wp-includes/formatting.php:5583Sanitizes a multiline string from user input or from the database.
$strstringstringOne hook fires while sanitize_textarea_field() runs, in this order:
Filters a sanitized textarea field string.
function sanitize_textarea_field( $str ) { $filtered = _sanitize_text_fields( $str, true ); /** * Filters a sanitized textarea field string. * * @since 4.7.0 * * @param string $filtered The sanitized string. * @param string $str The string prior to being sanitized. */ return apply_filters( 'sanitize_textarea_field', $filtered, $str );}Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/formatting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.