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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 |
|---|---|
| 2503 | } |
| 2504 | |
| 2505 | /** |
| 2506 | * Filter whether the user can access the rich (Visual) editor. |
| 2507 | * |
| 2508 | * @since 2.1.0 |
| 2509 | * |
| 2510 | * @param bool $wp_rich_edit Whether the user can access to the rich (Visual) editor. |
| 2511 | */ |
| 2512 | return apply_filters( 'user_can_richedit', $wp_rich_edit ); |
| 2513 | } |
| 2514 | |
| 2515 | /** |
| 2516 | * Find out which editor should be displayed by default. |
| 2517 | * |
| 2518 | * Works out which of the two editors to display as the current editor for a |
| 2519 | * user. The 'html' setting is for the "Text" editor tab. |
| 2520 | * |
| 2521 | * @since 2.5.0 |