McNaught, Scott wrote:
> Hi there,
>
>
>
> Is it possible to make the declare(ticks=1) statement apply to *all*
> functions executed in a php script, regardless of scope?
>
>
>
> I wish to write a profiler script to basically dump all the function call
> times through the execution of a script. So far, I can only get it to work
> for functions called via global scope.
>
>
>
> My code calls only one function from the global scope, and then a whole lot
> of functions in classes are invoked. The tick function is only invoked once
> from calling this one global function.
>
>
>
> Here is my code:
>
>
>
> <?php
>
> declare(ticks = 1);
>
>
>
> /**
>
> * Profiler
>
> *
>
> * @version SVN: $Id$
>
> * @author Scott McNaught
>
> */
>
> class Profiler
>
> {
>
> protected $m_arrProfileData = array();
>
> protected $m_strCurrentFunction = null;
>
> protected $m_iLastTime = null;
>
>
>
> /**
>
> * Begins profiling
>
> */
>
> public function start()
>
> {
>
> $this->m_iLastTime = time();
>
> }
>
>
>
> /**
>
> * Finishes profiling and dumps the results
>
> */
>
> public function end()
>
> {
>
> var_dump($this->m_arrProfileData);
>
> $this->m_arrProfileData = array();
>
> $this->m_strCurrentFunction = null;
>
> }
>
>
>
> public function tick()
>
> {
>
> $arrBacktrace = debug_backtrace();
>
>
>
> if (!isset($arrBacktrace[1]))
>
> {
>
> return;
>
> }
>
>
>
> $strFunction = $arrBacktrace[1]['function'];
>
>
>
> if (isset($arrBacktrace[1]['class']))
>
> {
>
> $strFunction = $arrBacktrace[1]['class'] . '::' .
> $strFunction;
>
> }
>
>
>
> $iTime = microtime(true);
>
>
>
> if (!isset($this->m_arrProfileData[$strFunction]))
>
> {
>
> $this->m_arrProfileData[$strFunction] = $iTime;
>
> }
>
>
>
> $this->m_arrProfileData[$strFunction] += $iTime -
> $this->m_iLastTime;
>
> $this->m_iLastTime = $iTime;
>
> $this->m_strCurrentFunction = $strFunction;
>
> }
>
> }
>
>
>
> $pProfiler = new Profiler();
>
> register_tick_function($pProfiler, 'tick'), true);
>
>
>
> ?>
>
>
>
>
>
> Then from index.php.
>
>
>
> <?php
>
>
>
> if(isset($_GET['profile']))
>
> {
>
> include('profiler.inc.php');
>
> }
>
>
>
> function execute()
>
> {
>
> $pClass = new SomeClass();
>
> $pClass->someFunction();
>
> }
>
>
>
> execute(); // TICK IS CALLED FROM EXECUTING THIS
>
>
>
> ?>
>
>
>
> So a tick is made from calling execute() from global scope, and that is it.
> I want it to tick when someFunction() is called.
>
>
>
> I would really appreciate any help that anyone can give me with this as I
> have struggled with it for a while, and there is not much documentation
> about this anywhere.
>
> This could potentially benefit a lot of people if engineered right. I am
> trying to make a profiler include file which will be able to be used with
> one line of file.
>
>
>
> This will allow people to:
>
> . Get quick profiler results on demand by adding something to the
> query string - eg - ?profile=1
>
> . Get profile results for novices without having to mess around
> installing php binaries such as APD / zend debugger etc
>
> . Profile on demand on production servers without having to install
> a resource intensive debugging module
>
>
>
> Any help greatly appreciated.
>
>
>
> Thanks,
>
>
>
> Scott McNaught
>
>
>
>
First off:
register_tick_function(array(&$pProfiler, 'tick'), true);
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