Description:

Extensions on php not loading, using php -v returns several warnings (one for each extension uncommented on the php.ini file) saying "extension not loaded"

Additional info:
Tested on package php-pgsql 5.3.6-4
The interesting parts of the php.ini are:

...
; Directory in which the loadable extensions (modules) reside.
; http://php.net/extension-dir
extension_dir = "/usr/lib/php/modules/"
...
...
;extension=odbc.so
;extension=openssl.so
extension=pdo_mysql.so
extension=pdo_odbc.so
extension=pdo_pgsql.so
extension=pdo_sqlite.so
extension=pgsql.so
extension=php_pgsql.so
;extension=phar.so
...



Steps to reproduce:

Install and configure Apache, postgresql and php so php and html error are displayed, uncomment the extension=pgsql.so line start Apache and postgresql servers, run php -v and check the output and then make a html file with the function pg_connect() to try to stablish a postgresql connection and test it.

Dirty workaround:

Make a soft link from directory modules named extensions on the same directory and edit php.ini so it aims to the softlink.