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# PEAR_DependencyDB::rebuildDB()

PEAR_DependencyDB::rebuildDB() -- Rebuild the dependency DB by reading registry entries.

## Synopsis

    require_once '/DependencyDB.php';

```true|PEAR_Error` PEAR_DependencyDB::rebuildDB` ()`

## Description

This is used to create or re-create the dependency database by reading registry entries for each installed file to extract dependencies and save them in the dependency database.

## Throws

throws no exceptions thrown

## Note

This function can not be called statically.

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PEAR_DependencyDB::installPackage() | Up | PEAR_DependencyDB::setConfig()