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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 |
|---|---|
| 322 | |
| 323 | /** |
| 324 | * Filter whether to allow a password to be reset. |
| 325 | * |
| 326 | * @since 2.7.0 |
| 327 | * |
| 328 | * @param bool true Whether to allow the password to be reset. Default true. |
| 329 | * @param int $user_data->ID The ID of the user attempting to reset a password. |
| 330 | */ |
| 331 | $allow = apply_filters( 'allow_password_reset', true, $user_data->ID ); |
| 332 | |
| 333 | if ( ! $allow ) |
| 334 | return new WP_Error('no_password_reset', __('Password reset is not allowed for this user')); |
| 335 | else if ( is_wp_error($allow) ) |
| 336 | return $allow; |
| 337 | |
| 338 | // Generate something random for a password reset key. |
| 339 | $key = wp_generate_password( 20, false ); |
| 340 | |