

?>

Output:

key1 => value1
key2 => value2

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