用数组键替换字符串中的值

Question

我试图用数组键替换数组中的值：

示例1：

Array
(
    [cid] => 1-category-title
    [slug] => 100-article-title
)

我的字符串：products/{:cid}/{:slug}

我试图替换它：products/1-category-title/100-article-title

示例2：

Array
(
    [cid] => 1-category-title
    [slug] => 100-article-title
    [page_id] => 5
)

我的字符串：products/{:cid}/{:slug}

我试图替换它：products/1-category-title/100-article-title?page_id=5

示例3：

Array
(
    [cid] => 1-category-title
    [slug] => 100-article-title
    [page_id] => 5
    [format] => json 
)

我的字符串：products/{:cid}/{:slug}

我试图替换它：products/1-category-title/100-article-title?page_id=5&format=json

Answer 1

Here's an example

Read this.

{{1}}