1 .. -*- coding: utf-8; -*-

     2 

     3 ======

     4  PHP.

     5 ======

     6 

     7 Debugging.

     8 ==========

     9 

    10 Pretty print variable::

    11 

    12   print_r($var);

    13 

    14 Print backtrace::

    15 

    16   debug_print_backtrace();

    17 

    18  * http://php.net/manual/ru/function.print-r.php

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