--TEST-- Test nl2br() function : error conditions --FILE-- <?php /* Prototype : string nl2br(string $str) * Description: Inserts HTML line breaks before all newlines in a string. * Source code: ext/standard/string.c */ echo "*** Testing nl2br() : error conditions ***\n"; // Zero arguments echo "\n-- Testing nl2br() function with Zero arguments --"; var_dump( nl2br() ); //Test nl2br with one more than the expected number of arguments echo "\n-- Testing nl2br() function with more than expected no. of arguments --"; $str = 'string_val'; $extra_arg = 10; var_dump( nl2br($str, true, $extra_arg) ); echo "Done"; ?> --EXPECTF-- *** Testing nl2br() : error conditions *** -- Testing nl2br() function with Zero arguments -- Warning: nl2br() expects at least 1 parameter, 0 given in %s on line %d NULL -- Testing nl2br() function with more than expected no. of arguments -- Warning: nl2br() expects at most 2 parameters, 3 given in %s on line %d NULL Done