NESTEDبا اضافه کردن این قطعه به functions.php قالب سه metaboxes که شامل "تاریخ شروع، تاریخ پایان، محل سکونت" در قسمت افزوندن نوشته اضافه کنید.
(تصویر نمونه)
function ep_eventposts_metaboxes() {
add_meta_box( 'ept_event_date_start', 'Start Date and Time', 'ept_event_date', 'event', 'side', 'default', array( 'id' => '_start') );
add_meta_box( 'ept_event_date_end', 'End Date and Time', 'ept_event_date', 'event', 'side', 'default', array('id'=>'_end') );
add_meta_box( 'ept_event_location', 'Event Location', 'ept_event_location', 'event', 'side', 'default', array('id'=>'_end') );
}
add_action( 'admin_init', 'ep_eventposts_metaboxes' );
// Metabox HTML
function ept_event_date($post, $args) {
$metabox_id = $args['args']['id'];
global $post, $wp_locale;
// Use nonce for verification
wp_nonce_field( plugin_basename( __FILE__ ), 'ep_eventposts_nonce' );
$time_adj = current_time( 'timestamp' );
$month = get_post_meta( $post->ID, $metabox_id . '_month', true );
if ( empty( $month ) ) {
$month = gmdate( 'm', $time_adj );
}
$day = get_post_meta( $post->ID, $metabox_id . '_day', true );
if ( empty( $day ) ) {
$day = gmdate( 'd', $time_adj );
}
$year = get_post_meta( $post->ID, $metabox_id . '_year', true );
if ( empty( $year ) ) {
$year = gmdate( 'Y', $time_adj );
}
$hour = get_post_meta($post->ID, $metabox_id . '_hour', true);
if ( empty($hour) ) {
$hour = gmdate( 'H', $time_adj );
}
$min = get_post_meta($post->ID, $metabox_id . '_minute', true);
if ( empty($min) ) {
$min = '00';
}
$month_s = '<select name="' . $metabox_id . '_month">';
for ( $i = 1; $i < 13; $i = $i +1 ) {
$month_s .= "\t\t\t" . '<option value="' . zeroise( $i, 2 ) . '"';
if ( $i == $month )
$month_s .= ' selected="selected"';
$month_s .= '>' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) ) . "</option>\n";
}
$month_s .= '</select>';
echo $month_s;
echo '<input type="text" name="' . $metabox_id . '_day" value="' . $day . '" size="2" maxlength="2" />';
echo '<input type="text" name="' . $metabox_id . '_year" value="' . $year . '" size="4" maxlength="4" /> @ ';
echo '<input type="text" name="' . $metabox_id . '_hour" value="' . $hour . '" size="2" maxlength="2"/>:';
echo '<input type="text" name="' . $metabox_id . '_minute" value="' . $min . '" size="2" maxlength="2" />';
}
function ept_event_location() {
global $post;
// Use nonce for verification
wp_nonce_field( plugin_basename( __FILE__ ), 'ep_eventposts_nonce' );
// The metabox HTML
$event_location = get_post_meta( $post->ID, '_event_location', true );
echo '<label for="_event_location">Location:</label>';
echo '<input type="text" name="_event_location" value="' . $event_location . '" />';
}
// Save the Metabox Data
function ep_eventposts_save_meta( $post_id, $post ) {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
return;
if ( !isset( $_POST['ep_eventposts_nonce'] ) )
return;
if ( !wp_verify_nonce( $_POST['ep_eventposts_nonce'], plugin_basename( __FILE__ ) ) )
return;
// Is the user allowed to edit the post or page?
if ( !current_user_can( 'edit_post', $post->ID ) )
return;
// OK, we're authenticated: we need to find and save the data
// We'll put it into an array to make it easier to loop though
$metabox_ids = array( '_start', '_end' );
foreach ($metabox_ids as $key ) {
$events_meta[$key . '_month'] = $_POST[$key . '_month'];
$events_meta[$key . '_day'] = $_POST[$key . '_day'];
if($_POST[$key . '_hour']<10){
$events_meta[$key . '_hour'] = '0'.$_POST[$key . '_hour'];
} else {
$events_meta[$key . '_hour'] = $_POST[$key . '_hour'];
}
$events_meta[$key . '_year'] = $_POST[$key . '_year'];
$events_meta[$key . '_hour'] = $_POST[$key . '_hour'];
$events_meta[$key . '_minute'] = $_POST[$key . '_minute'];
$events_meta[$key . '_eventtimestamp'] = $events_meta[$key . '_year'] . $events_meta[$key . '_month'] . $events_meta[$key . '_day'] . $events_meta[$key . '_hour'] . $events_meta[$key . '_minute'];
}
// Add values of $events_meta as custom fields
foreach ( $events_meta as $key => $value ) { // Cycle through the $events_meta array!
if ( $post->post_type == 'revision' ) return; // Don't store custom data twice
$value = implode( ',', (array)$value ); // If $value is an array, make it a CSV (unlikely)
if ( get_post_meta( $post->ID, $key, FALSE ) ) { // If the custom field already has a value
update_post_meta( $post->ID, $key, $value );
} else { // If the custom field doesn't have a value
add_post_meta( $post->ID, $key, $value );
}
if ( !$value ) delete_post_meta( $post->ID, $key ); // Delete if blank
}
}
add_action( 'save_post', 'ep_eventposts_save_meta', 1, 2 );
/**
* Helpers to display the date on the front end
*/
// Get the Month Abbreviation
function eventposttype_get_the_month_abbr($month) {
global $wp_locale;
for ( $i = 1; $i < 13; $i = $i +1 ) {
if ( $i == $month )
$monthabbr = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
}
return $monthabbr;
}
// Display the date
function eventposttype_get_the_event_date() {
global $post;
$eventdate = '';
$month = get_post_meta($post->ID, '_month', true);
$eventdate = eventposttype_get_the_month_abbr($month);
$eventdate .= ' ' . get_post_meta($post->ID, '_day', true) . ',';
$eventdate .= ' ' . get_post_meta($post->ID, '_year', true);
$eventdate .= ' at ' . get_post_meta($post->ID, '_hour', true);
$eventdate .= ':' . get_post_meta($post->ID, '_minute', true);
echo $eventdate;
}
GeniusBoy
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