Hook output

functions.php

<?php

function lbc_hook_check(){
	global $wp_filter;
	
	$tmp_filters = $wp_filter; 
	
	foreach( $tmp_filters as $key => $values ) {
		if( preg_match( '/^lblg/', $key ) ) {
			add_action($key, 'lbc_hook_echo');
		}
	}

}
add_action( 'init', 'lbc_hook_check' );

function lbc_hook_echo(){
	echo "<span class=\"lblg-hook\">" . current_filter() . "</span>";
}