Steps to reproduce

Run ForeachArrayMergeSniff against file that contains inline control structure.

foreach ([] as $item) // inline foreach $a = array_merge([], []); foreach ([] as $item) // array_merge after inline foreach $a = array_merge([], []); 

Expected result

Sniff detects nothing. There is no way to detect function scope without {}.

Actual result

An error occurred during processing; checking has been aborted. The error message was: Undefined index: scope_opener in ...