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International PHP Conference Berlin 2025
Getting Started
Introduction
A simple tutorial
Language Reference
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Einführung »
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PHP-Handbuch
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Ev
Einführung
Installation/Konfiguration
Anforderungen
Installation
Beispiele
Watchers
Watcher callbacks
Periodic watcher operation modes
Ev
— The Ev class
Ev::backend
— Returns an integer describing the backend used by libev
Ev::depth
— Returns recursion depth
Ev::embeddableBackends
— Returns the set of backends that are embeddable in other event loops
Ev::feedSignal
— Feed a signal event info Ev
Ev::feedSignalEvent
— Feed signal event into the default loop
Ev::iteration
— Return the number of times the default event loop has polled for new events
Ev::now
— Returns the time when the last iteration of the default event loop has started
Ev::nowUpdate
— Establishes the current time by querying the kernel, updating the time returned by Ev::now in the progress
Ev::recommendedBackends
— Returns a bit mask of recommended backends for current platform
Ev::resume
— Resume previously suspended default event loop
Ev::run
— Begin checking for events and calling callbacks for the default loop
Ev::sleep
— Block the process for the given number of seconds
Ev::stop
— Stops the default event loop
Ev::supportedBackends
— Returns the set of backends supported by current libev configuration
Ev::suspend
— Suspend the default event loop
Ev::time
— Returns the current time in fractional seconds since the epoch
Ev::verify
— Performs internal consistency checks(for debugging)
EvCheck
— The EvCheck class
EvCheck::__construct
— Constructs the EvCheck watcher object
EvCheck::createStopped
— Create instance of a stopped EvCheck watcher
EvChild
— The EvChild class
EvChild::__construct
— Constructs the EvChild watcher object
EvChild::createStopped
— Create instance of a stopped EvCheck watcher
EvChild::set
— Configures the watcher
EvEmbed
— The EvEmbed class
EvEmbed::__construct
— Constructs the EvEmbed object
EvEmbed::createStopped
— Create stopped EvEmbed watcher object
EvEmbed::set
— Configures the watcher
EvEmbed::sweep
— Make a single, non-blocking sweep over the embedded loop
EvFork
— The EvFork class
EvFork::__construct
— Constructs the EvFork watcher object
EvFork::createStopped
— Creates a stopped instance of EvFork watcher class
EvIdle
— The EvIdle class
EvIdle::__construct
— Constructs the EvIdle watcher object
EvIdle::createStopped
— Creates instance of a stopped EvIdle watcher object
EvIo
— The EvIo class
EvIo::__construct
— Constructs EvIo watcher object
EvIo::createStopped
— Create stopped EvIo watcher object
EvIo::set
— Configures the watcher
EvLoop
— The EvLoop class
EvLoop::backend
— Returns an integer describing the backend used by libev
EvLoop::check
— Creates EvCheck object associated with the current event loop instance
EvLoop::child
— Creates EvChild object associated with the current event loop
EvLoop::__construct
— Constructs the event loop object
EvLoop::defaultLoop
— Returns or creates the default event loop
EvLoop::embed
— Creates an instance of EvEmbed watcher associated with the current EvLoop object
EvLoop::fork
— Creates EvFork watcher object associated with the current event loop instance
EvLoop::idle
— Creates EvIdle watcher object associated with the current event loop instance
EvLoop::invokePending
— Invoke all pending watchers while resetting their pending state
EvLoop::io
— Create EvIo watcher object associated with the current event loop instance
EvLoop::loopFork
— Must be called after a fork
EvLoop::now
— Returns the current "event loop time"
EvLoop::nowUpdate
— Establishes the current time by querying the kernel, updating the time returned by EvLoop::now in the progress
EvLoop::periodic
— Creates EvPeriodic watcher object associated with the current event loop instance
EvLoop::prepare
— Creates EvPrepare watcher object associated with the current event loop instance
EvLoop::resume
— Resume previously suspended default event loop
EvLoop::run
— Begin checking for events and calling callbacks for the loop
EvLoop::signal
— Creates EvSignal watcher object associated with the current event loop instance
EvLoop::stat
— Creates EvStat watcher object associated with the current event loop instance
EvLoop::stop
— Stops the event loop
EvLoop::suspend
— Suspend the loop
EvLoop::timer
— Creates EvTimer watcher object associated with the current event loop instance
EvLoop::verify
— Performs internal consistency checks(for debugging)
EvPeriodic
— The EvPeriodic class
EvPeriodic::again
— Simply stops and restarts the periodic watcher again
EvPeriodic::at
— Returns the absolute time that this watcher is supposed to trigger next
EvPeriodic::__construct
— Constructs EvPeriodic watcher object
EvPeriodic::createStopped
— Create a stopped EvPeriodic watcher
EvPeriodic::set
— Configures the watcher
EvPrepare
— The EvPrepare class
EvPrepare::__construct
— Constructs EvPrepare watcher object
EvPrepare::createStopped
— Creates a stopped instance of EvPrepare watcher
EvSignal
— The EvSignal class
EvSignal::__construct
— Constructs EvSignal watcher object
EvSignal::createStopped
— Create stopped EvSignal watcher object
EvSignal::set
— Configures the watcher
EvStat
— The EvStat class
EvStat::attr
— Returns the values most recently detected by Ev
EvStat::__construct
— Constructs EvStat watcher object
EvStat::createStopped
— Create a stopped EvStat watcher object
EvStat::prev
— Returns the previous set of values returned by EvStat::attr
EvStat::set
— Configures the watcher
EvStat::stat
— Initiates the stat call
EvTimer
— The EvTimer class
EvTimer::again
— Restarts the timer watcher
EvTimer::__construct
— Constructs an EvTimer watcher object
EvTimer::createStopped
— Creates EvTimer stopped watcher object
EvTimer::set
— Configures the watcher
EvWatcher
— The EvWatcher class
EvWatcher::clear
— Clear watcher pending status
EvWatcher::__construct
— Abstract constructor of a watcher object
EvWatcher::feed
— Feeds the given revents set into the event loop
EvWatcher::getLoop
— Returns the loop responsible for the watcher
EvWatcher::invoke
— Invokes the watcher callback with the given received events bit mask
EvWatcher::keepalive
— Configures whether to keep the loop from returning
EvWatcher::setCallback
— Sets new callback for the watcher
EvWatcher::start
— Starts the watcher
EvWatcher::stop
— Stops the watcher
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