mixed PEAR_Dependency::checkZend (mixed &$errmsg, string $req, string ''}[$relation = 'ge'])
mixed PEAR_Dependency::checkZend
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.
