SQLite3 is one of the most efficient cache methods in terms of memory. Get the same result as for cache_in_memory would assume that PHPExcel to meet a problem to use it. What is the return of setCacheStorageMethod in this case?
Without being able to give accurate values, I know that one of my scripts work when I use sqlite3 while it fails with the in-memory cache.
If you want to produce the CSV from a database, a simple script will be certainly more effective.
Without being able to give accurate values, I know that one of my scripts work when I use sqlite3 while it fails with the in-memory cache.
If you want to produce the CSV from a database, a simple script will be certainly more effective.