Here's a short explanation of
the configuration directives.
  
  
   - 
    mysql.allow_local_infileinteger
- 
    
     Allow accessing, from PHP's perspective, local files with LOAD DATA
     statements
     
- 
    mysql.allow_persistentboolean
- 
    
     Whether to allow
     persistent connections
     to MySQL.
     
- 
    mysql.max_persistentinteger
- 
    
     The maximum number of persistent MySQL connections per
     process.
     
- 
    mysql.max_linksinteger
- 
    
     The maximum number of MySQL connections per process, including
     persistent connections.
     
- 
    mysql.trace_modeboolean
- 
    
     Trace mode. When mysql.trace_mode is enabled, warnings 
     for table/index scans, non free result sets, and SQL-Errors will be 
     displayed. (Introduced in PHP 4.3.0)
     
- 
    mysql.default_portstring
- 
    
     The default TCP port number to use when connecting to
     the database server if no other port is specified. If
     no default is specified, the port will be obtained
     from the MYSQL_TCP_PORT environment
     variable, the mysql-tcp entry in
     /etc/services or the compile-time
     MYSQL_PORTconstant, in that order. Win32
     will only use theMYSQL_PORTconstant.
 
- 
    mysql.default_socketstring
- 
    
     The default socket name to use when connecting to a local
     database server if no other socket name is specified.
     
- 
    mysql.default_hoststring
- 
    
     The default server host to use when connecting to the database
     server if no other host is specified. Doesn't apply in
     SQL safe mode.
     
- 
    mysql.default_userstring
- 
    
     The default user name to use when connecting to the database
     server if no other name is specified. Doesn't apply in
     SQL safe mode.
     
- 
    mysql.default_passwordstring
- 
    
     The default password to use when connecting to the database
     server if no other password is specified. Doesn't apply in
     SQL safe mode.
     
- 
    mysql.connect_timeoutinteger
- 
    
     Connect timeout in seconds. On Linux this timeout is also used for
     waiting for the first answer from the server.