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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3471 | /** |
| 3472 | * Filters the nonces to send to the New/Edit Post screen. |
| 3473 | * |
| 3474 | * @since 4.3.0 |
| 3475 | * |
| 3476 | * @param array $response The Heartbeat response. |
| 3477 | * @param array $data The $_POST data sent. |
| 3478 | * @param string $screen_id The screen ID. |
| 3479 | */ |
| 3480 | $response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id ); |
| 3481 | |
| 3482 | if ( false === $nonce_state ) { |
| 3483 | // User is logged in but nonces have expired. |
| 3484 | $response['nonces_expired'] = true; |
| 3485 | wp_send_json( $response ); |
| 3486 | } |
| 3487 | } |
| 3488 | |
| 3489 | if ( ! empty( $data ) ) { |