_transition_post_status( string $new_status, string $old_status, WP_Post $post )

Hook for managing future post transitions to published.


Description

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See also


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Parameters

$new_status

(string) (Required) New post status.

$old_status

(string) (Required) Previous post status.

$post

(WP_Post) (Required) Post object.


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Source

File: wp-includes/post.php

function _transition_post_status( $new_status, $old_status, $post ) {
	global $wpdb;

	if ( 'publish' !== $old_status && 'publish' === $new_status ) {
		// Reset GUID if transitioning to publish and it is empty.
		if ( '' === get_the_guid( $post->ID ) ) {
			$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
		}

		/**
		 * Fires when a post's status is transitioned from private to published.
		 *
		 * @since 1.5.0
		 * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead.
		 *
		 * @param int $post_id Post ID.
		 */
		do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' );
	}

	// If published posts changed clear the lastpostmodified cache.
	if ( 'publish' === $new_status || 'publish' === $old_status ) {
		foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
			wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' );
			wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' );
			wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' );
		}
	}

	if ( $new_status !== $old_status ) {
		wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' );
		wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' );
	}

	// Always clears the hook in case the post status bounced from future to draft.
	wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) );
}


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Changelog

Changelog
Version Description
2.3.0 Introduced.

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