list WordPress admin page hooks in the contextual help, super useful - thanks tutsplus.

show_admin_hooks.php

add_action( 'contextual_help', 'wptuts_screen_help', 10, 3 );
function wptuts_screen_help( $contextual_help, $screen_id, $screen ) {

    // The add_help_tab function for screen was introduced in WordPress 3.3.
    if ( ! method_exists( $screen, 'add_help_tab' ) )
        return $contextual_help;

    global $hook_suffix;

    // List screen properties
    $variables = '<ul style="width:50%;float:left;"> <strong>Screen variables </strong>'
        . sprintf( '<li> Screen id : %s</li>', $screen_id )
        . sprintf( '<li> Screen base : %s</li>', $screen->base )
        . sprintf( '<li>Parent base : %s</li>', $screen->parent_base )
        . sprintf( '<li> Parent file : %s</li>', $screen->parent_file )
        . sprintf( '<li> Hook suffix : %s</li>', $hook_suffix )
        . '</ul>';

    // Append global $hook_suffix to the hook stems
    $hooks = array(
        "load-$hook_suffix",
        "admin_print_styles-$hook_suffix",
        "admin_print_scripts-$hook_suffix",
        "admin_head-$hook_suffix",
        "admin_footer-$hook_suffix"
    );

    // If add_meta_boxes or add_meta_boxes_{screen_id} is used, list these too
    if ( did_action( 'add_meta_boxes_' . $screen_id ) )
        $hooks[] = 'add_meta_boxes_' . $screen_id;

    if ( did_action( 'add_meta_boxes' ) )
        $hooks[] = 'add_meta_boxes';

    // Get List HTML for the hooks
    $hooks = '<ul style="width:50%;float:left;"> <strong>Hooks </strong> <li>' . implode( '</li><li>', $hooks ) . '</li></ul>';

    // Combine $variables list with $hooks list.
    $help_content = $variables . $hooks;

    // Add help panel
    $screen->add_help_tab( array(
        'id'      => 'wptuts-screen-help',
        'title'   => 'Screen Information',
        'content' => $help_content,
    ));

    return $contextual_help;
}