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phpha@asus:~$ wget http://www.xdebug.org/files/xdebug-2.2.5.tgz
phpha@asus:~$ tar -zxf xdebug-2.2.5.tgz
phpha@asus:~$ cd xdebug-2.2.5/
phpha@asus:~/xdebug-2.2.5$ /usr/local/php/bin/phpize
Configuring for:
PHP Api Version:         20121113
Zend Module Api No:      20121212
Zend Extension Api No:   220121212
phpha@asus:~/xdebug-2.2.5$ ./configure --enable-xdebug --with-php-config=/usr/local/php/bin/php-config
phpha@asus:~/xdebug-2.2.5$ sudo make
phpha@asus:~/xdebug-2.2.5$ sudo make install
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Installing shared extensions:     /usr/local/php/lib/php/extensions/no-debug-zts-20121212/+----------------------------------------------------------------------+|                                                                      ||   INSTALLATION INSTRUCTIONS                                          ||   =========================                                          ||                                                                      ||   See http://xdebug.org/install.php#configure-php for instructions   ||   on how to enable Xdebug for PHP.                                   ||                                                                      ||   Documentation is available online as well:                         ||   - A list of all settings:  http://xdebug.org/docs-settings.php     ||   - A list of all functions: http://xdebug.org/docs-functions.php    ||   - Profiling instructions:  http://xdebug.org/docs-profiling2.php   ||   - Remote debugging:        http://xdebug.org/docs-debugger.php     ||                                                                      ||                                                                      ||   NOTE: Please disregard the message                                 ||       You should add "extension=xdebug.so" to php.ini                ||   that is emitted by the PECL installer. This does not work for      ||   Xdebug.                                                            ||                                                                      |+----------------------------------------------------------------------+
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phpha@asus:~$ sudo vim /usr/local/php/etc/php.ini
//添加以下配置选项，更多配置选项请自己借助查看官方说明
[Xdebug]
zend_extension = /usr/local/php/lib/php/extensions/no-debug-zts-20121212/xdebug.so
xdebug.auto_trace = on
xdebug.default_enable = on
xdebug.auto_profile = on
xdebug.collect_params = on
xdebug.collect_return = on
xdebug.profiler_enable = on
xdebug.remote_host = localhost
xdebug.remote_port = 9000
xdebug.remote_handler = dbgp
xdebug.trace_output_dir = "/usr/local/php/xdebug/"
xdebug.profiler_output_dir = "/usr/local/php/xdebug/"
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//重启Apache
phpha@asus:~$ sudo service apache restart