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# dbplus_tcl

(PHP 4 >= 4.1.0)

dbplus_tcl -- Execute TCL code on server side

## Description

``int dbplus_tcl` (int sid, string script)`

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. Be warned and use this function at your own risk.

A db++ server will prepare a TCL interpreter for each client connection. This interpreter will enable the server to execute TCL code provided by the client as a sort of stored procedures to improve the performance of database operations by avoiding client/server data transfers and context switches.

dbplus_tcl() needs to pass the client connection id the TCL `script` code should be executed by. dbplus_resolve() will provide this connection id. The function will return whatever the TCL code returns or a TCL error message if the TCL code fails.

See also dbplus_resolve().

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