.. -*- coding: utf-8; -*-
.. include:: HEADER.rst

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 PHP.
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.. contents::

Debugging.
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Pretty print variable::

  print_r($var);

Print backtrace::

  debug_print_backtrace();

 * http://php.net/manual/ru/function.print-r.php
 * http://www.php.net/manual/en/function.debug-print-backtrace.php