Gets a post revision.

Parameters

$postint|WP_Postrequired

Post ID or post object.

$outputstringoptional

The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to a WP_Post object, an associative array, or a numeric array, respectively.

Default:OBJECT

$filterstringoptional

Optional sanitization filter. See sanitize_post() . Default 'raw'.

Default:'raw'

Return

Source

function wp_get_post_revision( &$post, $output = OBJECT, $filter = 'raw' ) {
	$revision = get_post( $post, OBJECT, $filter );

	if ( ! $revision ) {
		return $revision;
	}

	if ( 'revision' !== $revision->post_type ) {
		return null;
	}

	if ( OBJECT === $output ) {
		return $revision;
	} elseif ( ARRAY_A === $output ) {
		$_revision = get_object_vars( $revision );
		return $_revision;
	} elseif ( ARRAY_N === $output ) {
		$_revision = array_values( get_object_vars( $revision ) );
		return $_revision;
	}

	return $revision;
}

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