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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 |
|---|---|
| 3033 | * old-style key is used. |
| 3034 | * |
| 3035 | * @since 3.7.0 Previously plain-text keys were stored in the database. |
| 3036 | * @since 4.3.0 Previously key hashes were stored without an expiration time. |
| 3037 | * |
| 3038 | * @param WP_Error $return A WP_Error object denoting an expired key. |
| 3039 | * Return a WP_User object to validate the key. |
| 3040 | * @param int $user_id The matched user ID. |
| 3041 | */ |
| 3042 | return apply_filters( 'password_reset_key_expired', $return, $user_id ); |
| 3043 | } |
| 3044 | |
| 3045 | return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); |
| 3046 | } |
| 3047 | |
| 3048 | /** |
| 3049 | * Handles sending a password retrieval email to a user. |
| 3050 | * |
| 3051 | * @since 2.5.0 |