Check if xdebug is working

Question

Without installing a texteditor or an IDE  is it possible to test if xdebug is working  i e  if it can debug php code   The only part xdebug comes up in phpinfo   is the following      Additional  ini files parsed   etc php5 apache2 conf d mysql ini     etc php5 apache2 conf d mysqli ini   etc php5 apache2 conf d pdo ini     etc php5 apache2 conf d pdo mysql ini     etc php5 apache2 conf d xdebug ini   It is not mentioned in the phpinfo   anywhere else

User · Answer

in your question you mentioned that your phpinfo was stating that apache was loading xdebug's configuration in /etc/php5/apache2/conf.d/xdebug.ini In many of the instructions online you may note that they ask you to put xdebug config in php.ini (and that is what I did) HOWEVER, if the configuration is set to /etc/php5/apache2/conf.d/xdebug.ini, then you should remove the [XDebug] configuration settings from /etc/php5/apache2/php.ini and put it in /etc/php5/apache2/conf.d/xdebug.ini INSTEAD. Once I removed from /etc/php5/apache2/php.ini and put in /etc/php5/apache2/conf.d/xdebug.ini instead, and restarted apache, it worked!!

Therefore, in your /etc/php5/apache2/conf.d/xdebug.ini, put the following:

[XDebug]
zend_extension="/usr/lib/php5/20121212+lfs/xdebug.so"
xdebug.remote_enable=1
xdebug.remote_port="9000"
xdebug.profiler_enable=1
xdebug.profiler_output_dir="/home/paul/tmp"

xdebug.remote_host="localhost"
xdebug.remote_handler="dbgp";
xdebug.idekey="phpstorm_xdebug"

then remove this from the /etc/php5/apache2/php.ini if you put it there as well.

Then do:

sudo service apache2 restart

Then it should work!!!

User · Answer

Run   php -m -c   in your terminal  and then look for  Zend Modules   It should be somewhere there if it is loaded   NB  If you re using Ubuntu  it may not show up here because you need to add the xdebug settings from  etc php5 apache2 php ini into  etc php5 cli php ini  Mine are   xdebug  zend extension    usr lib php5 20121212 xdebug so xdebug remote enable on xdebug remote handler dbgp xdebug remote mode req xdebug remote host localhost xdebug remote port 9000

User · Answer

Just to extend KsaRs answer and provide a possibility to check xdebug from command line    php -r  echo  extension loaded  xdebug           non      exists

User · Answer

Starting with xdebug 3 you can use the following command line   php -r  quot xdebug info    quot   And it will display useful information about your xdebug installation

User · Answer

If you are using Eclipse then please note that while running on XDebug mode the magic constant   FILE   will always be evaluated to   xdebug   debug-eval   So the following check will return true if your session is under XDebug    is xdebug   false     strpos   FILE    xdebug       true while on XDebug

User · Answer

After a bitter almost 24 hours long run trying to make xdebug to work with Netbeans 8 0 2  I have found a solution that  I hope  will work for all Ubuntu and Ubuntu related stacks   Problem number 1  PHP and xdebug versions must be compatible  Sometimes  if you re running a Linux setup and apt-get to install xdebug  it won t get you the proper xdebug version  In my case  I had the latest php version but an old xdebug version  That must be due to my current Xubuntu version  Software versions are dependent on repositories  which are dependent on the OS version you are running   Solution  PHP has a neat extension manager called PECL  Follow the instructions given here to have it up and running   First  as pointed out by a member at the comments  you should install PHP s developer package in order to get PECL to work    sudo apt-get install php5-dev   Then  using PECL  you ll be able to install the latest stable version of xdebug   sudo pecl install php5-xdebug   Once you do it  the proper version of xdebug will be installed but not ready to use  After that  you ll need to enable it  I ve seen many suggestions on how to do it  but the fact of the matter is that PHP needs some modules to be enabled both to the client and the server  in this case Apache  It seems that the best practice here is to use the built in method of enabling modules  called php5enmod  Usage is described here   Problem number 2  Enable the module correctly  First  you ll need to go inside the  etc php5 folder  In there  you ll find 3 folders  apache2  cli  and mods available  The mods available folder contains text files with instructions to activate a given module  The name convention is  module  ini  Take a look inside a few of them  see how they are set up   Now you ll have to create your ini file inside mods available folder  Create a file named xdebug ini  and inside the file  paste this    xdebug  zend extension    usr lib php5 20121212 xdebug so xdebug remote enable on xdebug remote handler dbgp xdebug remote mode req xdebug remote host localhost xdebug remote port 9000   Make sure that the directive  xdebug  is present  exactly like the example above  It is imperative for the module to work  In fact  just copy and paste the whole code  you ll be a happier person that way   D  Note  the zend extension path is very important  On this example it is pointing o the current version of the PHP engine  but you should first go to  usr lib php5 and make sure the folder that is named with numbers is the correct one  Adjust the name to whatever you see there  and while you re at it  check inside the folder to make sure the xdebug so is really there  It should be  if you did everything right   Now  with your xdebug ini created  it s time to enable the module  To do that  open a console and type   php5enmod xdebug   If everything went right  PHP created two links to this file  one inside  etc php5 apache2 conf d and other inside  etc php5 cli conf d  Restart your Apache server and type this on the console   php -v   You should get something like this   PHP 5 5 9-1ubuntu4 6  cli   built  Feb 13 2015 19 17 11   Copyright  c  1997-2014 The PHP Group Zend Engine v2 5 0  Copyright  c  1998-2014 Zend Technologies with Zend OPcache v7 0 3  Copyright  c  1999-2014  by Zend Technologies with Xdebug v2 3 1  Copyright  c  2002-2015  by Derick Rethans   Which means the PHP client did read your xdebug ini file and loaded the xdebug so module  So far so good   Now create a phpinfo script somewhere on your web server  and run it  This is what you should see  if everything went wright     If you see this  Apache also loaded the module  and you are probably ready to go  Now let s see if Netbeans will debug correctly  Create a very simple script  add some variables  give them values  and set a break point on them  Now hit CTRL F5  click on  step in  on your debugger panel  and see if you get something like this     Remember to check Netbeans configuration for debugging  under tools options php  It should look something like this     I hope this sheds some light on this rather obscure  confusing problem   Best wishes

User · Answer

Try as following  should return  exists  or  non exists     lt  php echo  extension loaded  xdebug           non      exists

User · Answer

you can run this small php code   lt  php phpinfo      gt    Copy the whole output page  paste it in this link  Then analyze  It will show if Xdebug is installed or not  And it will give instructions to complete the installation

User · Answer

Without actually doing some debugging  I guess you can t be certain that a debugger is working   But you can be pretty sure -- I guess one should assume that if some aspects of xDebug are working then it would all be working   Given that  you can confirm that xDebug is installed and in place by trying the following   1  phpinfo   -- this will show you all the extensions that are loaded  including xDebug  If it is there  then it s a safe bet that it s working   2  If that isn t good enough for you  you can try using the var dump   function  xDebug modifies the output of var dump   to include additional information  If this is in place  then xDebug is working   3  xDebug modifies PHP s error output  If your program crashes with xDebug in place  you ll get more information about the failure than with the standard PHP crash output   4  xDebug also adds a number of helper functions to PHP  You could try any of these to see if it s working  For example  the function xdebug get code coverage   should exist and return an array  If it does  then xDebug is installed  If not  it isn t

[php] Check if xdebug is working

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