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Ev	Ev::depth

Ev	Last updated: Mon, 26 Oct 2026

Ev::backend

(PECL ev >= 0.2.0)

Ev::backend — Returns an integer describing the backend used by libev

Description

final public static function Ev::backend(): int

Returns an integer describing the backend used by libev. See Backend flags

Parameters

This function has no parameters.

Return Values

Returns an integer(bit mask) describing the backend used by libev.

See Also

EvEmbed
Ev::embeddableBackends() - Returns the set of backends that are embeddable in other event loops
Ev::recommendedBackends() - Returns a bit mask of recommended backends for current platform
Ev::supportedBackends() - Returns the set of backends supported by current libev configuration
Backend flags

Ev	Ev::depth

Ev	Last updated: Mon, 26 Oct 2026