[PHP] Default value if parameter is not passed in

[Quanah Gibson-Mount]

Right now, I'm tweaking a function that has a bunch of optional parameters. 
I would like to be able to set a default value for the very last one if it 
is not passed in.  This essentially looks like:

if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ssl", &link, &arg1, 
&arg1_len, &arg2, &arg2_len, &long, &long_len) == FAILURE { RETURN_FALSE; }

if (!long || long==NULL) {
    long=DEFAULT_VALUE;
}
However, what I found when printing out the value of "long" is that it has 
been set to 1?!  I imagine this was by the zend_parse_parameters function. 
Is there a way to disable it from setting values to optional parameters?

--Quanah
--
Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html
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