WordPress at a glance
function is not described

MO::export() public WP 1.0

{} It's a method of the class: MO{}

No Hooks.

Return

String|false. Null. Nothing.

Usage

$MO = new MO();
$MO->export();

Code of MO::export() WP 5.7

<?php
function export() {
	$tmp_fh = fopen( 'php://temp', 'r+' );
	if ( ! $tmp_fh ) {
		return false;
	}
	$this->export_to_file_handle( $tmp_fh );
	rewind( $tmp_fh );
	return stream_get_contents( $tmp_fh );
}