Source

File: wp-admin/includes/schema.php

function populate_roles_160() {
	// Add roles.
	add_role( 'administrator', 'Administrator' );
	add_role( 'editor', 'Editor' );
	add_role( 'author', 'Author' );
	add_role( 'contributor', 'Contributor' );
	add_role( 'subscriber', 'Subscriber' );

	// Add caps for Administrator role.
	$role = get_role( 'administrator' );
	$role->add_cap( 'switch_themes' );
	$role->add_cap( 'edit_themes' );
	$role->add_cap( 'activate_plugins' );
	$role->add_cap( 'edit_plugins' );
	$role->add_cap( 'edit_users' );
	$role->add_cap( 'edit_files' );
	$role->add_cap( 'manage_options' );
	$role->add_cap( 'moderate_comments' );
	$role->add_cap( 'manage_categories' );
	$role->add_cap( 'manage_links' );
	$role->add_cap( 'upload_files' );
	$role->add_cap( 'import' );
	$role->add_cap( 'unfiltered_html' );
	$role->add_cap( 'edit_posts' );
	$role->add_cap( 'edit_others_posts' );
	$role->add_cap( 'edit_published_posts' );
	$role->add_cap( 'publish_posts' );
	$role->add_cap( 'edit_pages' );
	$role->add_cap( 'read' );
	$role->add_cap( 'level_10' );
	$role->add_cap( 'level_9' );
	$role->add_cap( 'level_8' );
	$role->add_cap( 'level_7' );
	$role->add_cap( 'level_6' );
	$role->add_cap( 'level_5' );
	$role->add_cap( 'level_4' );
	$role->add_cap( 'level_3' );
	$role->add_cap( 'level_2' );
	$role->add_cap( 'level_1' );
	$role->add_cap( 'level_0' );

	// Add caps for Editor role.
	$role = get_role( 'editor' );
	$role->add_cap( 'moderate_comments' );
	$role->add_cap( 'manage_categories' );
	$role->add_cap( 'manage_links' );
	$role->add_cap( 'upload_files' );
	$role->add_cap( 'unfiltered_html' );
	$role->add_cap( 'edit_posts' );
	$role->add_cap( 'edit_others_posts' );
	$role->add_cap( 'edit_published_posts' );
	$role->add_cap( 'publish_posts' );
	$role->add_cap( 'edit_pages' );
	$role->add_cap( 'read' );
	$role->add_cap( 'level_7' );
	$role->add_cap( 'level_6' );
	$role->add_cap( 'level_5' );
	$role->add_cap( 'level_4' );
	$role->add_cap( 'level_3' );
	$role->add_cap( 'level_2' );
	$role->add_cap( 'level_1' );
	$role->add_cap( 'level_0' );

	// Add caps for Author role.
	$role = get_role( 'author' );
	$role->add_cap( 'upload_files' );
	$role->add_cap( 'edit_posts' );
	$role->add_cap( 'edit_published_posts' );
	$role->add_cap( 'publish_posts' );
	$role->add_cap( 'read' );
	$role->add_cap( 'level_2' );
	$role->add_cap( 'level_1' );
	$role->add_cap( 'level_0' );

	// Add caps for Contributor role.
	$role = get_role( 'contributor' );
	$role->add_cap( 'edit_posts' );
	$role->add_cap( 'read' );
	$role->add_cap( 'level_1' );
	$role->add_cap( 'level_0' );

	// Add caps for Subscriber role.
	$role = get_role( 'subscriber' );
	$role->add_cap( 'read' );
	$role->add_cap( 'level_0' );
}