wp_check_term_hierarchy_for_loops()
Function: Checks the given subset of the term hierarchy for hierarchy loops.
Source: wp-includes/taxonomy.php:5011
get_tax_sql()
Function: Given a taxonomy query, generates SQL to be appended to a main query.
Source: wp-includes/taxonomy.php:925
wp_find_hierarchy_loop()
Function: Finds hierarchy loops using a callback function that maps object IDs to parent IDs.
Source: wp-includes/functions.php:6946
wp_find_hierarchy_loop_tortoise_hare()
Function: Uses the “The Tortoise and the Hare” algorithm to detect loops.
Source: wp-includes/functions.php:6977
_doing_it_wrong()
Function: Marks something as being incorrectly called.
Source: wp-includes/functions.php:5880
wp_list_pluck()
Function: Plucks a certain field out of each object or array in an array.
Source: wp-includes/functions.php:5277
wp_list_filter()
Function: Filters a list of objects, based on a set of key => value arguments.
Source: wp-includes/functions.php:5255
wp_array_slice_assoc()
Function: Extracts a slice of an array, given a list of keys.
Source: wp-includes/functions.php:4940
submit_button()
Function: Echoes a submit button, with provided text and appropriate class(es).
Source: wp-admin/includes/template.php:2447
get_submit_button()
Function: Returns a submit button, with provided text and appropriate class.
Source: wp-admin/includes/template.php:2472