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Here is the code I'm using to add a custom field to a post type I have set up. As you can see it creates an input box which allows me to add whatever I want. I want to put urls in this box (without the "http://", e.g. "example.com") and have them be automatically clickable. Is there a way?

add_action("admin_init", "add_friends_fields");

function add_friends_fields(){
    add_meta_box("artist_links", "Links", "artist_links", "friends", "normal", "low");
}

function artist_links(){
    global $post;
    $custom = get_post_custom($post->ID);
    $artist_links = $custom["artist_links"][0];
    ?>
    <label>Links:</label><br /><br />
    <input size="50" name="artist_links" value="<?php echo $artist_links; ?>" />
    <?php
}

-edit-

    <section id="artists">
        <h2 class="title"><span>Artists</span></h2>
        <?php
            $i=1;

            $temp = $wp_query;
            $wp_query = null;
            $wp_query = new WP_Query();
            $wp_query->query('post_type=friends&posts_per_page=-1');

            while ( $wp_query->have_posts() ) : $wp_query->the_post();

            $custom = get_post_custom($post->ID);
            $artist_links = $custom["artist_links"][0];
            $artist_bio = $custom["artist_bio"][0];
        ?>

        <article class="mgm-artist<?php if($i%6 == 0) { echo ' right'; }; $i++; ?>" id="post-<?php the_ID(); ?>">
            <?php if ( has_post_thumbnail() ) { the_post_thumbnail( 'video-thumb' ); } ?>
            <section class="artist-details">
                <p><span>Name:</span> <?php the_title(); ?></p>
                <p><span>Bio:</span> <?=$artist_bio?></p>
                <p><span>Link(s):</span> <?=$artist_links?></p>
            </section>
        </article>

        <?php
            endwhile; 
            $wp_query = null;
            $wp_query = $temp;
            wp_reset_query();
        ?>
    </section>
share|improve this question
    
possible duplicate of Turning static urls into live links –  t31os Feb 23 '11 at 20:32
    
Yes, it is. Sorry for posting twice. I tried to explain my needs better in this question since my last question wasn't clear judging by the answer I got. I can update the other one if needed. –  J82 Feb 23 '11 at 20:40
    
@J82: Can you please present the code for where you are printing the custom field value to the page? That would be the more relevant part. –  wyrfel Feb 23 '11 at 21:33
    
@wyrfel I may be wrong but isn't that in the code I posted? I checked my functions.php and the only other code is for registering the post type and saving the fields. –  J82 Feb 23 '11 at 21:37
    
@wyrfel I think I misunderstood what you said. I've added the code that is in the page template. –  J82 Feb 23 '11 at 22:50
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2 Answers 2

up vote 0 down vote accepted

put this in your functions.php:

function my_format_artist_links($urls) {
    $urls = explode(',', $urls);
    $links = array();
    foreach ($urls as $url) {
        if (empty($url)) continue;
        $links[] = '<a href="http://'.$url.'">'.$url.'</a>';
    }
    return implode(',', $links);
}

and then replace

<p><span>Link(s):</span> <?=$artist_links?></p>

with

<p><span>Link(s):</span> <?php echo my_format_artists_links($artist_links); ?></p>'
share|improve this answer
    
Thanks @wyrfel. There was an extra 's' added in the echo command so I changed that. One problem I'm having is getting the http:// to prepend the urls since I'm typing them in like this example.com, example2.com, etc. I tried adding http:// to the function like this: <a href="http://'.$url.'">'.$url.'</a> however that only made the first url link in the correct format (i.e. http://example.com) while the rest of the urls linked to %20example2.com i.e. with %20 in front of it. Also, there is the problem of a comma showing up after the last item which is not needed. –  J82 Feb 24 '11 at 7:57
    
Your approach should work. Are you sure your links are properly comma-separated. This sounds like you are just getting them all stacked together by something else, not a ','. And if you get a comma after the last, it must be at the end of your custom post value. However, i'm making an edit, that get's rid of it. –  wyrfel Feb 24 '11 at 8:05
    
Yes, my links weren't properly comma-separated. I was adding a space after the comma. So to make this work, I added a space after the comma on lines 2 and 8 of your code. I tried putting in the new line of code on line 5 if (empty($url)) continue; but the last comma is still there and won't go away. I'm not sure what you mean by it must be at the end of your custom post value. –  J82 Feb 24 '11 at 8:17
    
implode() only inserts the comma between the elements of the array passed, not at the end. since there's no commas in my code elsewhere, i thought it could be at the end of your custom field value (at the end of your links). However, since the if-empty clause should care for that, it must be elsewhere in your code. –  wyrfel Feb 24 '11 at 8:22
    
Ah, spot on. There was an extra comma in the html. Thanks for your help! –  J82 Feb 24 '11 at 8:35
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just change $artist_links = $custom["artist_links"][0]; in your loop to

$artist_links = '<a href="'.$custom['artist_links'][0].'">'.get_the_title($post->ID).'</a>;
share|improve this answer
    
Thank you for helping. I tried what you suggested and the links came up with the title of the post. Also, if I just enter "example.com" without the "http://", the links turn into "site.com/example.com". One last thing is if there are multiple urls separated by commas such as "example.com, example2.com, example3.com", is there a way to turn them all into their own clickable links instead of having them combined? Right now, if I put in multiple urls, it comes out like this: "sitename.com/example.comexample2.comexample3.com" –  J82 Feb 24 '11 at 4:22
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