friendica/src/Util/Logger/FriendicaProcessor.php

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<?php
namespace Friendica\Util\Logger;
use Monolog\Logger;
use Monolog\Processor\ProcessorInterface;
/**
* Injects line/file//function where the log message came from
*
* Based on the class IntrospectionProcessor without the "class" information
* @see IntrospectionProcessor
*/
class FriendicaProcessor implements ProcessorInterface
{
private $level;
private $skipStackFramesCount;
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private $skipClassesPartials;
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private $skipFunctions = [
'call_user_func',
'call_user_func_array',
];
/**
* @param string|int $level The minimum logging level at which this Processor will be triggered
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* @param array $skipClassesPartials An array of classes to skip during logging
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* @param int $skipStackFramesCount If the logger should use information from other hierarchy levels of the call
*/
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public function __construct($level = Logger::DEBUG, array $skipClassesPartials = array(), $skipStackFramesCount = 0)
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{
$this->level = Logger::toMonologLevel($level);
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$this->skipClassesPartials = array_merge(array('Monolog\\'), $skipClassesPartials);
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$this->skipStackFramesCount = $skipStackFramesCount;
}
public function __invoke(array $record)
{
// return if the level is not high enough
if ($record['level'] < $this->level) {
return $record;
}
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
$i = 1;
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while ($this->isTraceClassOrSkippedFunction($trace, $i)) {
if (isset($trace[$i]['class'])) {
foreach ($this->skipClassesPartials as $part) {
if (strpos($trace[$i]['class'], $part) !== false) {
$i++;
continue 2;
}
}
} elseif (in_array($trace[$i]['function'], $this->skipFunctions)) {
$i++;
continue;
}
break;
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}
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$i += $this->skipStackFramesCount;
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// we should have the call source now
$record['extra'] = array_merge(
$record['extra'],
[
'file' => isset($trace[$i - 1]['file']) ? basename($trace[$i - 1]['file']) : null,
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'line' => isset($trace[$i - 1]['line']) ? $trace[$i - 1]['line'] : null,
'function' => isset($trace[$i]['function']) ? $trace[$i]['function'] : null,
]
);
return $record;
}
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private function isTraceClassOrSkippedFunction(array $trace, $index)
{
if (!isset($trace[$index])) {
return false;
}
return isset($trace[$index]['class']) || in_array($trace[$index]['function'], $this->skipFunctions);
}
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}