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I've just started learning PHP/Wordpress yesterday - here is one of my first plugins. Unfortunately, it's not working like it's supposed to - the title doesn't display. What's wrong with my code?

function show_title_on_dashboard() {

    $newest_post_id = $post[0]->ID;

    $title = $newest_post_id->post_title;

    echo "Latest Post: $title";

add_action("admin_notices", "show_title_on_dashboard");
share|improve this question
There is no variable declared $post at that moment, and even if you have access to (and using) the global $post, it's not an array. You need to run a loop to fetch the latest post first and then display the data here. Read more about the loop - codex.wordpress.org/The_Loop – Mario Peshev Nov 11 '12 at 21:29

You're getting there! Couple of issues - you need to actually grab the latest posts before you can work on them. And post_title is not a property of the ID, but the object itself:

if ( $posts = get_posts( 'numberposts=1' ) ) {
    $title = $posts[0]->post_title;
    // carry on sir

Note: Ensure you have define( 'WP_DEBUG', true ) in your wp-config.php when developing on WordPress - it will help immensely with debugging!

share|improve this answer
Fantastic! My first program is now functional - much obliged for the help. Quick ? - why use an if statement to declare the $posts variable? Does it help prevent an error from occurring? – user1787531 Nov 11 '12 at 23:01
Absolutely - if get_posts() fails (for whatever reason), trying to access $posts[0] would throw an "undefined index" notice. – TheDeadMedic Nov 11 '12 at 23:38

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