Display all post meta keys and meta values of the same post ID in wordpress

2 Views

I’m trying to display post meta values and post meta keys, If only one value is to be display I can used the simple function get_post_meta() but what I need now is to post all post meta data with the same post_id. I tried using foreach loop but nothing displays. Can you please check my code? 

function wpt_calendar_display()
{
    global $post;

    $columns = array(
        'date_event' => 'Date',
        'name_event' => 'Event'
    );
    register_column_headers('list-header_events', $columns);

    $event_name = get_post_meta( $post->ID, '_event_name' );
   // $event_date = get_post_meta( $post->ID, '_event_date', false );

    $return .= "<table class="widefat">";
    $return .= "<tr>";
    $return .= print_column_headers('list-header_events');
    $return .= "</tr>";
    $return .= "<tr>";

    if (!empty($event_name))
    foreach($event_name as $e_name)
    {
        $return .= "<td>";
        $return .= $e_name;
        $return .="</td>";
      
    }

    $return .= "<td>";
    
    $return .= "</td>";
    $return .= "</tr>";
    $return .= "</table>";
    return $return;
}
Post Views: 2

Related posts

Leave a Reply

6 comments

  1. Default Usage

    Get the meta for all keys:

    <?php $meta = get_post_meta($post_id); ?>

    Get the meta for a single key:

    <?php $key_1_values = get_post_meta( 76, 'key_1' ); ?>

    for example:

    $myvals = get_post_meta($post_id);

foreach($myvals as $key=>$val)
{
    echo $key . ' : ' . $val[0] . '<br/>';
}

    Note: some unwanted meta keys starting with “underscore(_)” will also come, so you will need to filter them out.

    For reference: See Codex

  3. $myvals = get_post_meta( get_the_ID());
foreach($myvals as $key=>$val){
  foreach($val as $vals){
    if ($key=='Youtube'){
       echo $vals 
    }
   }
 }

    Key = Youtube videos all meta keys for youtube videos and value

  4. As of Jan 2020 and WordPress v5.3.2, I confirm the following works fine.

    It will include the field keys with their equivalent underscore keys as well, but I guess if you properly “enum” your keys in your code, that should be no problem:

    $meta_values   = get_post_meta( get_the_ID() );
$example_field = meta_values['example_field_key'][0];

//OR if you do enum style 
//(emulation of a class with a list of *const* as enum does not exist in PHP per se)
$example_field = meta_values[PostTypeEnum::FIELD_EXAMPLE_KEY][0];

    As the print_r(meta_values); gives:

    Array
(
    [_edit_lock] => Array
        (
            [0] => 1579542560:1
        )

    [_edit_last] => Array
        (
            [0] => 1
        )

    [example_field] => Array
        (
            [0] => 13
        )
)

    Hope that helps someone, go make a ruckus!

  5. I use it in form of a meta box. Here is a function that dumps values of all the meta data for post.

        function dump_all_meta(){

        echo "<h3>All Post Meta</h3>";

        // Get all the data.
        $getPostCustom=get_post_custom();


        foreach( $getPostCustom as $name=>$value ) {

            echo "<strong>".$name."</strong>"."  =>  ";

            foreach($getPostCustom as $name=>$value) {

        echo "<strong>".$name."</strong>"."  =>  ";

        foreach($value as $nameAr=>$valueAr) {
                echo "<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
                echo $nameAr."  =>  ";
                echo var_dump($valueAr);
        }

        echo "<br /><br />";

        }
    } // Callback funtion ended.

    Hope it helps. You can use it inside a meta box or at the front-end.