WordPress hook directory
pre_{$taxonomy}_{$field}

Important warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not. You can usually catch this sort of thing by comparing this hook to the list of "related hooks" below.

Former names for pre_{$taxonomy}_{$field}

This is a variable hook. Because its name contains some variables, this hook might actually refer to several different possible hooks.

This variable hook replaces the following non-variable hooks found in earlier versions of WP. You may want to read up on these older hooks to get a better idea of what this variable hook can do.

Replaced Hook Version when Changed Information about Hook
pre_category_description2.3Applied to the category desription prior to saving in the database. Sources: [1] and [2]
pre_category_name2.3Applied to the category name prior to saving in the database. Sources: [1] and [2]

WordPress version history for pre_{$taxonomy}_{$field}

This database has information for all major versions from WP 1.2.1 through 5.1.

Version File Line Type
2.3 wp-includes/taxonomy.php 709 View in context filter
2.5 wp-includes/taxonomy.php 841 View in context filter
2.6 wp-includes/taxonomy.php 866 View in context filter
2.7 wp-includes/taxonomy.php 948 View in context filter
2.8 wp-includes/taxonomy.php 1002 View in context filter
2.9 wp-includes/taxonomy.php 1005 View in context filter
3.0 wp-includes/taxonomy.php 1234 View in context filter
3.1 wp-includes/taxonomy.php 1543 View in context filter
3.2 wp-includes/taxonomy.php 1591 View in context filter
3.3 wp-includes/taxonomy.php 1594 View in context filter
3.4 wp-includes/taxonomy.php 1632 View in context filter
3.5 wp-includes/taxonomy.php 1652 View in context filter
3.6 wp-includes/taxonomy.php 1657 View in context filter
3.7 wp-includes/taxonomy.php 1733 View in context filter
3.8 wp-includes/taxonomy.php 1731 View in context filter
3.9 wp-includes/taxonomy.php 1854 View in context filter
4.0 wp-includes/taxonomy.php 1871 View in context filter
4.1 wp-includes/taxonomy.php 2221 View in context filter
4.2 wp-includes/taxonomy.php 2288 View in context filter
4.3 wp-includes/taxonomy.php 2319 View in context filter
4.4 wp-includes/taxonomy.php 1917 View in context filter
4.5 wp-includes/taxonomy.php 2103 View in context filter
4.6 wp-includes/taxonomy.php 1597 View in context filter
4.7 wp-includes/taxonomy.php 1499 View in context filter
4.8 wp-includes/taxonomy.php 1467 View in context filter
4.9 wp-includes/taxonomy.php 1504 View in context filter
5.0 wp-includes/taxonomy.php 1503 View in context filter
5.1 wp-includes/taxonomy.php 1588 View in context filter

Related Hooks

We find related hooks using word stems. pre_{$taxonomy}_{$field} has 2 significant word stem(s): taxonomy, field. Note that some of the hooks below may not appear in all versions of WP.