init
Fires after WordPress has finished loading but before any headers are sent.
Most of WP is loaded at this stage, and the user is authenticated. WP continues to load on the init hook that follows (e.g. widgets), and many plugins instantiate themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
If you wish to plug an action once WP is loaded, use the wp_loaded hook below.
Usage
add_action( 'init', 'wp_kama_init_action' );
/**
* Function for `init` action-hook.
*
* @return void
*/
function wp_kama_init_action(){
// action...
}Changelog
| Since 1.5.0 | Introduced. |
Where the hook is called
In file: /wp-settings.php
init
wp-settings.php 742
do_action( 'init' );
Where the hook is used in WordPress
wp-includes/block-bindings/pattern-overrides.php 47
add_action( 'init', '_register_block_bindings_pattern_overrides_source' );
wp-includes/block-bindings/post-data.php 98
add_action( 'init', '_register_block_bindings_post_data_source' );
wp-includes/block-bindings/post-meta.php 70
add_action( 'init', '_register_block_bindings_post_meta_source' );
wp-includes/block-bindings/term-data.php 119
add_action( 'init', '_register_block_bindings_term_data_source' );
wp-includes/block-patterns.php 413
add_action( 'init', '_register_theme_block_patterns' );
wp-includes/blocks/accordion-item.php 75
add_action( 'init', 'register_block_core_accordion_item' );
wp-includes/blocks/accordion.php 45
add_action( 'init', 'register_block_core_accordion' );
wp-includes/blocks/archives.php 174
add_action( 'init', 'register_block_core_archives' );
wp-includes/blocks/avatar.php 166
add_action( 'init', 'register_block_core_avatar' );
wp-includes/blocks/block.php 131
add_action( 'init', 'register_block_core_block' );
wp-includes/blocks/button.php 79
add_action( 'init', 'register_block_core_button' );
wp-includes/blocks/calendar.php 96
add_action( 'init', 'register_block_core_calendar' );
wp-includes/blocks/categories.php 155
add_action( 'init', 'register_block_core_categories' );
wp-includes/blocks/comment-author-name.php 69
add_action( 'init', 'register_block_core_comment_author_name' );
wp-includes/blocks/comment-content.php 85
add_action( 'init', 'register_block_core_comment_content' );
wp-includes/blocks/comment-date.php 64
add_action( 'init', 'register_block_core_comment_date' );
wp-includes/blocks/comment-edit-link.php 65
add_action( 'init', 'register_block_core_comment_edit_link' );
wp-includes/blocks/comment-reply-link.php 87
add_action( 'init', 'register_block_core_comment_reply_link' );
wp-includes/blocks/comment-template.php 153
add_action( 'init', 'register_block_core_comment_template' );
wp-includes/blocks/comments-pagination-next.php 64
add_action( 'init', 'register_block_core_comments_pagination_next' );
wp-includes/blocks/comments-pagination-numbers.php 66
add_action( 'init', 'register_block_core_comments_pagination_numbers' );
wp-includes/blocks/comments-pagination-previous.php 57
add_action( 'init', 'register_block_core_comments_pagination_previous' );
wp-includes/blocks/comments-pagination.php 55
add_action( 'init', 'register_block_core_comments_pagination' );
wp-includes/blocks/comments-title.php 101
add_action( 'init', 'register_block_core_comments_title' );
wp-includes/blocks/comments.php 102
add_action( 'init', 'register_block_core_comments' );
wp-includes/blocks/comments.php 227
add_action( 'init', 'register_legacy_post_comments_block', 21 );
wp-includes/blocks/cover.php 101
add_action( 'init', 'register_block_core_cover' );
wp-includes/blocks/file.php 67
add_action( 'init', 'register_block_core_file' );
wp-includes/blocks/footnotes.php 112
add_action( 'init', 'register_block_core_footnotes_post_meta', 20 );
wp-includes/blocks/footnotes.php 78
add_action( 'init', 'register_block_core_footnotes' );
wp-includes/blocks/gallery.php 183
add_action( 'init', 'register_block_core_gallery' );
wp-includes/blocks/heading.php 56
add_action( 'init', 'register_block_core_heading' );
wp-includes/blocks/home-link.php 176
add_action( 'init', 'register_block_core_home_link' );
wp-includes/blocks/image.php 367
add_action( 'init', 'register_block_core_image' );
wp-includes/blocks/index.php 144
add_action( 'init', 'register_core_block_style_handles', 9 );
wp-includes/blocks/index.php 160
add_action( 'init', 'register_core_block_types_from_metadata' );
wp-includes/blocks/index.php 177
add_action( 'init', 'wp_register_core_block_metadata_collection', 9 );
wp-includes/blocks/latest-comments.php 162
