024.CI4框架CodeIgniter辅助函数类之：URL辅助函数

2021-04-13 13:28

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01. PHP的CI4框架自带了很多好用的URL辅助函数，我选择了以下这些比较常用的列了出来，代码如下：

php namespace App\Controllers;

// http://127.0.0.1/CI4/public/index.php/hello/
class Hello extends BaseController
{
    public function index()
    {
        //http://localhost/CI4/index.php/news/local/123 0
        echo site_url(‘news/local/123‘) . ‘ 0
‘;
        //http://localhost/CI4/index.php/news/local/123 1
        $segments = array(‘news‘, ‘local‘, ‘123‘);
        echo site_url($segments) . ‘ 1
‘;
        //http://localhost/CI4 2
        echo base_url() . ‘ 2
‘;
        //http://localhost/CI4/blog/post/123 3
        echo base_url("blog/post/123") . ‘ 3
‘;
        //http://localhost/CI4/images/icons/edit.png 4
        echo base_url("images/icons/edit.png") . ‘ 4
‘;
        //hello 5
        echo uri_string() . ‘ 5
‘;
        //http://localhost/CI4/hello 6
        echo base_url(uri_string()) . ‘ 6
‘;
        //hello 7
        echo uri_string(‘http://some-site.com/blog/comments/123‘) . ‘ 7
‘;
        //index.php 8
        echo index_page() . ‘ 8
‘;
        //My News 9
        echo anchor(‘news/local/123‘, ‘My News‘, ‘title="News title"‘) . ‘ 9
‘;
        //My News 10
        echo anchor(‘news/local/123‘, ‘My News‘, array(‘title‘ => ‘The best news!‘)) . ‘ 10
‘;
        //Click here 11
        echo anchor(‘‘, ‘Click here‘) . ‘ 11
‘;
    }
}