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// valid outside the loop
$page_object = get_queried_object();
$page_id     = get_queried_object_id();


$ID = get_the_ID(); //get the post ID 

$post = get_post( $ID )->post_content; // default is post object
// var_dump( get_post( $post->post_content ) );

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/*
    fallback order:
    use post thumbnail(featured post) if available, otherwise
    use first attachment image if available, otherwise
    use first image link if available, otherwise
    stay blank...
*/

// inside a loop

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// redirect to somewhere else if calling path is not valid(as expected)

$protocol = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
DEFINE('HTTP_ROOT', $_SERVER['HTTP_HOST']);
$path_arr = explode("/", $_SERVER['REQUEST_URI']);
$url_chk = in_array("path-name", $path_arr);
$location = $protocol . HTTP_ROOT . '/somewhere-to-redirect/';
if( !$url_chk ) header("Location: $location");

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<link rel="import" href="../topeka-elements/category-images.html">
<link rel="import" href="../core-icon/core-icon.html">
<link rel="import" href="../core-icons/core-icons.html">
<link rel="import" href="../core-icons/av-icons.html">
<link rel="import" href="../paper-fab/paper-fab.html">
<link rel="import" href="../paper-calculator/paper-calculator.html">

<polymer-element name="my-element">

  <template>

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/*
    Purpose: Remove Wordpress Update Message under Admin Bar(Top Menu Bar)
    Version Tested: 3.6
    Reference: 
    http://www.wpbeginner.com/wp-tutorials/how-to-hide-the-wordpress-upgrade-message-in-the-dashboard/
    http://codex.wordpress.org/Plugin_API/Action_Reference/admin_notices
*/

function wp_custom_admin_hide_update() {
    remove_action( 'admin_notices', 'update_nag', 3 );

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/*
    Purpose: Remove edit field in post edit page, example is "title" and "editor"
    Version Tested: 3.8
    Original Reference: 
    http://wordpress.org/support/topic/remove-title-and-edit-box-from-edit-post-screen?replies=6
*/

function wp_remove_input_field()
{
     remove_post_type_support('post', 'title');

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/*
    Purpose: Disable metabox dragging order save to DB
    Version Tested: 3.8
    Original Reference: 
    1 http://wordpress.stackexchange.com/questions/2025/removing-metabox-for-slug-without-removing-functionality
    2 http://wordpress.stackexchange.com/questions/2474/disable-dragging-of-meta-boxes
    3 http://stackoverflow.com/questions/3399851/how-do-i-stop-wordpress-dashboard-widgets-from-being-dragged/3477209#3477209
*/

function wp_prevent_meta_box_order_save($action)

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/*
    Purpose: modify text, it modify the output from the translated text pool
    Version Tested: 3.8
    Original Reference: 
    http://botcrawl.com/how-to-change-the-posts-menu-title-to-articles-in-the-wordpress-dashboard/
*/


function change_post_to_article($translated) {
   $translated = str_ireplace('Post', 'Article', $translated);

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/*
   Version Tested: 3.6, 3.8
*/

/* Display custom column */
function display_posts_stickiness( $column, $post_id ) {
    the_author();
}
add_action( 'manage_posts_custom_column' , 'display_posts_stickiness', 10, 2 );

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/*
	top admin toolbar aka admin bar
	remove unnecessary admin toolbar items
	Version Tested: 3.6, 3.8
	Reference:
	http://wordpress.stackexchange.com/questions/47824/modify-admin-bar-link
*/
function custom_admin_bar_link() {
	global $wp_admin_bar;