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

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