I reported this as an issue when I created this question. Support worked through it and created a patch for it. It was a complete replace of the Sitecore.Owin.Authentication.IdentityServer.dll
Reference support ID 305761 for the fix.
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LoginGeneral Tech Bugs & Fixes 3 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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manpreet![Tuteehub forum best answer]() Best Answer
                                                
                                                                                                        3 years ago
                                                    Best Answer
                                                
                                                                                                        3 years ago
                                                
                                            
Mixing Sitecore and PHP has worked for all versions up till 9.1. Now PHP pages render fine, but when you post to a page, the
$_POSTcollection is empty now.I took a vanilla Sitecore 9.1 instance and ripped it apart until it was basically an MVC site again. Once I got it that far, it worked again. I have disabled all the modules and handlers in the
web.configworking my way through configs now. I have to imagine it is ahttpRequestBeginor a pipeline.Just looking for any thoughts on diagnosing this. I have disabled my test page with the
IgnoreUrlPrefixes, but Sitecore is still clearing the post variables.Update:
I added a debugging processor at the beginning and end of
httpRequestBeginandhttpRequestEnd. In 8.2 U7 when my php file is in theIgnoreUrlPrefixesI get a hit at the beginning of thehttpRequestBegin. But in 9.1 I do not get the hit. It is skipped. They seem to be handling theIgnoreUrlPrefixesurls differently in 9.1.Update 2
This is reported as a bug. Being worked on now.