--TEST-- Test strtok() function : error conditions --FILE-- <?php /* Prototype : string strtok ( string $str, string $token ) * Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token * Source code: ext/standard/string.c */ /* * Testing strtok() for error conditions */ echo "*** Testing strtok() : error conditions ***\n"; // Zero argument echo "\n-- Testing strtok() function with Zero arguments --\n"; var_dump( strtok() ); // More than expected number of arguments echo "\n-- Testing strtok() function with more than expected no. of arguments --\n"; $str = 'sample string'; $token = ' '; $extra_arg = 10; var_dump( strtok($str, $token, $extra_arg) ); var_dump( $str ); // Less than expected number of arguments echo "\n-- Testing strtok() with less than expected no. of arguments --\n"; $str = 'string val'; var_dump( strtok($str)); var_dump( $str ); echo "Done\n"; ?> --EXPECTF-- *** Testing strtok() : error conditions *** -- Testing strtok() function with Zero arguments -- Warning: Wrong parameter count for strtok() in %s on line %d NULL -- Testing strtok() function with more than expected no. of arguments -- Warning: Wrong parameter count for strtok() in %s on line %d NULL string(13) "sample string" -- Testing strtok() with less than expected no. of arguments -- bool(false) string(10) "string val" Done