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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 |
|---|---|
| 3019 | * old-style key is used. |
| 3020 | * |
| 3021 | * @since 3.7.0 Previously plain-text keys were stored in the database. |
| 3022 | * @since 4.3.0 Previously key hashes were stored without an expiration time. |
| 3023 | * |
| 3024 | * @param WP_Error $return A WP_Error object denoting an expired key. |
| 3025 | * Return a WP_User object to validate the key. |
| 3026 | * @param int $user_id The matched user ID. |
| 3027 | */ |
| 3028 | return apply_filters( 'password_reset_key_expired', $return, $user_id ); |
| 3029 | } |
| 3030 | |
| 3031 | return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); |
| 3032 | } |
| 3033 | |
| 3034 | /** |
| 3035 | * Handles sending a password retrieval email to a user. |
| 3036 | * |
| 3037 | * @since 2.5.0 |