Fatal error: Cannot redeclare site_url()

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I am working in codeigniter and I want to fetch blog post on the my web

Site Homepage When I include two file

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require_once('blog/wp-blog-header.php');
require_once('blog/wp-includes/link-template.php');

I got an error. 

Fatal error: Cannot redeclare site_url() (previously declared in /home/homebidpro/public_html/dev/system/helpers/url_helper.php:83) in /home/homebidpro/public_html/dev/blog/wp-includes/link-template.php on line 3004

I Commented this function according to location file: 

function site_url( $path = '', $scheme = null ) {
    return get_site_url( null, $path, $scheme );
}

this error is removed and all functionality of website wotks But When I open
blog is not opening it is giving error

dev.homebidpro.com page isn’t working

Blog and project location is same both are in dev Folder.

I stuck till now. Please give the solution as soon as possiable.

The rest of code is 

 public function blogData()
    {

        require_once('blog/wp-blog-header.php');
        require_once('blog/wp-includes/link-template.php');

        if($catagory !='')
        {

            $args = array(  'posts_per_page' => 3, 'category_name' => $catagory );
        }
        else
        {

            $args = array('posts_per_page' => 4);
        }    

        $mypostsMov = get_posts( $args );  
       // echo "<pre>"; print_r($mypostsMov); die;
        $mypostsarrayMov = array();
        $i=0;
        foreach ($mypostsMov as $post ) : 
        $excerpt = preg_replace("/<img[^>]+>/i", "", $post->post_content);      
        $mypostsarrayMov[$i]['post_title'] = strip_tags($post->post_title);
        $mypostsarrayMov[$i]['content'] =    strip_tags($post->post_content);
        $mypostsarrayMov[$i]['permalink'] = get_permalink($post->ID);
        $mypostsarrayMov[$i]['thumbnail'] =get_the_post_thumbnail($post->ID,array( 300, 200));
        $i++;
        endforeach; 
        wp_reset_postdata();

         //echo "<pre>"; print_r($mypostsarrayMov); die;

         //return $this->render('MovePlusServiceBundle:Default:recentpostCombined.html.twig',array('mypostsMov'=>$mypostsarrayMov, ));

         return $mypostsarrayMov;

}

And site_url function which is in codeigniter 

if ( ! function_exists('site_url'))

{

    function site_url($uri = '')
    {
        $CI =& get_instance();
        return $CI->config->site_url($uri);
    }

}

and siteurl function which is blog folder I already send you.

Post Views: 3

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2 comments

  1. The issue you have is that CodeIgniter has a site_url() function in the url helper, and WordPress also has a function site_url() which is defined within the wp-includes/link-template.php file.

    Because you’ve included link-template.php in your CodeIniter page, PHP is telling you you’re trying to create a function which already exists, which you can’t do.

    From what I can think of, you need to either:

    • Not load the CodeIgniter URL helper on the page you’re including WordPress in, OR
    • Not load the wp-includes/link-template.php file when you’ve loaded the CodeIgniter url helper, OR
    • Copy the functionality needed from wp-includes/link-template.php file into a custom library/helper or into your controller so you can generate the results which require the file to be included.

    You might choose to implement a combination of these

  2. A new established workaround found to fix this issue with WP6+ and CI4.3

    change the link-template.php in wp-includes with the following addition:

    if (!function_exists('site_url')) {
    function site_url($path = '', $scheme = null)
    {
        return get_site_url(null, $path, $scheme);
    }
}

    This results in the admin and WordPress environment not being influenced by the presence of CodeIgniter, yet it leaves all functionalities operational. Tested successfully. Hope its useful to someone trying to combine these two.

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