Adds a null check

[arunshenoy99]

Proposed changes

Type of Change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• Linting and tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

Deprecated: md5): Passing null to
parameter #1 ($string) of type string is deprecated in /app/wordpress/content/mu-
plugins/endurance-page-cache.php on line 763

[arunshenoy99]

@wpscholar please check if this makes sense. Wasn't able to replicate why $uri would be null.

[wpscholar]

@arunshenoy99 I think this makes sense, but let's move it before the $this->should_update_throttled_items = true; line. Doing so should shortcut additional processes that happen on shutdown.