February 12, 2011 
Definition:
function get_post_field( $field, $post, $context = 'display' ) {}
Retrieve data from a post field based on Post ID.
Examples of the post field will be, ‘post_type’, ‘post_status’, ‘post_content’, etc and based off of the post object property or key names.
Parameters
- string $field: Post field name
- id $post: Post ID
- string $context: Optional. How to filter the field. Default is display.
Return values
returns:Value in post field or WP_Error on failure
Source code
function get_post_field( $field, $post, $context = 'display' ) {
$post = (int) $post;
$post = get_post( $post );
if ( is_wp_error($post) )
return $post;
if ( !is_object($post) )
return '';
if ( !isset($post->$field) )
return '';
return sanitize_post_field($field, $post->$field, $post->ID, $context);
}
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