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Configuration of print_r()

<?php
/**
 * PHP By Example
 *
 * @copyright 2014 Michel Corne 
 * @license   http://www.opensource.org/licenses/gpl-3.0.html GNU GPL v3
 */

require_once 'models/function_core.php';

/**
 * Function configuration
 *
 * Changes to this class may affect other classes.
 *
 * @see docs/function-configuration.txt
 */

class print_r extends function_core
{
    public 
$examples = [
        [
            [
                
"a" => "apple",
                
"b" => "banana",
                
"c" => [
                    
=> "x",
                    
=> "y",
                    
=> "z",
                ],
            ],
        ],
        [
            [
                
"m" => "monkey",
                
"foo" => "bar",
                
"x" => [
                    
=> "x",
                    
=> "y",
                    
=> "z",
                ],
            ],
            
true
        
],
    ];

    public 
$output_buffer true;

    public 
$synopsis 'mixed print_r ( mixed $expression [, bool $return = false ] )';
}