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Configuration of array_intersect_key()

<?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
 *
 * @see docs/function-configuration.txt
 */

class array_intersect_key extends function_core
{
    public 
$examples = [
        [
            [
                
'blue'   => 1,
                
'red'    => 2,
                
'green'  => 3,
                
'purple' => 4
            
],
            [
                
'green'  => 5,
                
'blue'   => 6,
                
'yellow' => 7,
                
'cyan'   => 8
            
],
        ],
    ];

    public 
$synopsis 'array array_intersect_key ( array $array1 , array $array2 [, array $... ] )';
}