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sem_getGet a semaphore id Description
SysvSemaphorefalse sem_get(
int $key ,int $max_acquire = 1,int $permissions = 0666,bool $auto_release = true )
sem_get returns an id that can be used to
access the System V semaphore with the given A second call to sem_get for the same key will return a different semaphore identifier, but both identifiers access the same underlying semaphore.
If Parameters
Return Values
Returns a positive semaphore identifier on success, or Changelog
NotesWarning
When using sem_get to access a semaphore created
outside PHP, note that the semaphore must have been created as a set of 3
semaphores (for example, by specifying 3 as the See Also
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