--TEST-- Test preg_grep() function : error conditions - wrong numbers of parameters --FILE-- <?php /* * proto array preg_grep(string regex, array input [, int flags]) * Function is implemented in ext/pcre/php_pcre.c */ echo "*** Testing preg_grep() : error conditions ***\n"; // Zero arguments echo "\n-- Testing preg_grep() function with Zero arguments --\n"; var_dump(preg_grep()); //Test preg_grep with one more than the expected number of arguments echo "\n-- Testing preg_grep() function with more than expected no. of arguments --\n"; $regex = '/\d/'; $input = array(1, 2); $flags = 0; $extra_arg = 10; var_dump(preg_grep($regex, $input, $flags, $extra_arg)); // Testing preg_grep withone less than the expected number of arguments echo "\n-- Testing preg_grep() function with less than expected no. of arguments --\n"; $regex = 'string_val'; var_dump(preg_grep($regex)); echo "Done" ?> --EXPECTF-- *** Testing preg_grep() : error conditions *** -- Testing preg_grep() function with Zero arguments -- Warning: preg_grep() expects at least 2 parameters, 0 given in %spreg_grep_error.php on line %d NULL -- Testing preg_grep() function with more than expected no. of arguments -- Warning: preg_grep() expects at most 3 parameters, 4 given in %spreg_grep_error.php on line %d NULL -- Testing preg_grep() function with less than expected no. of arguments -- Warning: preg_grep() expects at least 2 parameters, 1 given in %spreg_grep_error.php on line %d NULL Done