get_post( int|WP_Post|null $post = null, string $output = OBJECT, string $filter = ‘raw’ ): WP_Post|array|null

Retrieves post data given a post ID or post object.

Description

See sanitize_post() for optional $filter values. Also, the parameter $post, must be given as a variable, since it is passed by reference.

Parameters

$postint|WP_Post|nulloptional
Post ID or post object. null, false, 0 and other PHP falsey values return the current global post inside the loop. A numerically valid post ID that points to a non-existent post returns null. Defaults to global $post.

Default:null

$outputstringoptional
The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to a WP_Post object, an associative array, or a numeric array, respectively.

Default:OBJECT

$filterstringoptional
Type of filter to apply. Accepts 'raw', 'edit', 'db', or 'display'. Default 'raw'.

Default:'raw'

Return

WP_Post|array|null Type corresponding to $output on success or null on failure.
When $output is OBJECT, a WP_Post instance is returned.

Source

function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
	if ( empty( $post ) && isset( $GLOBALS['post'] ) ) {
		$post = $GLOBALS['post'];
	}

	if ( $post instanceof WP_Post ) {
		$_post = $post;
	} elseif ( is_object( $post ) ) {
		if ( empty( $post->filter ) ) {
			$_post = sanitize_post( $post, 'raw' );
			$_post = new WP_Post( $_post );
		} elseif ( 'raw' === $post->filter ) {
			$_post = new WP_Post( $post );
		} else {
			$_post = WP_Post::get_instance( $post->ID );
		}
	} else {
		$_post = WP_Post::get_instance( $post );
	}

	if ( ! $_post ) {
		return null;
	}

	$_post = $_post->filter( $filter );

	if ( ARRAY_A === $output ) {
		return $_post->to_array();
	} elseif ( ARRAY_N === $output ) {
		return array_values( $_post->to_array() );
	}

	return $_post;
}

Changelog

VersionDescription
1.5.1Introduced.

User Contributed Notes

  1. Skip to note 9 content

    For reference, WP_Post OBJECT contains following fields:

    WP_Post Object
    (
        [ID] =>
        [post_author] =>
        [post_date] => 
        [post_date_gmt] => 
        [post_content] => 
        [post_title] => 
        [post_excerpt] => 
        [post_status] =>
        [comment_status] =>
        [ping_status] => 
        [post_password] => 
        [post_name] =>
        [to_ping] => 
        [pinged] => 
        [post_modified] => 
        [post_modified_gmt] =>
        [post_content_filtered] => 
        [post_parent] => 
        [guid] => 
        [menu_order] =>
        [post_type] =>
        [post_mime_type] => 
        [comment_count] =>
        [filter] =>
    )
  2. Skip to note 14 content

    For Reference : WP_Post Object has following properties, which are returned by get_post() .

    Member Variable Variable Type 	Notes
    ID 	        int 	The ID of the post
    post_author 	string 	The post author's user ID (numeric string)
    post_name 	string 	The post's slug
    post_type 	string 	See Post Types
    post_title 	string 	The title of the post
    post_date 	string 	Format: 0000-00-00 00:00:00
    post_date_gmt 	string 	Format: 0000-00-00 00:00:00
    post_content 	string 	The full content of the post
    post_excerpt 	string 	User-defined post excerpt
    post_status 	string 	See get_post_status for values
    comment_status 	string 	Returns: { open, closed }
    ping_status 	string 	Returns: { open, closed }
    post_password 	string 	Returns empty string if no password
    post_parent 	int 	Parent Post ID (default 0)
    post_modified 	string 	Format: 0000-00-00 00:00:00
    post_modified_gmt 	string 	Format: 0000-00-00 00:00:00
    comment_count 	string 	Number of comments on post (numeric string)
    menu_order 	string 	Order value as set through page-attribute when enabled (numeric string. Defaults to 0) 
  3. Skip to note 16 content

    If you have a shortcode in the content you should use:

    $post = get_post( 4304,ARRAY_A );
    $output =  do_shortcode($post['post_content']);

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