PHP Header / Session problems
41
How to fix "Headers already sent" error in PHP
114622
Call to undefined function session_register()
54232
PHP connection error with the database
2005
"Notice: Undefined variable", "Notice: Undefined index", and "Notice: Undefined offset" using PHP
71549
PHP in HTML page, Super Quick Advice
116158
How to have PHP session expire upon browser close OR some extended duration of time
119264
PHP: Session not working
139225
How do PHP sessions work? (not "how are they used?")
110739
In PHP, is there any harm in running session_start() multiple times?
3628
Allow php sessions to carry over to subdomains
134607
php sessions destroyed instantly
146078
Why are my PHP sessions dying? And why can't I restore them?
673
PHP Session with an Incomplete Object
37782
php namespace issue
30140
PHP: How to send HTTP response code?
104014
How do I enable error reporting in PHP?
88993
Php 404 Not Found Header