_wp_get_allowed_postdata( array|WP_Error|null $post_data = null )

Returns only allowed post data fields.

Parameters

$post_data

(Optional) The array of post data to process, or an error object.<br> Defaults to the $_POST superglobal.

Default value: null

Return

(array|WP_Error) Array of post data on success, WP_Error on failure.

Source

File: wp-admin/includes/post.php 

function _wp_get_allowed_postdata( $post_data = null ) {
	if ( empty( $post_data ) ) {
		$post_data = $_POST;
	}

	// Pass through errors
	if ( is_wp_error( $post_data ) ) {
		return $post_data;
	}

	return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
}

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Changelog

Changelog
Version Description
5.0.1 Introduced.