Hi.
As you may or may not know, the "zend_bool" arg_info->pass_by_reference,
may take three values:
785 #define ZEND_SEND_BY_VAL 0
786 #define ZEND_SEND_BY_REF 1
787 #define ZEND_SEND_PREFER_REF 2
The last one is used one the function can either take a value or
reference; see e.g. array_multisort.
ReflectionParameter has only only method, with an actual boolean return to
test this, isPassedByReference(). This returns true for ZEND_SEND_BY_REF
or ZEND_SEND_PREFER_REF, so there's no way to distinguish between the two.
To solve this, I added to trunk ReflectionParameter::canBePassedByValue(),
which tests for ZEND_SEND_BY_VAL or ZEND_SEND_PREFER_REF.
Concerns have been raised over the naming of the method and over whether
having three methods for three values would be more appropriate (with a
minor BC break, changing the behavior of isPassedByReference() to return
true only with ZEND_SEND_BY_REF).
Any comments on this issue are appreciated.
Thanks
--
Gustavo Lopes
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