Filter list for Event Espresso version 3.1.X.
Please note that whilst we have tried to document all the available filters, some may not be listed here. Most filters are prefixed with filter_hook_espresso_
Admin Filters
filter_hook_espresso_admin_pages_list
espresso.php
filter_hook_espresso_personal_cb_where
admin-files/functions.php
filter_hook_espresso_question_cols_and_values
questions/insert_question.php
questions/update_question.php
filter_hook_espresso_question_data_formats
questions/insert_question.php
questions/update_question.php
filter_hook_espresso_admin_question_response
admin-reports/edit_attendee_record.php
filter_hook_espresso_event_unfiltered_description
event-management/insert_event.php
event-management/update_event.php
filter_hook_espresso_event_wp_kses_post_description
event-management/insert_event.php
event-management/update_event.php
Email Filters – Event Espresso 3.1.38 onwards
filter_hook_espresso_post_replace_shortcode_search_values
functions/email.php
filter_hook_espresso_post_replace_shortcode_replace_values
functions/email.php
filter_hook_espresso_post_prepare_email_data
functions/email.php
Event Display Filters
filter_hook_espresso_display_ical
functions/email.php
functions/ical.php
templates/event_list_display.php
templates/registration_page_display.php
filter_hook_espresso_display_featured_image
functions/main.php
templates/event_list_display.php
templates/multi_registration_page_display.php
templates/registration_page_display.php
Core Filters
filter_hook_espresso_hidden_meta
includes/admin-files/functions.php
filter_hook_espresso_event_editor_advanced_options
includes/admin-files/event-management/advanced_settings.php
Gateway Filters
None
Process Payments Filters
filter_hook_espresso_get_total_cost
gateways/process_payments.php
aim/aim_ipn.php
anz/anz_vars.php
eway_rapid3/DoDirectPayment.php
eway_rapid3/eway_rapid3_vars.php
google_checkout/google_checkout_ipn.php
ideal/ideal_vars.php
luottokunta/luottokunta_vars.php
megasoft_return.php
paypal_pro/DoDirectPayment.php
psigate/psigate_vars.php
realauth/realauth_vars.php
usaepay_onsite/DoDirectPayment.php
process-registration/payment_page.php
filter_hook_espresso_update_attendee_payment_data_in_db
gateways/process_payments.php
google_checkout\google_checkout_ipn.php
process-registration\payment_page.php
filter_hook_espresso_update_attendee_payment_data_in_db
gateways/process_payments.php
google_checkout\google_checkout_ipn.php
process-registration\payment_page.php
filter_hook_espresso_prepare_event_link
gateways/process_payments.php
aim/aim_ipn.php
anz/anz_vars.php
eway_rapid3/DoDirectPayment.php
eway_rapid3/eway_rapid3_vars.php
google_checkout/google_checkout_ipn.php
luottokunta/luottokunta_vars.php
megasoft_return.php
paypal_pro/DoDirectPayment.php
psigate/psigate_vars.php
usaepay_onsite/DoDirectPayment.php
process-registration/payment_page.php
filter_hook_espresso_transactions_get_attendee_id
gateways/process_payments.php
2checkout/init.php
aim/init.php
anz/init.php
atos/init.php
authnet/init.php
bank/init.php
beanstream/init.php
check/init.php
eway/init.php
eway_rapid3/eway_rapid3_vars.php
eway_rapid3/init.php
exact/init.php
firstdata/init.php
firstdata_e4/init.php
google_checkout/google_checkout_ipn.php
google_checkout/init.php
ideal/init.php
infusionsoft_payment/init.php
luottokunta/init.php
megasoft/init.php
moneris_hpp/init.php
mwarrior/init.php
nab/init.php
paychoice/init.php
paypal/init.php
paypal_pro/init.php
paytrace/init.php
psigate/init.php
purchase_order/init.php
qbms/init.php
quickpay/init.php
realauth/init.php
stripe/init.php
usaepay_onsite/init.php
wepay/init.php
worldpay/init.php
process-registration/payment_page.php
filter_hook_espresso_prepare_payment_data_for_gateways
gateways/process_payments.php
eway_rapid3/eway_rapid3_vars.php
google_checkout/google_checkout_ipn.php
google_checkout/init.php
ideal/ideal_vars.php
ideal/init.php
realauth/realauth_vars.php
process-registration/payment_page.php
filter_hook_espresso_thank_you_get_payment_data
2checkout/init.php
aim/init.php
anz/init.php
atos/init.php
authnet/init.php
bank/init.php
beanstream/init.php
check/init.php
eway/init.php
eway_rapid3/init.php
exact/init.php
firstdata/init.php
firstdata_e4/init.php
google_checkout/google_checkout_ipn.php
google_checkout/init.php
ideal/init.php
infusionsoft_payment/init.php
luottokunta/init.php
megasoft/init.php
moneris_hpp/init.php
mwarrior/init.php
nab/init.php
paychoice/init.php
paypal_pro/init.php
paytrace/init.php
psigate/init.php
purchase_order/init.php
qbms/init.php
quickpay/init.php
realauth/init.php
stripe/init.php
usaepay_onsite/init.php
usaepay_offsite/init.php
wepay/init.php
worldpay/init.php
process-registration/payment_page.php
Registration Process Filters
filter_hook_espresso_shopping_cart_SQL_select
templates/shopping_cart.php
filter_hook_espresso_shopping_cart_event
templates/shopping_cart.php
filter_hook_espresso_default_event_id
templates/registration_page.php
filter_hook_espresso_cart_grand_total
process-registration/add_attendees_to_db.php
filter_hook_espresso_attendee_cost
process-registration/add_attendees_to_db.php
filter_hook_espresso_form_question
functions/attendee_functions.php
functions/form_build.php
filter_hook_espresso_question_formatted_value
functions/form_build.php
filter_hook_espresso_parse_question_answer_for_price
functions/form_build.php
filter_hook_espresso_registration_id
functions/main.php
process-registrations/add_attendees_to_db.php
filter_hook_espresso_form_question_response
functions/attendee_functions.php
filter_hook_espresso_coupon_results
functions/cart.php
filter_hook_espresso_groupon_results
functions/cart.php
filter_hook_espresso_cart_modifier_strings
functions/cart.php
filter_hook_espresso_cart_coupon_events_array
functions/cart.php
filter_hook_espresso_group_price_dropdown_sql
functions/cart.php
filter_hook_espresso_orig_price_and_surcharge_sql
functions/pricing.php