(PECL svn >= 0.1.0)
svn_log — Returns the commit log messages of a repository URL
$repos_url
   [, int $start_revision
   [, int $end_revision
   [, int $limit = 0
   [, int $flags = SVN_DISCOVER_CHANGED_PATHS | SVN_STOP_ON_COPY
  ]]]] )
   svn_log() returns the complete history of the item at the repository URL
   repos_url, or the history of a specific revision
   if start_revision is set. This function is equivalent
   to svn log --verbose -r $start_revision $repos_url.
  
repos_urlRepository URL of the item to retrieve log history from.
start_revision
       Revision number of the first log to retrieve. Use
       SVN_REVISION_HEAD to retrieve the log from
       the most recent revision.
      
end_revision
       Revision number of the last log to retrieve. Defaults to
       start_revision if specified or to
       SVN_REVISION_INITIAL otherwise.
      
limitNumber of logs to retrieve.
flags
       Any combination of SVN_OMIT_MESSAGES,
       SVN_DISCOVER_CHANGED_PATHS and
       SVN_STOP_ON_COPY.
      
On success, this function returns an array file listing in the format of:
[0] => Array, ordered most recent (highest) revision first
(
    [rev] => integer revision number
    [author] => string author name
    [msg] => string log message
    [date] => string date formatted per ISO 8601, i.e. date('c')
    [paths] => Array, describing changed files
        (
            [0] => Array
                (
                    [action] => string letter signifying change
                    [path] =>  absolute repository path of changed file
                )
            [1] => ...
        )
)
[1] => ...
Note:
The output will always be a numerically indexed array of arrays, even when there are none or only one log message(s).
The value of action is a subset of the » status output in the first column, where possible values are:
| Letter | Description | 
|---|---|
| M | Item/props was modified | 
| A | Item was added | 
| D | Item was deleted | 
| R | Item was replaced | 
If no changes were made to the item, an empty array is returned.
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.
Example #1 svn_log() example
<?php
print_r( svn_log('http://www.example.com/', 23) );
?>
The above example will output something similar to:
Array
(
    [0] => Array
    (
        [rev] => 23
        [author] => 'joe'
        [msg] => 'Add cheese and salami to our sandwich.'
        [date] => '2007-04-06T16:00:27-04:00'
        [paths] => Array
            (
                [0] => Array
                    (
                        [action] => 'M'
                        [path] =>  '/sandwich.txt'
                    )
            )
    )
)