2.0.14 - Custom Index Search Method results Blank Out after switching to PHP 7.1

Started by HDB, October 08, 2017, 01:13:56 PM

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In the Administration Center → Search → Search Method I had the "Search Method" selected to be a Custom Index but after switching to PHP 7.1, I am no longer able to get the search to work. When a search is done it yields a blank page with Custom Index as the selected search method. In my case no errors are being generated as have been mentioned in these two recent support threads...

[2.0.14] PHP7.0 and search with custom index error

2.0.14 search function http error 500

If I select the option "No Index" in the search method settings the search works fine.

In an attempt to fix the issue I tried deleting the existing Custom Index and after rebuilding it the same issue is present... any search will result in a blank page with no server errors or SMF errors.

The particulars of my forum is as follows...

Version Information:
Forum version: SMF 2.0.14 (more detailed)
Current SMF version: SMF 2.0.14
GD version: bundled (2.1.0 compatible)
MySQL version: 5.6.36-cll-lve
PHP: 7.1.7
Server version: Apache

I was wondering if maybe a PHP module was not installed by my host so I talked with them about this and comparing PHP 5.4 which I came from, to PHP 7.1 we saw some consistencies of modules and some new PHP modules that were introduced. Is there a PHP module dependency that might be the root cause of this? 



Address the process rather than the outcome.  Then, the outcome becomes more likely.   - Fripp