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_set_preview()

_set_preview( WP_Post $post ): WP_Post|false

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Sets up the post object for preview based on the post autosave.

Parameters

$postWP_Postrequired

Return

WP_Post|false

Source

function _set_preview( $post ) {	if ( ! is_object( $post ) ) {	return $post;	}	$preview = wp_get_post_autosave( $post->ID );	if ( is_object( $preview ) ) {	$preview = sanitize_post( $preview );	$post->post_content = $preview->post_content;	$post->post_title = $preview->post_title;	$post->post_excerpt = $preview->post_excerpt;	}	add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 );	add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 );	add_filter( 'get_post_metadata', '_wp_preview_meta_filter', 10, 4 );	return $post; }

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UsesDescription
sanitize_post()wp-includes/post.php

Sanitizes every post field.

wp_get_post_autosave()wp-includes/revision.php

Retrieves the autosaved data of the specified post.

add_filter()wp-includes/plugin.php

Adds a callback function to a filter hook.

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Changelog

VersionDescription
2.7.0Introduced.

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