´ÙÀ½ ÀÌÀü Â÷·Ê

6. PHP µð¹ö±ë

PHP ÇÁ·Î±×·¥À» µð¹ö±ë ÇÏ·Á¸é ´ÙÀ½ÀÇ ÇÔ¼ö¸¦ °¡Áö´Â "debug2.inc"À̶õ È­ÀÏÀ» ¸¸µé¾î¶ó :


<?php

/* ÀÌÁßÀ¸·Î ¼±¾ðµÇ´Â °ÍÀ» ¹æÁöÇϱâ À§ÇÑ º¯¼öÁ¤ÀÇ */
if (!defined("_DEBUG2_DEFINED_")) 
{
        define("_DEBUG2_DEFINED_", 1 );
}
else
        return; // ¸¸¾à ÀÌÈ­ÀÏÀÌ include µÆ´Ù¸é ¸®ÅÏ
# file name : debug2.inc
# PHP ¼Ò½º Äڵ带 µð¹ö±ëÇϱâ À§ÇÑ ÇÔ¼öµé
#*****************************************************************
# Copyright policy is GNU/GPL but additional request is
# that you include author's name and email on all copies
# Author : Al Dev Email: alavoor@yahoo.com
#*****************************************************************

# Usage of this functions -
# In your source code put something like -
# debug2_(__FILE__, __LINE__, "f_somevariable", $f_somevariable);
# And this will generate output in debug.out file.

//function debug2_($fname, $lname, $debug_var, $debug_value=0) {}

// Give read, exec for all on directory /debug2_logs
// chmod a+rwx /debug2_logs
// But here you need to open the file in append mode.
$fp_debug2 = fopen("/debug2_logs/debug.out", "a");
if ($fp_debug2 == false)
{
        print "<b>File open failed - global.var.inc<b>";
        exit;
}

function debug2_($fname, $lname, $debug_var, $debug_value=0)
{
        global $fp_debug2;

        //print "<br> debug_value is : $debug_value <br>";
        if (!$debug_value)
        {
                fwrite($fp_debug2, "\n ". $fname ."  ". $lname .": $debug_var");
        }
        else
        {
                fwrite($fp_debug2, "\n ". $fname . " ". $lname .": $debug_var = $debug_value");
        }
        //print "<br> f_cookie is : $f_cookie <br>";
}

// In your first page, which is generally index.php3 
// truncate the debug2_logs file in beginning of code
function init_debug_file()
{
        global $fp_debug2;

        $fp_debug2 = fopen("/debug2_logs/debug.out", "w");
        if ($fp_debug2 == false)
        {
                print "<b>File open failed - global.var.inc<b>";
                exit;
        }
        system("chmod a+rwx /debug2_logs/debug.out");
}

?>

º¸Åë index.php3·Î µÇ´Â ½ÃÀÛÆäÀÌÁöÀÇ PHP ¼Ò½ºÄڵ忡 ´ÙÀ½À» Áý¾î³Ö¾î¶ó.


<?php
        include ("debug2.inc");

        init_debug_file();
        // ´Ù¸¥ ¸í·ÉÀº ¿©±â¿¡.....
        // ...........
?>

µð¹ö±ë °ªÀ» ¾ò±âÀ§ÇØ PHP ¼Ò½ºÄÚµå ÆÄÀÏ¿¡ debug2_() ¶õ È£ÃâÀ» ¾Æ·¡¿Í °°ÀÌ ³Ö¾î¶ó


<?php
include ("debug2.inc");
debug2_(__FILE__, __LINE__, "f_somevariable", $f_somevariable);

function aa()
{
        $aa = 8;
        debug2_(__FILE__, __LINE__, "aa", $aa);
}
?>

PHP ÇÁ·Î±×·¥À» ½ÇÇàÇÏ°Ô µÇ¸é, °á°ú°¡ debug.out À̶õ È­ÀÏ¿¡ ÆÄÀÏÀ̸§, ¶óÀιøÈ£, º¯¼ö¸í °ú º¯¼ö°ªÀÌ ³ªÅ¸³­´Ù.

ÀϹøÀûÀ¸·Î debug2_()¸¦ »ç¿ëÇ϶ó. ÇÁ·Î±×·¥¿¡¼­ debug2_()ÀÇ È£ÃâÀº ÃÖÁ¾°á°ú Äڵ忡 ¾î¶°ÇÑ ¿µÇâµµ ÁÖÁö¾ÊÀ¸¸ç ½ÇÇà¿¡µµ ¾Æ¹«·± ¿µÇâÀ» ÁÖÁö¾Ê´Â´Ù. ¿Ö³ÄÇÏ¸é ¾Æ·¡¿¡ ±â¼úÇÑ°Í °°ÀÌ ÇÊÅ͸µ µÇ±â ¶§¹®ÀÌ´Ù. debug2_()¸¦ ŸÀÌÇÎÇÏ´Â ½Ã°£À» ÁÙÀ̱â À§ÇØ º¹»ç(copy)¿Í ºÙ¿©³Ö±â(paste)¸¦ »ç¿ëÇÒ¼ö ÀÖ´Ù. ¶ÇÇÑ Vi ¿¡µðÅÍÀÇ 'yank to buffer' ±â´ÉÀ» ÀÌ¿ëÇؼ­ º¹»çÇ϶ó.

°³¹ßÀÌ ¿Ï·áµÇ¸é Å×½ºÆ®ÇÏ°í ¼­¹ö¿¡ ¿Ã¸° Áغñ°¡ µÆÀ¸¸é ¼Ò½ºÄڵ忡¼­ debug2_ È£ÃâÀ» ÇÊÅ͸µ Ç϶ó. À¯´Ð½º ÇÁ·ÒÇÁÆ®¿¡¼­ -


bash$ mkdir production
bash$ grep -v debug2_  filea.php3 > production/filea.php3

¿©·¯°³ÀÇ È­ÀÏÀÌ ÀÖÀ¸¸é -
bash$ mkdir production
bash$ ls *.php3 | while read ans 
do 
        grep -v  debug2_ $ans > production/$ans
done

±×¸®°í ÀÌÁ¦ production ¿¡¼­ °³¹ßÇϴ°÷(¿µ¿ª)À» º¹»çÇ϶ó.
´ÙÀ½ ÀÌÀü Â÷·Ê