Call to Undefined Function tideways_enable()
Tideways provides two PHP extensions, one for our application monitoring, profiling and exception tracking product and one open-source XHProf fork called "https://github.com/tideways/php-xhprof-extension[tideways_xhprof]".
We have split this up in early 2018 and the tideways_xhprof extension got a function rename from tideways_enable() to tideways_xhprof_enable() and for tideways_disable() to tideways_xhprof_disable(). You may find resources on the internet or projects integrations that still use the old syntax.
If you want to use Tideways XHPROF with an open-source user-interface, then the following changes are needed to get the open-source XHProf fork:
Install the extension from its Github repository "master" branch (stable).
Load the extension with extension=tideways_xhprof.so
Use tideways_xhprof_enable() and tideways_xhprof_disable() functions
Use TIDEWAYS_XHPROF_FLAGS (instead of TIDEWAYS_FLAGS).