Sanitizes a multiline string from user input or from the database.

The function is like sanitize_text_field() , but preserves new lines (\n) and other whitespace, which are legitimate input in textarea elements.

• sanitize_text_field()

$str string Required

String to sanitize.

string Sanitized string.

File: wp-includes/formatting.php. View all references

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 );
}