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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 |
|---|---|
| 5431 | |
| 5432 | /** |
| 5433 | * Filters a sanitized textarea field string. |
| 5434 | * |
| 5435 | * @since 4.7.0 |
| 5436 | * |
| 5437 | * @param string $filtered The sanitized string. |
| 5438 | * @param string $str The string prior to being sanitized. |
| 5439 | */ |
| 5440 | return apply_filters( 'sanitize_textarea_field', $filtered, $str ); |
| 5441 | } |
| 5442 | |
| 5443 | /** |
| 5444 | * Internal helper function to sanitize a string from user input or from the db |
| 5445 | * |
| 5446 | * @since 4.7.0 |
| 5447 | * @access private |
| 5448 | * |
| 5449 | * @param string $str String to sanitize. |