WordPress at a glance
filter is not described

the_editor_content filter-hook . WP 2.1.0

Filters the default editor content.

Usage

add_filter( 'the_editor_content', 'filter_function_name_9330', 10, 2 );
function filter_function_name_9330( $content, $default_editor ){
	// filter...

	return $content;
}
$content(string)
Default editor content.
$default_editor(string)
The default editor for the current user. Either 'html' or 'tinymce'.

Changelog

Since 2.1.0 Introduced.

Where the hook is called

_WP_Editors::editor()
the_editor_content
WP_Widget_Text::form()
the_editor_content
wp-includes/class-wp-editor.php 284
$content = apply_filters( 'the_editor_content', $content, $default_editor );
wp-includes/widgets/class-wp-widget-text.php 473
$text = apply_filters( 'the_editor_content', $instance['text'], $default_editor );

Where in WP core the hook is used

wp-includes/class-wp-editor.php 272
add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
wp-includes/class-wp-editor.php 288
remove_filter( 'the_editor_content', 'format_for_editor' );
wp-includes/widgets/class-wp-widget-text.php 466
add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
wp-includes/widgets/class-wp-widget-text.php 477
remove_filter( 'the_editor_content', 'format_for_editor' );