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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 |
|---|---|
| 5590 | |
| 5591 | /** |
| 5592 | * Filters a sanitized textarea field string. |
| 5593 | * |
| 5594 | * @since 4.7.0 |
| 5595 | * |
| 5596 | * @param string $filtered The sanitized string. |
| 5597 | * @param string $str The string prior to being sanitized. |
| 5598 | */ |
| 5599 | return apply_filters( 'sanitize_textarea_field', $filtered, $str ); |
| 5600 | } |
| 5601 | |
| 5602 | /** |
| 5603 | * Internal helper function to sanitize a string from user input or from the database. |
| 5604 | * |
| 5605 | * @since 4.7.0 |
| 5606 | * @access private |
| 5607 | * |
| 5608 | * @param string $str String to sanitize. |