query: Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent
positive_passages.docid: 41
positive_passages.text: How to fix "Headers already sent" error in PHP
negative_passages.docid: 43566
negative_passages.text: IE won't start session from an iframe?
negative_passages.docid: 141465
negative_passages.text: PHP headers already sent
negative_passages.docid: 31877
negative_passages.text: How to differ sessions in browser-tabs?
negative_passages.docid: 122470
negative_passages.text: Understanding Cookies in PHP
negative_passages.docid: 84186
negative_passages.text: Fatal error: Call to undefined function mcrypt_encrypt()
negative_passages.docid: 139225
negative_passages.text: How do PHP sessions work? (not "how are they used?")
negative_passages.docid: 20
negative_passages.text: What does it mean to start a PHP function with an ampersand?
negative_passages.docid: 116454
negative_passages.text: Login page ERROR: Cookies are blocked due to unexpected output
negative_passages.docid: 112862
negative_passages.text: Cause of "Session Circular Kernel Context Logger failed to start error in Event Log?
negative_passages.docid: 40144
negative_passages.text: Fatal error: Call to undefined function session_register()
negative_passages.docid: 29714
negative_passages.text: header("location") causes [500] internal server error?
negative_passages.docid: 76248
negative_passages.text: "Failed to start session" after interrupted upgrade to 14.04
negative_passages.docid: 146078
negative_passages.text: Why are my PHP sessions dying? And why can't I restore them?
negative_passages.docid: 137666
negative_passages.text: Can I change the headers of the HTTP request sent by the browser?
negative_passages.docid: 87400
negative_passages.text: Why do I get "Cannot redirect after HTTP headers have been sent" when I call Response.Redirect()?
negative_passages.docid: 126612
negative_passages.text: How to show a message only if cookies are disabled in browser?