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function is not described

wp_ob_end_flush_all() WP 2.2.0

Flush all output buffers for PHP 5.2.

Make sure all output buffers are flushed before our singletons are destroyed.

No Hooks.

Return

Nothing (null).

Usage

wp_ob_end_flush_all();

Code of wp ob end flush all: wp-includes/functions.php WP 5.2.1

<?php
function wp_ob_end_flush_all() {
	$levels = ob_get_level();
	for ( $i = 0; $i < $levels; $i++ ) {
		ob_end_flush();
	}
}