PHP XDebug & Webgrind Installation
You can skip the steps below if you already have Apache and PHP installed. For sake of completeness-
We make use of Apache 2.2.x although the following steps should work for Apache 2.0.x also. First download and install the latest version of Apache (apache_2.2.11-win32-x86-openssl-0.9.8i.msi). Then download and install the latest version of PHP (5.2.9 zip package).
Once you have completed installing both, I suggest you set your htdocs to c:\htdocs (if Windows). For this, edit your httpd.conf file in the conf folder and add the following:
DocumentRoot "c:/htdocs" <Directory "C:/htdocs"> Options Indexes FollowSymLinks +ExecCGI AllowOverride All Order allow,deny Allow from all </Directory>
Once that is done, restart your Apache Webserver and create a file called phpinfo.php with the following contents:
<?php echo phpinfo(); ?>
Point your browser to http://localhost/phpinfo.php and note down whether Thread Safety is enabled or disabled. If you see an output then congrats!. We now have Apache & PHP running.
To install Xdebug, depending on your whether Thread Safety is enabled or disabled download the appropriate version. In my case we get php_xdebug-2.0.4-5.2.8.dll file. Copy the file to your php/ext folder (c:/program files/php/ext) and add the following to your php.ini file (c:/program files/php/php.ini)
zend_extension_ts="c:\program files\php\ext\php_xdebug-2.0.4-5.2.8.dll" [xdebug] xdebug.profiler_enable = 1 xdebug.profiler_output_dir = "c:\htdocs\webgrind\tmp" xdebug.profiler_output_name = cachegrind.out.%t.%p
Now restart your webserver and point your browser once again to phpinfo.php and if all went well then you should see the following:
Notice the Xdebug v2.0.4, Copyright (c) 2002-2008, by Derick Rethans in the output. Now lets move on to Webgrind Installation.
First download and extract the latest version of webgrind (webgrind-release-1.0.zip) to your c:/htdocs directory. Create a new folder called tmp in the webgrind folder (c:\htdocs\webgrind\tmp). Edit the config.php file in the webgrind folder and edit the storageDir and profilerDir to:
static $storageDir = 'c:\htdocs\webgrind\tmp'; static $profilerDir = 'c:\htdocs\webgrind\tmp';
Once that is done, add a .htaccess in the webgrind folder with the following contents
php_flag xdebug.profiler_enable 0
The above code is to ensure that Xdebug does not profile Webgrind itself.
Now point your browser to http://localhost/phpinfo.php so that we can profile something. The goto http://localhost/webgrind and view your profiled script!
If Webgrind takes too long to load, you should occasionaly delete the files from the tmp folder (c:/htdocs/webgrind/tmp)
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- 3.10.09 / 2pm