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Canvas: Hook/Filter Reference

Each function is listed with the priority at which it is hooked on. To hook something on before each hook set the priority setting lower. To hook on afterwards adjust the priority of your hook higher. Hooks are commonly set at priority 10, as are the Hook and Meta Managers. For more information on creating and using action and filter hooks, see Introduction to Hooks, Actions and Filters.

Visual hook reference

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The Canvas home page annotated with its hooks and filters.

Header hooks

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  • woo_top – Executed below the opening  tag
  • woo_header_before – Executed before the opening #header DIV tag
  • woo_header_inside – Executed at the top, inside the #header DIV tag
  • woo_header_after – Executed after the closing #header DIV tag

Main content area hooks

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  • woo_content_before – Executed before the opening #content DIV tag
  • woo_main_before – Executed before the opening #main DIV tag
  • woo_loop_before – Executed before the WordPress Loop
  • loop_start – Executed at the start of the WordPress Loop
  • loop_end – Executed at the end of the WordPress Loop
  • woo_loop_after – Executed after the WordPress Loop
  • woo_main_after – Executed after the closing #main DIV tag
  • woo_content_after – Executed after the closing #content DIV tag

Post hooks

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  • woo_post_before – Executed before each post
  • woo_post_inside_before – Executed at the top, inside each post’s DIV tag
  • woo_post_inside_after – Executed at the bottom, inside each post’s DIV tag
  • woo_post_after – Executed after each post

Sidebar hooks

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  • woo_sidebar_before – Executed before the opening #sidebar DIV tag
  • woo_sidebar_inside_before – Executed after the opening #sidebar DIV tag
  • woo_sidebar_inside_after – Executed before the closing #sidebar DIV tag
  • woo_sidebar_after – Executed after the closing #sidebar DIV tag

Footer hooks

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  • woo_footer_top – Executed at the top of the footer.php file
  • woo_footer_before – Executed before the opening #footer DIV tag
  • woo_footer_inside – Executed at the top, inside the #footer DIV tag
  • woo_footer_left_before – Executed before the content of the left column in the #footer DIV tag
  • woo_footer_left_after – Executed after the content of the left column in the #footer DIV tag
  • woo_footer_right_before – Executed before the content of the right column in the #footer DIV tag
  • woo_footer_right_after – Executed after the content of the right column in the #footer DIV tag
  • woo_footer_after – Executed after the closing #footer DIV tag

Common WordPress Hooks

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  • wp_head – Executed before the closing  tag
  • wp_footer – Executed before the closing tag

Filter Reference

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woo_archive_title

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  • The title on archive page templates (archive.php, category.php, tag.php, taxonomy.php)
  • Parameters: 3 ( $title, $before, $after )

woothemes_pagelinks_args

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  • The arguments used when generating the pagination links on multi-page posts/pages
  • For a list of available arguments, see this page on the WordPress Codex
  • Parameters: 1 ( $args array )
  • Return: 1 ( $args array )

the_title

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  • The title of any page/post
  • Parameters: 3 ( $title, $before, $after )
  • Return: 1 ( $title string )

woo_post_more

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  • The meta data after the title of each blog post
  • Parameters: 1 ( $text string )
  • Return: 1 ( $text string )

woo_footer_left

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  • The HTML in the left column of the footer
  • Parameters: 1 ( $text string )
  • Return: 1 ( $text string )

woo_footer_right

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  • The HTML in the right column of the footer
  • Parameters: 1 ( $text string )
  • Return: 1 ( $text string )

Hooked functions

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after_setup_theme

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  • woothemes_setup

get_template_part_content

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  • woo_magazine_adjust_tumblog_widths ( Priority: 2 Number of Accepted Arguments: 10 )

woo_footer_top

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  • woo_footer_sidebars ( Priority: 30 )

woo_head

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  • woo_conditionals ( Priority: 10 )

woo_header_after

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  • woo_nav ( Priority: 10 )

woo_loop_before

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  • woo_author_box ( Priority: 10 )

woo_nav_inside

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  • woo_nav_subscribe ( Priority: 10 )

woo_post_after

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  • woo_postnav ( Priority: 10 )

woo_post_inside_after

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  • woo_subscribe_connect

woo_post_inside_after_singular-post

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  • woo_post_inside_after_default ( Priority: 10 )

woo_post_inside_before

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  • woo_display_post_image ( Priority: 10 )

woo_top

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  • woo_top_navigation ( Priority: 10 )

woo_tumblog_content_after

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  • woo_tumblog_content

woo_tumblog_content_before

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  • woo_tumblog_content

woothemes_add_css

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  • woo_load_prettyphoto ( Priority: 10 )

woothemes_add_javascript

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  • woo_load_prettyphoto ( Priority: 10 )

wp_footer

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  • woo_widget_tabs_js

wp_head

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  • woo_subscribe_connect_action ( Priority: 10 )

wp_print_scripts

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  • woothemes_add_javascript

wp_print_styles

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  • woothemes_add_css

Filtered Functions

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body_class

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  • woo_add_lightbox_body_class ( Priority: 10 )

comment_form_default_fields

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  • woo_comment_form_fields ( Priority: 10 )

comment_form_defaults

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  • woo_comment_form_args ( Priority: 10 )

comment_form_field_comment

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  • woo_comment_form_comment ( Priority: 10 )

feed_link

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  • woo_feedburner_link ( Priority: 10 )

option_woo_tumblog_audio_width

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  • woo_magazine_tumblog_adjust_width_grid ( Priority: 10 )

option_woo_tumblog_image_width

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  • woo_magazine_tumblog_adjust_width_grid ( Priority: 10 )

option_woo_tumblog_video_width

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  • woo_magazine_tumblog_adjust_width_grid ( Priority: 10 )

posts_where

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  • filter_where

pre_get_posts

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  • woo_exclude_categories_homepage ( Priority: 10 )

template_include

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  • woo_load_posts_page_blog_template ( Priority: 10 )

the_content

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  • add_image_RSS

the_content_rss

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  • woo_custom_tumblog_rss_output

the_excerpt_rss

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  • add_image_RSS

widget_text

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  • do_shortcode

woo_blog_template_query_args

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  • woo_exclude_categories_blogtemplate ( Priority: 10 )

woo_breadcrumbs_args

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  • woo_portfolio_filter_breadcrumbs_args ( Priority: 10 )

woo_content_templates

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  • woo_content_templates_magazine ( Priority: 10 )

woo_filter_post_meta

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  • woo_portfolio_post_meta ( Priority: 20 )

woo_load_feedback_js

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  • __return_true ( Priority: 10 )

woo_post_more

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  • woo_portfolio_post_more ( Priority: 20 )

wp_page_menu_args

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  • woo_home_page_menu_args