WordPress creating custom fields in custom plugins code

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As per requirement, i need to create plugin with custom fields in the wordpress 3.0. I have a look at creating the plugins in wordpress. I can able to create the plugins with custom fields by hardcoded HTML fields code. Like providing input type name id etc.

But I need to create the fields like textbox, image upload, buttons using wordpress custom fields functions. Just calling the functions with type the field need to generate the fields. As like I already did in the drupal 7.

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Below is the sample code for creating the text field in the drupal 7 

$form['posts']['Title'] = array(
    '#prefix' => '<div class="container-inline">',
    '#required' => '1',
    '#size' => '20',
    '#type' => 'textfield',
    '#title' => t('Title'),
    '#suffix' => '</div>',
);

Is it possible in the wordpress?. Please guide me in the wordpress to create the custom plugins. Thanks in Advance…

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2 comments

  1. Here a sample of code I’ve used to add custom field in my custom post type.
    or you can use the plugin Advanced Custom Field to add custom field and attached them to your custom post type.

    I hope this can help you !

    <?php
// Metabox declaration
$prefix = 'bookmark_';  

// The only way I found too pass the fields informations to the action
global $bookmark_meta_fields;
$bookmark_meta_fields = array(  
    array(  
        'label'=> 'Url',  
        'desc'  => 'Url of the bookmark.',  
        'id'    => $prefix.'url',  
        'type'  => 'text'  
    ),  
    array(  
        'label'=> 'Comments',  
        'desc'  => 'A small comments about the bookmarks.',  
        'id'    => $prefix.'comment',  
        'type'  => 'textarea'  
    ),  

); 



add_action('add_meta_boxes', 'vban_bookmark_metabox');

function vban_bookmark_metabox() {  
    add_meta_box(  
        'bookmark_info', // $id  
        'Bookmark info', // $title  
        'vban_bookmark_metabox_show', // $callback  
        'vbanBookmarks', // $page  
        'normal', // $context  
        'high'); // $priority  
}  

/*
* show metabox function
*/
function vban_bookmark_metabox_show() {  
    global $bookmark_meta_fields, $post;  
    // Use nonce for verification  
    echo '<input type="hidden" name="custom_meta_box_nonce" value="'.wp_create_nonce(basename(__FILE__)).'" />';  
    // Begin the field table and loop  
    echo '<table class="form-table">';  
    foreach ($bookmark_meta_fields as $field) {  
        // get value of this field if it exists for this post  
        $meta = get_post_meta($post->ID, $field['id'], true);  
        // begin a table row with  
        echo '<tr> 
                <th><label for="'.$field['id'].'">'.$field['label'].'</label></th> 
                <td>';  
                switch($field['type']) {  
                   case 'text':  
                        echo '<input type="text" name="'.$field['id'].'" id="'.$field['id'].'" value="'.$meta.'" size="30" />
                        <br /><span class="description">'.$field['desc'].'</span>';
                        // textarea  
                    break; 
                    case 'textarea':  
                        echo '<textarea name="'.$field['id'].'" id="'.$field['id'].'" cols="60" rows="4">'.$meta.'</textarea> 
                            <br /><span class="description">'.$field['desc'].'</span>';  
                    break;    

                } //end switch  
        echo '</td></tr>';  
    } // end foreach  
    echo '</table>'; // end table  
} 




/*
* SAVE metabox custom_field
*/

add_action('save_post', 'vban_bookmark_metabox_save');

// Save the Data  
function vban_bookmark_metabox_save($post_id) {  

    global $bookmark_meta_fields;  
    // verify nonce  
    if (!wp_verify_nonce($_POST['custom_meta_box_nonce'], basename(__FILE__))) {        
        return $post_id;  
    } 

    // check autosave  
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
         return $post_id;
    }

    // check permissions  
    if ('vbanBookmarks' == $_POST['post_type']) {  
        if (!current_user_can('edit_bookmark', $post_id))
            return $post_id;  
        } elseif (!current_user_can('edit_post', $post_id)) {
            return $post_id;  
        }
    // loop through fields and save the data  
    foreach ($bookmark_meta_fields as $field) {  

        $old = get_post_meta($post_id, $field['id'], true);  
        $new = $_POST[$field['id']];  
        if ($new && $new != $old) {  
            update_post_meta($post_id, $field['id'], $new);  
        } elseif ('' == $new && $old) {  
            delete_post_meta($post_id, $field['id'], $old);  
        }  
    } // end foreach  
}  
?>