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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 |
|---|---|
| 3069 | * old-style key is used. |
| 3070 | * |
| 3071 | * @since 3.7.0 Previously plain-text keys were stored in the database. |
| 3072 | * @since 4.3.0 Previously key hashes were stored without an expiration time. |
| 3073 | * |
| 3074 | * @param WP_Error $return A WP_Error object denoting an expired key. |
| 3075 | * Return a WP_User object to validate the key. |
| 3076 | * @param int $user_id The matched user ID. |
| 3077 | */ |
| 3078 | return apply_filters( 'password_reset_key_expired', $return, $user_id ); |
| 3079 | } |
| 3080 | |
| 3081 | return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); |
| 3082 | } |
| 3083 | |
| 3084 | /** |
| 3085 | * Handles sending a password retrieval email to a user. |
| 3086 | * |
| 3087 | * @since 2.5.0 |