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@adkorte /adbox.php
Last active Apr 9, 2016

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Ad Box: Simple way to mark your WordPress posts as ads with one click in your editor
<?php
/** Ad Box **/
/** Author: Adrian Korte, @adkorte **/
/** add this snippet to your functions.php **/
// add a meta box to your edit/new post screen
add_action( 'add_meta_boxes', 'meta_ad_box_add' );
function meta_ad_box_add()
{
// name and define box and it's appearance
add_meta_box( 'ad-box-id', 'Werbung', 'meta_ad_box', 'post', 'side', 'high' );
}
function meta_ad_box($post)
{
// $post is already set, and contains an object: the WordPress post
global $post;
// check if value is set
$values = get_post_custom( $post->ID );
$check = isset( $values['meta_ad_box_check'] ) ? esc_attr($values['meta_ad_box_check'][0]) : '';
// We'll use this nonce field later on when saving.
wp_nonce_field( 'meta_ad_box_nonce', 'meta_ad_box_noncename' );
// Show checkbox on screen
echo (
'<input type="checkbox" id="meta_ad_box_check" name="meta_ad_box_check"'. checked($check, 'on', false) .'/>'.
'<label for="meta_ad_box_check">Bei diesem Beitrag handelt es sich um Werbung</label>'
);
}
// save values in database
add_action( 'save_post', 'meta_ad_box_save' );
function meta_ad_box_save( $post_id )
{
// enable autosave
if( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;
// if our nonce isn't there, or we can't verify it, bail
if( !isset( $_POST['meta_ad_box_noncename'] ) || !wp_verify_nonce( $_POST['meta_ad_box_noncename'], 'meta_ad_box_nonce' ) ) return;
// if our current user can't edit this post, bail
if( !current_user_can( 'edit_post' ) ) return;
// get value of checkbox
$chk = isset( $_POST['meta_ad_box_check'] ) ? 'on' : 'off';
// save value to database, as post_meta
update_post_meta( $post_id, 'meta_ad_box_check', $chk );
}
?>
<?php
/** Call your ad note within your content page **/
/** Use this snippet in your content template files, within the loop **/
// get value for meta_box
$adbutton = get_post_meta( get_the_ID(), 'meta_ad_box_check', true );
// If value is 'on', show hint
if ( $adbutton == 'on' ) {
echo "Werbung";
}
?>
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