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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 |
|---|---|
| 2875 | |
| 2876 | /** |
| 2877 | * Filters whether to allow a password to be reset. |
| 2878 | * |
| 2879 | * @since 2.7.0 |
| 2880 | * |
| 2881 | * @param bool $allow Whether to allow the password to be reset. Default true. |
| 2882 | * @param int $user_id The ID of the user attempting to reset a password. |
| 2883 | */ |
| 2884 | $allow = apply_filters( 'allow_password_reset', $allow, $user->ID ); |
| 2885 | |
| 2886 | if ( ! $allow ) { |
| 2887 | return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) ); |
| 2888 | } elseif ( is_wp_error( $allow ) ) { |
| 2889 | return $allow; |
| 2890 | } |
| 2891 | |
| 2892 | // Generate something random for a password reset key. |
| 2893 | $key = wp_generate_password( 20, false ); |