These are instructions for installing Xdebug from a Git checkout. Please refer to https://xdebug.org/support.php for support.
You need to compile Xdebug separately from the rest of PHP. You need to have
access to the scripts phpize
and php-config
. If your system does not
have phpize
and php-config
, you will need to compile and install PHP
from a source tarball first, or install a php-dev
package if your
distribution provides one. These scripts are by-products of the PHP
compilation and installation processes and are needed to compile external
extensions. It is important that the source version matches the installed
version as there are slight, but important, differences between PHP versions.
You can clone the Xdebug source directory with:
git clone https://github.com/xdebug/xdebug.git
Then move into this new directory:
cd xdebug
Although it is recommended to run the latest version from the master
branch, older versions are available through tags. For example to checkout the
2.5.5 release, you can switch to it with git checkout XDEBUG_2_5_5
.
If PHP is installed in a normal, and uncomplicated way, with default locations and configuration, all you will need to do is to run the following script:
./rebuild.sh
This will run phpize
, ./configure
, make clean
, make
and make
install
.
The long winded way of installation is:
Run phpize: phpize
(or /path/to/phpize
if phpize is not in your path).
./configure --enable-xdebug
(or: ../configure --enable-xdebug
--with-php-config=/path/to/php-config
if php-config
is not in your
path)
Run: make clean
Run: make
Run: make install
Add the following line to php.ini
(which you can find by running php
--ini
, or look at phpinfo()
output): zend_extension="xdebug.so"
.
Please note, that sometimes the php.ini
file is different for the
command line and for your web server. Make sure you pick the right one.
Unless you exclusively use the command line with PHP, restart your webserver.
Write a PHP page that calls phpinfo();
. Load it in a browser and
look for the info on the Xdebug module. If you see it, you have been
successful! Alternatively, you can run php -v
on the command line to
see that Xdebug is loaded:
$ php -v PHP 7.2.0RC6 (cli) (built: Nov 23 2017 10:30:56) ( NTS DEBUG ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.2.0-dev, Copyright (c) 1998-2017 Zend Technologies with Xdebug v2.6.0-dev, Copyright (c) 2002-2017, by Derick Rethans
For questions regarding compile issues, please write to the xdebug-general email list which you can find at https://xdebug.org/support.php#list
You can also find support on IRC: freenode/#xdebug
. You can do that with
your favourite client, or by using their webchat.
If you think that you encountered a bug, please file a detailed bug report at https://bugs.xdebug.org. You are required to create an account, this is so that you can be contacted for additional information and to keep out spam.
Derick Rethans — derick@xdebug.org
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