WordPress at a glance
filter is not described

esc_textarea filter-hook . WP 3.1.0

Filters a string cleaned and escaped for output in a textarea element.

Usage

add_filter( 'esc_textarea', 'filter_function_name_9727', 10, 2 );
function filter_function_name_9727( $safe_text, $text ){
	// filter...

	return $safe_text;
}
$safe_text(string)
The text after it has been escaped.
* @param string $text The text prior to being escaped.
$text
-

Where the hook is called

esc_textarea()
esc_textarea
wp-includes/formatting.php 4012
return apply_filters( 'esc_textarea', $safe_text, $text );

Where the hook is used (in WP core)

Does not used.