ExpressionEngine® 3 User Guide

Legacy Documentation

You are using the documentation for version 3.5.13. Go here for the latest version or check here for your available upgrades to ExpressionEngine 4.

Reserved Words

Reserved for Templates

To avoid template confusion, some words are reserved for ExpressionEngine’s use and can not be used in Template Names. Below is a list of reserved words.

  • act
  • css

There are some additional words that may be reserved in certain circumstances. The following list represents the ExpressionEngine defaults; however, the user-chosen trigger is what will be reserved.

  • category - reserved when the option to allow Category Names in URLs is enabled
  • forum - reserved when the Forum Module is installed
  • member - reserved when the Member Module is installed

Reserved for Global Variables

There are some words reserved for ExpressionEngine’s use that may not be used in naming Template Variables. Below is a list of reserved words.

  • lang
  • charset
  • CSRF_TOKEN
  • homepage
  • debug_mode
  • gzip_mode
  • version
  • elapsed_time
  • hits
  • total_queries
  • XID_HASH

Reserved for Fields

To avoid potential parsing conflicts, some words are reserved and are not available to use as channel or member fields. Below is a list of reserved words.

  • aol_im
  • app_version
  • author
  • author_id
  • avatar_image_height
  • avatar_image_width
  • avatar_url
  • captcha
  • charset
  • comment_auto_path
  • comment_entry_id_auto_path
  • comment_tb_total
  • comment_total
  • comment_url_title_path
  • count
  • current_time
  • date
  • debug_mode
  • edit_date
  • elapsed_time
  • email
  • embed
  • encode
  • entry_date
  • entry_id
  • entry_id_path
  • expiration_date
  • forum_topic_id
  • gmt_edit_date
  • gmt_entry_date
  • group_description
  • group_id
  • gzip_mode
  • hits
  • homepage
  • icq
  • interests
  • ip_address
  • ip_hostname
  • lang
  • location
  • member_group
  • member_id
  • member_profile_link
  • member_search_path
  • most_recent_comment
  • msn_im
  • occupation
  • path
  • permalink
  • photo_image_height
  • photo_image_width
  • photo_url
  • private_messages
  • profile_path
  • random
  • recent_comment_date
  • relative_date
  • relative_url
  • screen_name
  • signature
  • signature_image_height
  • signature_image_url
  • signature_image_width
  • site_index
  • site_name
  • site_url
  • status
  • stylesheet
  • switch
  • title
  • title_permalink
  • total_comments
  • total_entries
  • total_forum_posts
  • total_forum_topics
  • total_queries
  • total_results
  • trimmed_url
  • url
  • url_as_email_as_link
  • url_or_email
  • url_or_email_as_author
  • url_title
  • url_title_path
  • username
  • version
  • view_count_four
  • view_count_one
  • view_count_three
  • view_count_two
  • channel
  • channel_id
  • webmaster_email
  • yahoo_im