Entry Crumblink



3rd Party (Commercial)
Current Version: 1.2.2

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EE Version Support

  • ExpressionEngine 1.x


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  • Updater
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  • jQuery for the Control Panel

Add-On Type(s)



The purpose of this extension is to display a breadcrumb link on Edit page leading to the entry being edited. The concept of this extension is similar to that of Edit Tab URLs extension which forms URLs for "View" links in Edit section of Control Panel. This add-on will not be converted to EE2. In EE2 use True Preview add-on which has the same functionality and more.

In writing Entry Crumblink extension I strived to achieve most flexible forming of URLs. Flexibility is achieved by running weblog URL templates through a simple but quite powerful template engine.

In extension’s settings you will find a textarea for each weblog. In that textarea a template of weblog’s URL should be entered. Weblog URL templates support several single variables (some of them can have parameters) and advanced conditionals.


1) {site_id}
2) {site_url}
3) {site_index}
4) {homepage}
5) {weblog_id}
6) {weblog_short_name}
7) {weblog_url} - weblog URL as defined in weblog preferences
8) {entry_id}
9) {url_title}
10) {categories_number}
11) {category_levels_number}

Templates support huge number of variables of the types outlined below (level0 is the highest level of categories, level1 is the level of subcategories of highest level, etc.; category0 is the first category of certain level, category1 is the second category, etc.):

11) {level0_category0_cat_id}, {level0_category1_cat_id}, {level0_category2_cat_id} ...
{level1_category0_cat_id}, {level1_category1_cat_id}, {level1_category2_cat_id} ...

12) {level0_category0_parent_id}, {level0_category1_parent_id}, {level0_category2_parent_id} ... {level1_category0_parent_id}, {level1_category1_parent_id}, {level1_category2_parent_id} ... {level99_category99_parent_id}.

13) {level0_category0_group_id}, {level0_category1_group_id}, {level0_category2_group_id} ... {level1_category0_group_id}, {level1_category1_group_id}, {level1_category2_group_id} ... {level99_category99_group_id}.

14) {level0_category0_cat_url_title}, {level0_category1_cat_url_title}, {level0_category2_cat_url_title} ... {level1_category0_cat_url_title}, {level1_category1_cat_url_title}, {level1_category2_cat_url_title} ... {level99_category99_cat_url_title}.

15) {level0_category0_subcats_number}, {level0_category1_subcats_number}, {level0_category2_subcats_number} ... {level1_category0_subcats_number}, {level1_category1_subcats_number}, {level1_category2_subcats_number} ... {level99_category99_subcats_number}.


1) {single_field} variable can have following prarameters:

1) field
2) entry_id
3) weblog
4) url_title
5) category - category id
6) sort - “asc” or “desc”
7) format - field format (e.g. “none”, “raw”)

This variable can be used to output the vavue of some custom field. Parameters do not support pipe character and “not”.

2) {entries_number} variable can have following prarameters:

1) weblog
2) category
3) url_title
4) status
5) entry_id
6) show_expired

This variable can be used to output number of entries posted into certain weblog or category. Parameters do not support pipe character and “not”.

3) {php} variable which can have following parameters:

1) string - string to be run through PHP function
2) function - PHP function name
3) par1 - first argument of PHP function
4) par2 - second argument of PHP function
5) par3 - third argument of PHP function
6) par4 - fourth argument of PHP function
7) par5 - fifth argument of PHP function

Names of PHP functions which can be used as values of “function” parameter are:
addcslashes, bin2hex, chop, chr, chunk_split, convert_cyr_string, convert_uudecode, convert_uuencode, count_chars, crc32, crypt, echo, explode, get_html_translation_table, hebrev, hebrevc, html_entity_decode, htmlentities, htmlspecialchars_decode, htmlspecialchars, join, levenshtein, localeconv, ltrim, md5_file, md5, metaphone, money_format, nl_langinfo, nl2br, number_format, ord, parse_str, print, printf, quoted_printable_decode, quotemeta, rtrim, setlocale, sha1_file, sha1, similar_text, soundex, sprintf, sscanf, str_ireplace, str_pad, str_repeat, str_replace, str_rot13, str_shuffle, str_split, str_word_count, strcasecmp, strchr, strcmp, strcoll, strcspn, strip_tags, stripcslashes, stripos, stripslashes, stristr, strlen, strnatcasecmp, strnatcmp, strncasecmp, strncmp, strpbrk, strpos, strrchr, strrev, strripos, strrpos, strspn, strstr, strtok, strtolower, strtoupper, strtr, substr_compare, substr_count, substr_replace, substr, trim, ucfirst, ucwords, vfprintf, vprintf, vsprintf, wordwrap.

Also the value of “function” parameter can be “parseint”; it is custom PHP function which behaves as Javascript “parseInt” function.

Single variables having parameters are parsed after single variables which do not have parameters; that means that you can use single variables without parameters as the values of parameters.


Here is weblog URL template for one of my weblogs:


Here is more complicated weblog URL template:

{if level0_category0_cat_id == "170" OR level0_category0_cat_id == "175" OR level0_category0_cat_id == "176" OR level0_category0_cat_id == "177"}{homepage}/technical/entry/{url_title}/{/if}

Another quite complicated weblog URL template example:

{homepage}/ebook/general_introduction/{level1_category0_cat_url_title}/{if "{entries_number weblog="ebook_generalintro" category="{level1_category0_cat_id}"}" > 1}{url_title}/{/if} 

Entry Crumblink Links

Hooks Used

If the add-on is an extension, and ties into ExpressionEngine's core files, it will use ExpressionEngine hooks. We are listing any hooks the add-on uses for developers to have an easier time locating other add-ons that they can reference for their own work.

  1. show_full_control_panel_end

This entry was created November 12, 2009, 6:56 pm.
This entry was last updated March 13, 2012, 6:55 am.

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