Can two PHP instances (in Apache) share the same PDO persistent connection?
55983
Connection pooling in PHP
72832
Running two PHP versions (5.3 & 5.2) at the same time
93194
PHP Sessions across sub domains
13255
How can one run multiple versions of PHP 5.x on a development LAMP server?
84489
PDO: Passing extra parameters to a prepared statment than needed
146078
Why are my PHP sessions dying? And why can't I restore them?
34112
PHP: session variables are overwritten by declared variables with same name
48665
How do you connect to multiple MySQL databases on a single webpage?
99571
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
118373
PHP and concurrent file access
121867
Transactional Replication to DB on Same Server instance
99957
HTTP 1.1 Persistent Connections using Sockets in Java
49589
Two identical files; Apache says one is forbidden
156082
Why does apache2 have multiple processes?
90655
How do I save PHP session data to a database instead of in the file system?
148664
sharing authentication within two drupal distributions
130508
The best way to share database connection between classes