Filters
Filters transform template variables before they are rendered.
- Binaries
- first last length to_binary
- Booleans
- yesno
- Dates
- add_hour add_day add_month add_week add_year date date_range datediff eq_day in_future in_past ne_day sub_hour sub_day sub_month sub_week sub_year timesince…
- Encryption
- md5 sha1
- Character escaping
- brlinebreaks escape escape_check escape_ical escape_link escapejs escapejson escapexml fix_ampersands force_escape linebreaksbr slugify unescape urlencode…
- Forms
- pickle
- HTML
- show_media striptags truncate_html sanitize_html sanitize_url urlize embedded_media without_embedded_media render merge_tags
- Lists
- after before chunk exclude filter first flatten_value group_by index_of is_list join last length make_list member nthtail random randomize range reversed slice…
- Mailing list
- inject_recipientdetails mailinglist_recipient_key_decode
- Menu
- menu_flat menu_ids menu_is_visible menu_expand menu_rsc menu_subtree menu_trail
- Miscellaneous
- gravatar_code ip2country ip2geo is_letsencrypt_valid_hostname format_dispatch_controller_option format_dispatch_path_element
- Numbers
- filesizeformat format_duration format_integer format_number format_price is_even is_number max min minmax rand round round_significant to_integer…
- Regular Expressions
- match replace
- Resource lists
- group_firstchar group_title_firstchar is_a is_not_a is_visible media_for_language
- Resources
- admin_merge_diff content_type_label content_type_urls summary temporary_rsc
- Strings
- append capfirst center filesizeformat format_duration format_integer format_number format_price insert is_valid_email length ljust log_format_stack lower…
- Survey
- survey_answer_split survey_any_correct_answer survey_any_wrong_answer survey_as_pages survey_is_stop survey_is_submit survey_is_pagebreak_submit…
- Translation
- is_rtl language language_dir language_sort language_sort_localized media_for_language set_url_language trans_languages trans_filter_filled translation…
- Tuples
- element
- URLs and links
- is_site_url url url_abs sanitize_url is_letsencrypt_valid_hostname urlize escape_link urlencode urldecode parse_url
- Variables
- as_atom default if if_undefined is_defined is_undefined make_value pprint to_binary to_integer to_json from_json
All Filters
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Normalize an email address, used in the identity management.
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Parses an URL (URI) using uri_string:parse/1 .
Pickle an Erlang value so that it can be safely submitted with a form.
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Generate a list of integers, with an optional step.
Render a template.
Regular expression replacement of a pattern with a string.
Replace $N placeholders in string from a list of replacement values.
Reverse a list.
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Round a floating point value to the nearest integer.
Round a number value to a number of significant digits. The significance defaults to two digits.
Sanitize a HTML code. Removes elements and attributes that might be dangerous, like <script\> elements.
Sanitize an URL. Removes URLs that might be dangerous, like javascript: URLs.
Change the language of an URL to another language. Useful to generate alternative URLs for a page.
Translate a string to a sha1 hex value.
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Perform array-slice operations on a list or string.
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The sort filter takes a list of items to sort. Items can be an ordinary list of terms, property lists, or maps. It can…
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Removes all HTML tags from the value.
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Extract a summary from a resource.
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Determine if any answer of a question was correct. Used for showing results of thurstone test questions.
Determine if any answer of a question was wrong. Used for showing results of thurstone test questions.
Split the page blocks into pages, prepare them for easy display in the survey question editor.
Check if a list of questions contains a pagebreak block with an unconditional submit.
Check if there is a ‘stop’ question in list of (survey) blocks
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Counts the total of all points that can be received for all test questions. Non test questions are not counted.
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Creates a temporary resource if its input value is not defined.
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Filter to derive a Table Of Contents from a HTML body.
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Display any value as in JSON (JavaScript Object Notation).
Returns a list of tokens from input string, separated by the characters in the filter argument.
Map a string to a name . That is a lowercased string with only [a-z0-9_] characters.
Filters all empty translations from a property.
Return a list of all languages present in the given translated text ( #trans{} record).
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Removes whitespace at the start and end of a string.
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Remove the items given in the argument from the filter value.
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Show a boolean value as a text.