Everything
php
Learn Community Releases The PHP Project
Home » Project » Newsgroups » php.internals » Q. zend_parse_parameters() - allow grouping of optional parameters. »

Q. zend_parse_parameters() - allow grouping of optional parameters.

php.internals

Richard Quadling

18 years ago
Hi. From what I understand about the argument list for zend_parse_parameters(), you separate optional parameters from mandatory ones using pipe (|). e.g. if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll|llll", &m, &d, &y, &h, &n, &s, &ms) == FAILURE) { In the above example, this says that there are 3 mandatory parameters and upto 4 optional parameters. The prototype for this looks like ... proto bool myExampleDateFunc(int month, int day, int year, [int hour [, int min [, int sec [,int msec]]]]) Is there a way to make the prototype ... proto bool myExampleDateFunc(int month, int day, int year, [int hour, int min, int sec[, int msec]]) So, making this function accept 3 or 6 or 7 parameters only. I'm guessing not, but I'm guessing. I think this has to be checked using ... switch (ZEND_NUM_ARGS()) { after parsing the parameters and generate an error for ZEND_NUM_ARGS = 4 or 5. Regards, Richard.
-- ----- Richard Quadling Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731 "Standing on the shoulders of some very clever giants!"

Scott MacVicar

18 years ago
if (ZEND_NUM_ARGS() != 3 && ZEND_NUM_ARGS() != 6 && ZEND_NUM_ARGS() != 7) { WRONG_PARAM_COUNT; } Will let you check that there are 3, 6 and 7 parameters. Scott Richard Quadling wrote:

Andrei Zmievski

18 years ago
Use quite parameter parsing: if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "lll", &m, &d, &y) != SUCCESS && zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "llllll", &m, &d, &y, &h, &min, &s) != SUCCESS && zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "llllll", &m, &d, &y, &h, &min, &s, &ms) != SUCCESS) { php_error(E_WARNING, "Could not parse parameters"); } Disadvantage is that you will not get the nicely formatted error message and have to do it yourself. -Andrei http://10fathoms.org/vu - daily photoblog On Oct 10, 2007, at 2:55 AM, Scott MacVicar wrote: