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# PEAR_ErrorStack::_log()

PEAR_ErrorStack::_log() -- Log an error using PEAR::Log

## Synopsis

    require_once 'PEAR/ErrorStack.php';

``void PEAR_ErrorStack::_log` (array $err [, array $levels = array( 'exception' => PEAR_LOG_CRIT, 'alert' => PEAR_LOG_ALERT, 'critical' => PEAR_LOG_CRIT, 'error' => PEAR_LOG_ERR, 'warning' => PEAR_LOG_WARNING, 'notice' => PEAR_LOG_NOTICE, 'info' => PEAR_LOG_INFO, 'debug' => PEAR_LOG_DEBUG)])`

## Description

This is a protected function, and should only be called by child classes that extend PEAR_ErrorStack

## Parameter

array `$err`

  Error array

array `$levels`

  Error level => Log constant map

## Throws

throws no exceptions thrown

## Note

This function can not be called statically.

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