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How to perform a binary search in SQL to efficiently find records in a `logs` table where the `created_at` date has no type of any indices. This method narrows down the search range by iteratively adjusting the `id` range, and then performs the final query on the optimized range, while `id` is sequential auto increment column.
Multi Files uploader is php oop classes to upload file or more with one input file html, with validation of the file type, size and extention;then move uploaded files.