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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 |
|---|---|
| 809 | /** |
| 810 | * Fires before the lost password form. |
| 811 | * |
| 812 | * @since 1.5.1 |
| 813 | * @since 5.1.0 Added the `$errors` parameter. |
| 814 | * |
| 815 | * @param WP_Error $errors A `WP_Error` object containing any errors generated by using invalid |
| 816 | * credentials. Note that the error object may not contain any errors. |
| 817 | */ |
| 818 | do_action( 'lost_password', $errors ); |
| 819 | |
| 820 | login_header( __( 'Lost Password' ), '<p class="message">' . __( 'Please enter your username or email address. You will receive an email message with instructions on how to reset your password.' ) . '</p>', $errors ); |
| 821 | |
| 822 | $user_login = ''; |
| 823 | |
| 824 | if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) { |
| 825 | $user_login = wp_unslash( $_POST['user_login'] ); |
| 826 | } |
| 827 | |