wp-includes/formatting.php:4394Formats text for the editor.
$textstring$default_editorstringoptionalnullstringOne hook fires while format_for_editor() runs, in this order:
Filters the text after it is formatted for the editor.
function format_for_editor( $text, $default_editor = null ) { if ( $text ) { $text = htmlspecialchars( $text, ENT_NOQUOTES, get_option( 'blog_charset' ) ); } /** * Filters the text after it is formatted for the editor. * * @since 4.3.0 * * @param string $text The formatted text. * @param string $default_editor The default editor for the current user. * It is usually either 'html' or 'tinymce'. */ return apply_filters( 'format_for_editor', $text, $default_editor );}Introduced in 4.3.0. 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.