2020年1月21日 — Flags such as LOCK_EX and LOCK_NB will be defined to have values which are powers of 2. They are intended to be combined by bitwise OR (the ...
2010年9月15日 — flock with LOCK_EX will BLOCK UNTIL ALL READER LOCKS HAVE BEEN RELEASED. If the file has been locked with LOCK_EX in another process, the CALL ...
2011年3月31日 — LOCK_NB means non-blocking. Usually when you try to lock a file, your PHP script execution will stop. The call to flock() then blocks it ...