WordPress at a glance
filter is not described

enter_title_here filter-hook . WP 3.1.0

Filters the title field placeholder text.

Usage

add_filter( 'enter_title_here', 'filter_function_name_6344', 10, 2 );
function filter_function_name_6344( $text, $post ){
	// filter...

	return $text;
}
$text(string)
Placeholder text.
Default: 'Enter title here'
$post(WP_Post)
Post object.

Where the hook is called

In file: /wp-admin/edit-form-advanced.php
enter_title_here
wp-admin/edit-form-advanced.php 437
$title_placeholder = apply_filters( 'enter_title_here', __( 'Enter title here' ), $post );
wp-admin/edit-form-blocks.php 277
'titlePlaceholder'       => apply_filters( 'enter_title_here', __( 'Add title' ), $post ),
wp-admin/includes/dashboard.php 508
echo apply_filters( 'enter_title_here', __( 'Title' ), $post );

Where the hook is used (in WP core)

Does not used.