# apd_set_pprof_trace

(PECL apd:0.2-1.0.1)

apd_set_pprof_trace — Starts the session debugging

### Description

string apd_set_pprof_trace ([ string `$dump_directory` [, string `$fragment` ]] )

Starts debugging to pprof_{process_id} in the dump directory.

### Parameters

`dump_directory`

  The directory in which the profile dump file is written. If not set, the apd.dumpdir setting from the php.ini file is used.

`fragment`

### Return Values

Returns path of the destination file.

### Examples

Example#1 apd_set_pprof_trace() example

`<?php
apd_set_pprof_trace();
?>`

### See Also

- apd_set_session_trace()