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Make the $post param optional in get_post_field().

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When `$post` is `null`, the current post object will be returned.

Props sebastian.pisula.
Fixes #35683.

git-svn-id: https://develop.svn.wordpress.org/trunk@36481 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges 2016-02-05 18:57:09 +00:00
parent ef99ae21be
commit 2c73fd9531
1 changed files with 3 additions and 2 deletions
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5
src/wp-includes/post.php
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@ -494,16 +494,17 @@ function get_post_ancestors( $post ) {
* supported values are found within those functions. * supported values are found within those functions.
* *
* @since 2.3.0 * @since 2.3.0
* @since 4.5.0 The `$post` parameter was made optional.
* *
* @see sanitize_post_field() * @see sanitize_post_field()
* *
* @param string $field Post field name. * @param string $field Post field name.
* @param int|WP_Post $post Post ID or post object. * @param int|WP_Post $post Optional. Post ID or post object. Defaults to current post.
* @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db', * @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db',
* or 'display'. Default 'display'. * or 'display'. Default 'display'.
* @return string The value of the post field on success, empty string on failure. * @return string The value of the post field on success, empty string on failure.
*/ */
function get_post_field( $field, $post, $context = 'display' ) { function get_post_field( $field, $post = null, $context = 'display' ) {
$post = get_post( $post ); $post = get_post( $post );
if ( !$post ) if ( !$post )