How does php perform file io every KB?

Here is a log analysis program, including file reading and writing, file_put_contents, fgets, and the database loaddatalocalinfile, which is loaded into the database from the file, how to write data to a database with a file size of KB Here is a log analysis program, including file reading and writing, file_put_contents, fgets, and database load data local infile, which is loaded into the database from the file, how to write a database when the file size reaches KB

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Determine the file size before writing the file. when the file size reaches KB, write the original file to the database and then write the file.

The above figure shows how php performs file I/O content every KB. For more information, see PHP Chinese website (www.php1.cn )!