1--TEST-- 2Test function getservbyname() by substituting argument 1 with boolean values. 3--FILE-- 4<?php 5 6 7echo "*** Test substituting argument 1 with boolean values ***\n"; 8 9$protocol = "tcp"; 10 11 12$variation_array = array( 13 'lowercase true' => true, 14 'lowercase false' =>false, 15 'uppercase TRUE' =>TRUE, 16 'uppercase FALSE' =>FALSE, 17 ); 18 19 20foreach ( $variation_array as $var ) { 21 var_dump(getservbyname( $var , $protocol ) ); 22} 23?> 24--EXPECT-- 25*** Test substituting argument 1 with boolean values *** 26bool(false) 27bool(false) 28bool(false) 29bool(false) 30