Elgg\Debug\Profiler Class Reference

Analyzes duration of functions, queries, and processes. More...

Public Member Functions
	__invoke (\Elgg\Event $event)
	Append a SCRIPT element to the page output. More...

Protected Member Functions
	buildTree (Timer $timer)
	Return a tree of time periods from a Timer. More...
	flattenTree (array &$list=[], array $tree=[], $prefix= '')
	Turn the tree of times into a sorted list. More...
	formatTree (array $tree)
	Nicely format the elapsed time values. More...
	analyzePeriod ($name, array $times)
	Analyze a time period. More...
	findBeginTime (array $times)
	Get the microtime start time. More...
	findEndTime (array $times)
	Get the microtime end time. More...
	diffMicrotime ($start, $end)
	Calculate a precise time difference. More...

Protected Attributes
	$percentage_format = '%01.2f'
	$duration_format = '%01.6f'
	$minimum_percentage = 0.2
	$total

Detailed Description

Analyzes duration of functions, queries, and processes.

Definition at line 13 of file Profiler.php.

Member Function Documentation

Elgg\Debug\Profiler::__invoke

(

\Elgg\Event

$event

)

Append a SCRIPT element to the page output.

Parameters

\Elgg\Event

$event

'output', 'page'

Returns

string

Definition at line 33 of file Profiler.php.

Elgg\Debug\Profiler::analyzePeriod (   $name, array  $times  )

protected

Analyze a time period.

Parameters

string	$name	Period name
array	$times	Times

Returns

false|array False if missing begin/end time

Definition at line 151 of file Profiler.php.

Elgg\Debug\Profiler::buildTree ( Timer  $timer )

protected

Return a tree of time periods from a Timer.

Parameters

Timer

$timer

Timer object

Returns

false|array

Definition at line 75 of file Profiler.php.

Elgg\Debug\Profiler::diffMicrotime (   $start,   $end  )

protected

Calculate a precise time difference.

Parameters

float	$start	result of microtime(true)
float	$end	result of microtime(true)

Returns

float difference in seconds, calculated with minimum precision loss

Definition at line 255 of file Profiler.php.

Elgg\Debug\Profiler::findBeginTime ( array  $times )

protected

Get the microtime start time.

Parameters

array

$times

Time periods

Returns

float|false

Definition at line 212 of file Profiler.php.

Elgg\Debug\Profiler::findEndTime ( array  $times )

protected

Get the microtime end time.

Parameters

array

$times

Time periods

Returns

float|false

Definition at line 233 of file Profiler.php.

Elgg\Debug\Profiler::flattenTree ( array &  $list = [], array  $tree = [],   $prefix = ''  )

protected

Turn the tree of times into a sorted list.

Parameters

array	$list	Output list of times to populate
array	$tree	Result of buildTree()
string	$prefix	Prefix of period string. Leave empty.

Returns

void

Definition at line 98 of file Profiler.php.

Elgg\Debug\Profiler::formatTree ( array  $tree )

protected

Nicely format the elapsed time values.

Parameters

array

$tree

Result of buildTree()

Returns

array

Definition at line 130 of file Profiler.php.

Member Data Documentation

Elgg\Debug\Profiler::$duration_format = '%01.6f'

protected

Definition at line 17 of file Profiler.php.

Elgg\Debug\Profiler::$minimum_percentage = 0.2

protected

Definition at line 19 of file Profiler.php.

Elgg\Debug\Profiler::$percentage_format = '%01.2f'

protected

Definition at line 15 of file Profiler.php.

Elgg\Debug\Profiler::$total

protected

Definition at line 24 of file Profiler.php.

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The documentation for this class was generated from the following file:

• engine/classes/Elgg/Debug/Profiler.php