Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\Util;
/**
* Get Introspection information about the current call
*/
class Introspection
{
private $skipStackFramesCount;
private $skipClassesPartials;
private $skipFunctions = [
'call_user_func',
'call_user_func_array',
];
/**
* @param array $skipClassesPartials An array of classes to skip during logging
* @param int $skipStackFramesCount If the logger should use information from other hierarchy levels of the call
*/
public function __construct($skipClassesPartials = array(), $skipStackFramesCount = 0)
{
$this->skipClassesPartials = $skipClassesPartials;
$this->skipStackFramesCount = $skipStackFramesCount;
}
/**
* Adds new classes to get skipped
* @param array $classNames
*/
public function addClasses(array $classNames)
{
$this->skipClassesPartials = array_merge($this->skipClassesPartials, $classNames);
}
/**
* Returns the introspection record of the current call
*
* @return array
*/
public function getRecord()
{
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
$i = 1;
while ($this->isTraceClassOrSkippedFunction($trace, $i)) {
$i++;
}
$i += $this->skipStackFramesCount;
return [
'file' => isset($trace[$i - 1]['file']) ? basename($trace[$i - 1]['file']) : null,
'line' => isset($trace[$i - 1]['line']) ? $trace[$i - 1]['line'] : null,
'function' => isset($trace[$i]['function']) ? $trace[$i]['function'] : null,
];
}
/**
* Checks if the current trace class or function has to be skipped
*
* @param array $trace The current trace array
* @param int $index The index of the current hierarchy level
*
* @return bool True if the class or function should get skipped, otherwise false
*/
private function isTraceClassOrSkippedFunction(array $trace, $index)
{
if (!isset($trace[$index])) {
return false;
}
if (isset($trace[$index]['class'])) {
foreach ($this->skipClassesPartials as $part) {
if (strpos($trace[$index]['class'], $part) !== false) {
return true;
}
}
} elseif (in_array($trace[$index]['function'], $this->skipFunctions)) {
return true;
}
return false;
}
}