(PECL svn >= 0.1.0)
svn_update — Update working copy
   Update working copy at path to revision
   revno. If recurse is true,
   directories will be recursively updated.
  
pathPath to local working copy.
Note: Relative paths will be resolved as if the current working directory was the one that contains the PHP binary. To use the calling script's working directory, use realpath() or dirname(__FILE__).
revno
       Revision number to update to, default is SVN_REVISION_HEAD.
      
recurseWhether or not to recursively update directories.
   Returns new revision number on success, returns false on failure.
  
Example #1 Basic example
This example demonstrates basic usage of this function:
<?php
echo svn_update(realpath('working-copy'));
?>The above example will output something similar to:
234
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
