Source View: pre_{$taxonomy}_{$field}

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1648      if ( 'edit' == $context ) {
1649           $value = apply_filters("edit_term_{$field}", $value, $term_id, $taxonomy);
1650           $value = apply_filters("edit_{$taxonomy}_{$field}", $value, $term_id);
1651           if ( 'description' == $field )
1652                $value = esc_html($value); // textarea_escaped
1653           else
1654                $value = esc_attr($value);
1655      } else if ( 'db' == $context ) {
1656           $value = apply_filters("pre_term_{$field}", $value, $taxonomy);
1657           $value = apply_filters("pre_{$taxonomy}_{$field}", $value);
1658           // Back compat filters
1659           if ( 'slug' == $field )
1660                $value = apply_filters('pre_category_nicename', $value);
1661
1662      } else if ( 'rss' == $context ) {
1663           $value = apply_filters("term_{$field}_rss", $value, $taxonomy);
1664           $value = apply_filters("{$taxonomy}_{$field}_rss", $value);
1665      } else {
1666           // Use display filters by default.