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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 |
|---|---|
| 579 | /** |
| 580 | * Filters the user profile picture description displayed under the Gravatar. |
| 581 | * |
| 582 | * @since 4.4.0 |
| 583 | * @since 4.7.0 Added the `$profileuser` parameter. |
| 584 | * |
| 585 | * @param string $description The description that will be printed. |
| 586 | * @param WP_User $profileuser The current WP_User object. |
| 587 | */ |
| 588 | echo apply_filters( 'user_profile_picture_description', $description, $profileuser ); |
| 589 | ?> |
| 590 | </p> |
| 591 | </td> |
| 592 | </tr> |
| 593 | <?php endif; ?> |
| 594 | |
| 595 | <?php |
| 596 | /** |
| 597 | * Filters the display of the password fields. |