server:~# apt-get install ioncube*
Reading Package Lists... Done
Building Dependency Tree... Done
Note, selecting php5-ioncube-php52 for regex 'ioncube*'
Note, selecting php5-ioncube for regex 'ioncube*'
Note, selecting php5-ioncube-loader for regex 'ioncube*'
Note, selecting php4-ioncube-loader for regex 'ioncube*'
The following extra packages will be installed:
  php5-ioncube-loader
The following NEW packages will be installed:
  php5-ioncube-loader
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 113kB of archives.
After unpacking 286kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://autoinstall.plesk.com sarge/all php5-ioncube-loader 3.2-dbn31.build07072610 [113kB]
Fetched 113kB in 0s (141kB/s)
Selecting previously deselected package php5-ioncube-loader.
(Reading database ... 225078 files and directories currently installed.)
Unpacking php5-ioncube-loader (from .../php5-ioncube-loader_3.2-dbn31.build07072610_i386.deb) ...
Setting up php5-ioncube-loader (3.2-dbn31.build07072610) ...

server:/usr/local/ioncube# dir
ioncube                    ioncube_loader_lin_4.2_ts.so  ioncube_loader_lin_5.0.so     ioncube_loader_lin_5.2_ts.so
ioncube-encoded-file.php   ioncube_loader_lin_4.3.so     ioncube_loader_lin_5.0_ts.so  ioncube_loaders_lin_x86.tar.gz
ioncube-loader-helper.php  ioncube_loader_lin_4.3_ts.so  ioncube_loader_lin_5.1.so     LICENSE.txt
ioncube_loader_lin_4.1.so  ioncube_loader_lin_4.4.so     ioncube_loader_lin_5.1_ts.so  README.txt
ioncube_loader_lin_4.2.so  ioncube_loader_lin_4.4_ts.so  ioncube_loader_lin_5.2.so
server:/usr/local/ioncube#

server:/usr/local/ioncube# php -v
Failed loading /usr/lib/php5/ioncube_loader_lin_5.0.so:  /usr/lib/php5/ioncube_loader_lin_5.0.so: undefined symbol: empty_string
PHP 5.2.0-8+etch7~bpo.1 (cli) (built: Jul  7 2007 22:20:58)
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