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<?php
/**
* Attachment Data Extra fields
*
* @package PowerPack
*/
if ( ! class_exists( 'PP_Attachment' ) ) {
/**
* Class PP_Attachment.
*/
class PP_Attachment {
/**
* Constructor function that initializes required actions and hooks
*
* @since 1.0
*/
public function __construct() {
add_filter( 'attachment_fields_to_edit', array( $this, 'custom_attachment_field_link' ), 10, 2 );
add_filter( 'attachment_fields_to_save', array( $this, 'custom_attachment_field_link_save' ), 10, 2 );
}
/**
* Add Custom Link field to media uploader
*
* @param array $form_fields fields to include in attachment form.
* @param object $post attachment record in database.
* @return aaray $form_fields modified form fields
*/
public function custom_attachment_field_link( $form_fields, $post ) {
$form_fields['pp-custom-link'] = array(
'label' => __( 'PP - Custom Link', 'powerpack' ),
'input' => 'text',
'value' => get_post_meta( $post->ID, 'pp-custom-link', true ),
);
return $form_fields;
}
/**
* Save values of Custom Link field in media uploader
*
* @param array $post the post data for database.
* @param array $attachment attachment fields from $_POST form.
* @return array $post modified post data.
*/
public function custom_attachment_field_link_save( $post, $attachment ) {
if ( isset( $attachment['pp-custom-link'] ) ) {
update_post_meta( $post['ID'], 'pp-custom-link', $attachment['pp-custom-link'] );
}
return $post;
}
}
new PP_Attachment();
}