PEAR_Dependency::checkSAPI()
Parameter
- mixed &$errmsg
this variable will contains an error message, if check fail
- string $name
name of SAPI backend
- string $req
which version to compare (currently unused)
- string $relation
how to compare versions (currently hardcoded to 'has')
Return value
mixed - FALSE if dependency could be resolved successfully(!); or an PEAR_DEPENDENCY_* constant in case of unresolved dependency.
