WP_Hook::valid(): bool In this article Table of ContentsReturn Source Changelog Copy page View as Markdown Back to top Checks if current position is valid. Return bool Whether the current position is valid. Source #[ReturnTypeWillChange] public function valid() { return key( $this->callbacks ) !== null; } View all references View on Trac View on GitHub Changelog VersionDescription4.7.0Introduced. User Contributed Notes You must log in before being able to contribute a note or feedback.
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