mixed PEAR_Dependency::checkZend (
mixed &$errmsg
, string $req
, string ''}$relation = 'ge'
)
Zend version check method
this variable will contains an error message, if check fail
which version to compare
how to compare the version
mixed - FALSE if dependency could be resolved successfully(!); or an PEAR_DEPENDENCY_* constant in case of unresolved dependency.
This function can not be called statically.