I am trying to make a metabox class, everything is ok in my function method but my save method in my class dont work, someone please give me a solution where is the problem in my save function ? my code is given bellow
<?php
if ( ! class_exists( 'Metabox_Library') ) :
/**
* All Types Meta Box class.
*
* @package All Types Meta Box
* @since 1.0
*
* @todo Nothing.
*/
class Metabox_Library
{
/**
* Holds meta box object
*
* @var object
* @access protected
*/
protected $meta_box;
/**
* Holds meta box fields.
*
* @var array
* @access protected
*/
protected $_prefix;
/**
* Holds Prefix for meta box fields.
*
* @var array
* @access protected
*/
public $fields = array();
/**
* Use local images.
*
* @var bool
* @access protected
*/
/**
* $field_types holds used field types
* @var array
* @access public
* @since 2.9.7
*/
public $field_types = array();
public function __construct($metabox,$meta_fields) {
// Assign meta box values to local variables and add it's missed values.
$this->meta_box = $metabox;
$this->prefix = (isset($metabox['prefix'])) ? $metabox['prefix'] : '';
$this->fields = $meta_fields;
foreach ($this->fields as $field) {
$this->field_types = $field['type'];
}
// If we are not in admin area exit.
if ( ! is_admin() )
return;
// Add metaboxes
add_action( 'add_meta_boxes', array( $this, 'add_metabox' ) );
add_action('save_post', array($this, 'save_custom_meta'));
// Must enqueue for all pages as we need js for the media upload, too.
if ($this->is_edit_page()) {
add_action( 'admin_enqueue_scripts', array( $this, 'load_scripts' ) );
add_action( 'admin_head', array($this,'add_custom_scripts'));
}
}
public function fields_type() {
foreach ($this->fields as $field) {
$this->field_types = $field['type'];
}
}
public function add_metabox($postType) {
if (in_array($postType, $this->meta_box['pages'])) {
add_meta_box( $this->meta_box['id'], $this->meta_box['title'], array( $this, 'show_fields' ),$postType, $this->meta_box['context'], $this->meta_box['priority'] );
}
}
public function show_fields() {
global $post;
$fields = $this->fields;
// Use nonce for verification
echo '<input type="hidden" id="custom_meta_box_nonce" name="custom_meta_box_nonce" value="'.wp_create_nonce(basename(__FILE__)).'" />';
// Begin the field table and loop
echo '<table class="form-table">';
if (is_array($fields) || is_object($fields)) {
foreach ($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']) {
// text
case 'text':
echo '<input type="text" name="'.$field['id'].'" id="'.$field['id'].'" value="'.$meta.'" size="30" />
<br /><span class="description">'.$field['desc'].'</span>';
break;
// textarea
case 'textarea':
echo '<textarea name="'.$field['id'].'" id="'.$field['id'].'" cols="60" rows="4">'.$meta.'</textarea>
<br /><span class="description">'.$field['desc'].'</span>';
break;
// select
case 'select':
echo '<select name="'.$field['id'].'" id="'.$field['id'].'">';
foreach ($field['options'] as $option) {
echo '<option', $meta == $option['value'] ? ' selected="selected"' : '', ' value="'.$option['value'].'">'.$option['label'].'</option>';
}
echo '</select><br /><span class="description">'.$field['desc'].'</span>';
break;
// checkbox
case 'checkbox':
echo '<input type="checkbox" name="'.$field['id'].'" id="'.$field['id'].'" ',$meta ? ' checked="checked"' : '','/>
<label for="'.$field['id'].'">'.$field['desc'].'</label>';
break;
// radio
case 'radio':
foreach ( $field['options'] as $option ) {
echo '<input type="radio" name="'.$field['id'].'" id="'.$option['value'].'" value="'.$option['value'].'" ',$meta == $option['value'] ? ' checked="checked"' : '',' />
<label for="'.$option['value'].'">'.$option['label'].'</label><br />';
}
break;
// checkbox_group
case 'checkbox_group':
foreach ($field['options'] as $option) {
echo '<input type="checkbox" value="'.$option['value'].'" name="'.$field['id'].'[]" id="'.$option['value'].'"',$meta && in_array($option['value'], $meta) ? ' checked="checked"' : '',' />
<label for="'.$option['value'].'">'.$option['label'].'</label><br />';
}
echo '<span class="description">'.$field['desc'].'</span>';
break;
// tax_select
case 'tax_select':
echo '<select name="'.$field['id'].'" id="'.$field['id'].'">
<option value="">Select One</option>'; // Select One
$terms = get_terms($field['id'], 'get=all');
$selected = wp_get_object_terms($post->ID, $field['id']);
foreach ($terms as $term) {
if (!empty($selected) && !strcmp($term->slug, $selected[0]->slug))
echo '<option value="'.$term->slug.'" selected="selected">'.$term->name.'</option>';
else
echo '<option value="'.$term->slug.'">'.$term->name.'</option>';
}
$taxonomy = get_taxonomy($field['id']);
echo '</select><br /><span class="description"><a href="'.get_bloginfo('url').'/wp-admin/edit-tags.php?taxonomy='.$field['id'].'">Manage '.$taxonomy->label.'</a></span>';
break;
} //end switch
echo '</td></tr>';
}
}// end foreach
echo '</table>'; // end table
}
public function save_custom_meta($post_id) {
global $post_id;
// verify nonce
if (!wp_verify_nonce($_POST['custom_meta_box_nonce'], basename(__FILE__)))
return $post_id;
// check autosave
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)
return $post_id;
// check permissions
if (isset($_POST['page']) == isset($_POST['post_type'])) {
if (!current_user_can('edit_page', $post_id))
return $post_id;
} elseif (!current_user_can('edit_post', $post_id)) {
return $post_id;
}
// loop through fields and save the data
foreach ($this->fields as $field) {
$old = get_post_meta($post_id, $field['id'], true);
$new = isset($_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'], $old);
}
} // end foreach
if($field['type'] == 'tax_select') continue;
// save taxonomies
$post = get_post($post_id);
$category = $_POST['category'];
wp_set_object_terms( $post_id, $category, 'category' );
}
/**
* Check if current page is edit page.
*
* @since 1.0
* @access public
*/
public function is_edit_page() {
global $pagenow;
return in_array( $pagenow, array( 'post.php', 'post-new.php' ) );
}
}
// End Class
endif; // End Check Class Exists
via Chebli Mohamed
