wp_cache_post_id()WPSCache 1.0

No Hooks.

Return

null. Nothing.

Usage

wp_cache_post_id();

Code of wp_cache_post_id() WPSCache 1.8

function wp_cache_post_id() {
	global $posts, $comment_post_ID, $post_ID;
	// We try hard all options. More frequent first.
	if ( $post_ID > 0 ) {
		return $post_ID;
	}
	if ( $comment_post_ID > 0 ) {
		return $comment_post_ID;
	}
	if ( is_singular() && ! empty( $posts ) ) {
		return $posts[0]->ID;
	}
	if ( isset( $_GET['p'] ) && $_GET['p'] > 0 ) {
		return $_GET['p'];
	}
	if ( isset( $_POST['p'] ) && $_POST['p'] > 0 ) {
		return $_POST['p'];
	}
	return 0;
}