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PHP - Inotify queue_len() Function
inotify_queue_len() function can return a number upper than zero if there are pending events.
Syntax
int inotify_queue_len( resource $inotify_instance )
inotify_queue_len() function can allow us to know if inotify_read() can block or not. If a number upper than zero is returned, there are pending events, and inotify_read() can't block.
php_function_reference.htm
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