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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 |
|---|---|
| 5610 | |
| 5611 | /** |
| 5612 | * Filters a sanitized textarea field string. |
| 5613 | * |
| 5614 | * @since 4.7.0 |
| 5615 | * |
| 5616 | * @param string $filtered The sanitized string. |
| 5617 | * @param string $str The string prior to being sanitized. |
| 5618 | */ |
| 5619 | return apply_filters( 'sanitize_textarea_field', $filtered, $str ); |
| 5620 | } |
| 5621 | |
| 5622 | /** |
| 5623 | * Internal helper function to sanitize a string from user input or from the database. |
| 5624 | * |
| 5625 | * @since 4.7.0 |
| 5626 | * @access private |
| 5627 | * |
| 5628 | * @param string $str String to sanitize. |