This filter is documented in wp-admin/includes/ajax-actions.php
widgets.php
This action is documented in wp-admin/includes/ajax-actions.php
load-widgets.php
This action is documented in wp-admin/includes/ajax-actions.php
term_search_min_chars
Filters the minimum number of characters required to fire a tag search via Ajax.
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heartbeat_nopriv_tick
Fires when Heartbeat ticks in no-privilege environments.
heartbeat_nopriv_send
Filters Heartbeat Ajax response in no-privilege environments when no data is passed.
heartbeat_nopriv_received
Filters Heartbeat Ajax response in no-privilege environments.
export_filters
Fires at the end of the export filters form.
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export_args
Filters the export args.
bulk_post_updated_messages
Filters the bulk action updated messages.
after-{$taxonomy}-table
Fires after the taxonomy list table.
{$taxonomy}_add_form
Fires at the end of the Add Term form for all taxonomies.
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add_tag_form
Fires at the end of the Add Tag form.
edit_link_category_form
Fires at the end of the Edit Link form.
edit_category_form
Fires at the end of the Edit Category form.