比較兩個多維數組

Question

我有這個數組：

        $default['products']['categories']['list'] = 0;
    $default['products']['categories']['search'] = 0;
    $default['products']['categories']['delete'] = 0;
    $default['products']['categories']['create'] = 0;
    $default['products']['categories']['edit'] = 0;

    $default['products']['product']['list'] = 0;
    $default['products']['product']['search'] = 0;
    $default['products']['product']['delete'] = 0;
    $default['products']['product']['create'] = 0;
    $default['products']['product']['edit'] = 0;
    $default['products']['product']['info'] = 0;
    $default['products']['product']['get_barcode_img'] = 0;
    $default['products']['product']['update_amount'] = 0;

    $default['api']['version'] = 0;

    $default['user']['create'] = 0;
    $default['user']['delete'] = 0;
    $default['user']['resetpassword'] = 0;

現在我想將它與另一個數組進行比較以檢查第二個數組中是否缺少某些內容。

        $2nd['products']['categories']['list'] = 0;
    $2nd['products']['categories']['search'] = 0;
    $2nd['products']['categories']['delete'] = 0;
    $2nd['products']['categories']['create'] = 0;
    $2nd['products']['categories']['edit'] = 0;

    $2nd['products']['product']['list'] = 0;
    $2nd['products']['product']['search'] = 0;
    $2nd['products']['product']['delete'] = 0;
    $2nd['products']['product']['create'] = 0;
    $2nd['products']['product']['edit'] = 0;
    $2nd['products']['product']['info'] = 0;
    $2nd['products']['product']['get_barcode_img'] = 0;
    $2nd['products']['product']['update_amount'] = 0;

    $2nd['api']['version'] = 0;

所以我想檢測“用戶”的東西是否丟失，然后將丟失的東西插入到第二個數組中

Answer 1

下面的示例將檢查$userArray包含$default頂層的所有字段。 如果缺少什么，它會添加它。 通過做這種方式，你不會覆蓋任何字段（在頂層）用戶已指定。

<?php

//Your array of default permissions
$default = array(
        "products" => array(
                "categories" => array(
                        "list" => 0,
                        "search" => 0,
                        "delete" => 0,
                        "create" => 0,
                        "edit" => 0,
                    ),
                "product" => array(
                        "list" => 0,
                        "search" => 0,
                        "delete" => 0,
                        "create" => 0,
                        "edit" => 0,
                        "info" => 0,
                        "get_barcode_img" => 0,
                        "update_amount" => 0,
                    )
            ),
        "api" => array(
                "version" => 0,
            ),
        "user" => array(
                "create" => 0,
                "delete" => 0,
                "resetpassword" => 0,
            ),          
    );


//The user specified array of permissions, missing everything at "user" section
$userArray = array(
        "products" => array(
                "categories" => array(
                        "list" => 0,
                        "search" => 0,
                        "delete" => 0,
                        "create" => 0,
                        "edit" => 0,
                    ),
                "product" => array(
                        "list" => 0,
                        "search" => 0,
                        "delete" => 0,
                        "create" => 0,
                        "edit" => 0,
                        "info" => 0,
                        "get_barcode_img" => 0,
                        "update_amount" => 0,
                    )
            ),
        "api" => array(
                "version" => 0,
            ),      
    );

foreach( $default as $key=>$group ){
    if( !isset( $userArray[$key] )) {
        $userArray[ $key ] = $group;
    }
}

echo "<pre>" . print_r( $userArray, 1 ) . "</pre>";