WP_Hook::valid()
Checks if current position is valid.
Return
(bool) Whether the current position is valid.
Source
File: wp-includes/class-wp-hook.php
public function valid() {
return key( $this->callbacks ) !== null;
} Changelog
| Version | Description |
|---|---|
| 4.7.0 | Introduced. |
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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_hook/valid