The issue appears to stem from a misunderstanding of how PHP handles paths; variable assignment and directory context can significantly influence the result of functions like opendir.
When specifying paths in PHP, using absolute paths or adjusting relative paths carefully prevents directory-related errors that arise from differing execution contexts.
Ensure that the full path provided to opendir corresponds accurately to where the script is being executed, especially when using variables to define paths.
Debugging scripts often reveals that path-related issues are rooted in how PHP interprets the current directory versus specified variables, requiring careful path management.
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