general
- Use self:: instead of Cache:: or static::
- Rename $dirCache to $workingDir
- Initialize $workingDir with null
function setDir
- Clear previous working directory before checking input parameters
- Change wording for the exception messages
- Store realpath instead of raw parameter
- Add path separator
This ensures the path always ends with the path separator, as assumed
by Cache::create
- Add check if the provided working directory is a valid directory
function getDir
- Use static parameter instead of function variable
- Change wording for the exception message
function create
- Rename parameter $nameCache to $name
- Rename $pathCache to $filePath
- Change wording for the exception messages
function isValidNameCache
- Rename function to isCacheName
- Rename parameter $nameCache to $name
- Explain in the function documentation the meaning of a 'valid name'
- Ensure Boolean return value (preg_match returns integer)
- Check if $name is a string
- Use slashes to enclose the regex
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