events_metabox
class Events_Meta_Box {
public function __construct() {
if ( is_admin() ) {
add_action( 'load-post.php', array( $this, 'init_metabox' ) );
add_action( 'load-post-new.php', array( $this, 'init_metabox' ) );
}
}
public function init_metabox() {
add_action( 'add_meta_boxes', array( $this, 'add_metabox' ) );
add_action( 'save_post', array( $this, 'save_metabox' ), 10, 2 );
}
public function add_metabox() {
add_meta_box(
'events',
__( 'Events', 'text_domain' ),
array( $this, 'render__events_metabox' ),
'events',
'normal',
'core'
);
}
public function render__events_metabox( $post ) {
// Add nonce for security and authentication.
wp_nonce_field( 'ev_nonce_action', 'ev_nonce' );
// Retrieve an existing value from the database.
$ev_start_time = get_post_meta( $post->ID, 'ev_start_time', true );
$ev_end_time = get_post_meta( $post->ID, 'ev_end_time', true );
$ev_event_email = get_post_meta( $post->ID, 'ev_event_email', true );
$ev_event_url = get_post_meta( $post->ID, 'ev_event_url', true );
$ev_room_number = get_post_meta( $post->ID, 'ev_room_number', true );
$ev_event_fee = get_post_meta( $post->ID, 'ev_event_fee', true );
$ev_rsvp_url = get_post_meta( $post->ID, 'ev_rsvp_url', true );
$ev_organizer_name = get_post_meta( $post->ID, 'ev_organizer_name', true );
$ev_organizer_url = get_post_meta( $post->ID, 'ev_organizer_url', true );
// Set default values.
if( empty( $ev_start_time ) ) $ev_start_time = '';
if( empty( $ev_end_time ) ) $ev_end_time = '';
if( empty( $ev_event_email ) ) $ev_event_email = '';
if( empty( $ev_event_url ) ) $ev_event_url = '';
if( empty( $ev_room_number ) ) $ev_room_number = '';
if( empty( $ev_event_fee ) ) $ev_event_fee = '';
if( empty( $ev_rsvp_url ) ) $ev_rsvp_url = '';
if( empty( $ev_organizer_name ) ) $ev_organizer_name = '';
if( empty( $ev_organizer_url ) ) $ev_organizer_url = '';
// Form fields.
echo '<table class="form-table">';
echo ' <tr>';
echo ' <th><label for="ev_start_time" class="ev_start_time_label">' . __( 'Event Start Time', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="date" id="ev_start_time" name="ev_start_time" class="ev_start_time_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_start_time ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_end_time" class="ev_end_time_label">' . __( 'Event End Time', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="date" id="ev_end_time" name="ev_end_time" class="ev_end_time_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_end_time ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_event_email" class="ev_event_email_label">' . __( 'Event Email', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="email" id="ev_event_email" name="ev_event_email" class="ev_event_email_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_event_email ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_event_url" class="ev_event_url_label">' . __( 'Event URL', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="url" id="ev_event_url" name="ev_event_url" class="ev_event_url_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_event_url ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_room_number" class="ev_room_number_label">' . __( 'Room Number', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="text" id="ev_room_number" name="ev_room_number" class="ev_room_number_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_room_number ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_event_fee" class="ev_event_fee_label">' . __( 'Event Fee', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="text" id="ev_event_fee" name="ev_event_fee" class="ev_event_fee_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_event_fee ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_rsvp_url" class="ev_rsvp_url_label">' . __( 'Event RSVP URL', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="url" id="ev_rsvp_url" name="ev_rsvp_url" class="ev_rsvp_url_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_rsvp_url ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_organizer_name" class="ev_organizer_name_label">' . __( 'Organizer Name', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="text" id="ev_organizer_name" name="ev_organizer_name" class="ev_organizer_name_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_organizer_name ) . '">';
echo ' </td>';
echo ' </tr>';
echo ' <tr>';
echo ' <th><label for="ev_organizer_url" class="ev_organizer_url_label">' . __( 'Organizer URL', 'text_domain' ) . '</label></th>';
echo ' <td>';
echo ' <input type="url" id="ev_organizer_url" name="ev_organizer_url" class="ev_organizer_url_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $ev_organizer_url ) . '">';
echo ' </td>';
echo ' </tr>';
echo '</table>';
}
public function save_metabox( $post_id, $post ) {
// Add nonce for security and authentication.
$nonce_name = isset( $_POST['ev_nonce'] ) ? $_POST['ev_nonce'] : '';
$nonce_action = 'ev_nonce_action';
// Check if a nonce is set.
if ( ! isset( $nonce_name ) )
return;
// Check if a nonce is valid.
if ( ! wp_verify_nonce( $nonce_name, $nonce_action ) )
return;
// Check if it's not an autosave.
if ( wp_is_post_autosave( $post_id ) )
return;
// Sanitize user input.
$ev_new_start_time = isset( $_POST[ 'ev_start_time' ] ) ? sanitize_text_field( $_POST[ 'ev_start_time' ] ) : '';
$ev_new_end_time = isset( $_POST[ 'ev_end_time' ] ) ? sanitize_text_field( $_POST[ 'ev_end_time' ] ) : '';
$ev_new_event_email = isset( $_POST[ 'ev_event_email' ] ) ? sanitize_email( $_POST[ 'ev_event_email' ] ) : '';
$ev_new_event_url = isset( $_POST[ 'ev_event_url' ] ) ? esc_url( $_POST[ 'ev_event_url' ] ) : '';
$ev_new_room_number = isset( $_POST[ 'ev_room_number' ] ) ? sanitize_text_field( $_POST[ 'ev_room_number' ] ) : '';
$ev_new_event_fee = isset( $_POST[ 'ev_event_fee' ] ) ? sanitize_text_field( $_POST[ 'ev_event_fee' ] ) : '';
$ev_new_rsvp_url = isset( $_POST[ 'ev_rsvp_url' ] ) ? esc_url( $_POST[ 'ev_rsvp_url' ] ) : '';
$ev_new_organizer_name = isset( $_POST[ 'ev_organizer_name' ] ) ? sanitize_text_field( $_POST[ 'ev_organizer_name' ] ) : '';
$ev_new_organizer_url = isset( $_POST[ 'ev_organizer_url' ] ) ? esc_url( $_POST[ 'ev_organizer_url' ] ) : '';
// Update the meta field in the database.
update_post_meta( $post_id, 'ev_start_time', $ev_new_start_time );
update_post_meta( $post_id, 'ev_end_time', $ev_new_end_time );
update_post_meta( $post_id, 'ev_event_email', $ev_new_event_email );
update_post_meta( $post_id, 'ev_event_url', $ev_new_event_url );
update_post_meta( $post_id, 'ev_room_number', $ev_new_room_number );
update_post_meta( $post_id, 'ev_event_fee', $ev_new_event_fee );
update_post_meta( $post_id, 'ev_rsvp_url', $ev_new_rsvp_url );
update_post_meta( $post_id, 'ev_organizer_name', $ev_new_organizer_name );
update_post_meta( $post_id, 'ev_organizer_url', $ev_new_organizer_url );
}
}
new Events_Meta_Box;
Jean Felisme