src/PEAR/DependencyDB.php
function installPackage(&$package)
    {
        $data = $this->_getDepDB();
        unset($this->_cache);
        $this->_setPackageDeps($data, $package);
        $this->_writeDepDB($data);
    }
function installPackage(&$package)
    {
        $data = $this->_getDepDB();
        unset($this->_cache);
        $this->_setPackageDeps($data, $package);
        $this->_writeDepDB($data);
    }
Register dependencies of a package that is being installed or upgraded
@param PEAR_PackageFile_v2|PEAR_PackageFile_v2