https://xdebug.org/download.php
./configure
make
make install
cp modules/xdebug.so /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/
cd /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/
/usr/local/php/etc/php.ini 增加下面几行
[Xdebug] zend_extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/xdebug.so xdebug.profiler_enable=on xdebug.trace_output_dir="../Projects/xdebug" xdebug.profiler_output_dir="../Projects/xdebug"
lnmp restart
