--TEST-- Test chop() function : error conditions --FILE-- <?php /* Prototype : string chop ( string $str [, string $charlist] ) * Description: Strip whitespace (or other characters) from the end of a string * Source code: ext/standard/string.c */ /* * Testing chop() : error conditions */ echo "*** Testing chop() : error conditions ***\n"; // Zero argument echo "\n-- Testing chop() function with Zero arguments --\n"; var_dump( chop() ); // More than expected number of arguments echo "\n-- Testing chop() function with more than expected no. of arguments --\n"; $str = 'string_val '; $charlist = 'string_val'; $extra_arg = 10; var_dump( chop($str, $charlist, $extra_arg) ); var_dump( $str ); echo "Done\n"; ?> --EXPECTF-- *** Testing chop() : error conditions *** -- Testing chop() function with Zero arguments -- Warning: Wrong parameter count for chop() in %s on line %d NULL -- Testing chop() function with more than expected no. of arguments -- Warning: Wrong parameter count for chop() in %s on line %d NULL string(11) "string_val " Done