add_action( 'init', 'register_block_core_latest_comments' );
wp-includes/blocks/latest-posts.php 240
add_action( 'init', 'register_block_core_latest_posts' );
wp-includes/blocks/legacy-widget.php 73
add_action( 'init', 'register_block_core_legacy_widget' );
wp-includes/blocks/list.php 54
add_action( 'init', 'register_block_core_list' );
wp-includes/blocks/loginout.php 61
add_action( 'init', 'register_block_core_loginout' );
wp-includes/blocks/media-text.php 131
add_action( 'init', 'register_block_core_media_text' );
wp-includes/blocks/navigation-link.php 441
add_action( 'init', 'register_block_core_navigation_link' );
wp-includes/blocks/navigation-submenu.php 300
add_action( 'init', 'register_block_core_navigation_submenu' );
wp-includes/blocks/navigation.php 1172
add_action( 'init', 'register_block_core_navigation' );
wp-includes/blocks/page-list-item.php 16
add_action( 'init', 'register_block_core_page_list_item' );
wp-includes/blocks/page-list.php 371
add_action( 'init', 'register_block_core_page_list' );
wp-includes/blocks/pattern.php 72
add_action( 'init', 'register_block_core_pattern' );
wp-includes/blocks/post-author-biography.php 53
add_action( 'init', 'register_block_core_post_author_biography' );
wp-includes/blocks/post-author-name.php 63
add_action( 'init', 'register_block_core_post_author_name' );
wp-includes/blocks/post-author.php 81
add_action( 'init', 'register_block_core_post_author' );
wp-includes/blocks/post-comments-count.php 49
add_action( 'init', 'register_block_core_post_comments_count' );
wp-includes/blocks/post-comments-form.php 70
add_action( 'init', 'register_block_core_post_comments_form' );
wp-includes/blocks/post-comments-link.php 75
add_action( 'init', 'register_block_core_post_comments_link' );
wp-includes/blocks/post-content.php 86
add_action( 'init', 'register_block_core_post_content' );
wp-includes/blocks/post-date.php 109
add_action( 'init', 'register_block_core_post_date' );
wp-includes/blocks/post-excerpt.php 86
add_action( 'init', 'register_block_core_post_excerpt' );
wp-includes/blocks/post-featured-image.php 269
add_action( 'init', 'register_block_core_post_featured_image' );
wp-includes/blocks/post-navigation-link.php 139
add_action( 'init', 'register_block_core_post_navigation_link' );
wp-includes/blocks/post-template.php 162
add_action( 'init', 'register_block_core_post_template' );
wp-includes/blocks/post-terms.php 130
add_action( 'init', 'register_block_core_post_terms' );
wp-includes/blocks/post-time-to-read.php 185
add_action( 'init', 'register_block_core_post_time_to_read' );
wp-includes/blocks/post-title.php 74
add_action( 'init', 'register_block_core_post_title' );
wp-includes/blocks/query-no-results.php 65
add_action( 'init', 'register_block_core_query_no_results' );
wp-includes/blocks/query-pagination-next.php 102
add_action( 'init', 'register_block_core_query_pagination_next' );
wp-includes/blocks/query-pagination-numbers.php 133
add_action( 'init', 'register_block_core_query_pagination_numbers' );
wp-includes/blocks/query-pagination-previous.php 95
add_action( 'init', 'register_block_core_query_pagination_previous' );
wp-includes/blocks/query-pagination.php 51
add_action( 'init', 'register_block_core_query_pagination' );
wp-includes/blocks/query-title.php 103
add_action( 'init', 'register_block_core_query_title' );
wp-includes/blocks/query-total.php 90
add_action( 'init', 'register_block_core_query_total' );
wp-includes/blocks/query.php 71
add_action( 'init', 'register_block_core_query' );
wp-includes/blocks/read-more.php 63
add_action( 'init', 'register_block_core_read_more' );
wp-includes/blocks/rss.php 145
add_action( 'init', 'register_block_core_rss' );
wp-includes/blocks/search.php 213
add_action( 'init', 'register_block_core_search' );
wp-includes/blocks/shortcode.php 35
add_action( 'init', 'register_block_core_shortcode' );
wp-includes/blocks/site-logo.php 119
add_action( 'init', 'register_block_core_site_logo' );
wp-includes/blocks/site-tagline.php 53
add_action( 'init', 'register_block_core_site_tagline' );
wp-includes/blocks/site-title.php 69
add_action( 'init', 'register_block_core_site_title' );
wp-includes/blocks/social-link.php 89
add_action( 'init', 'register_block_core_social_link' );
wp-includes/blocks/tag-cloud.php 63
add_action( 'init', 'register_block_core_tag_cloud' );
wp-includes/blocks/template-part.php 303
add_action( 'init', 'register_block_core_template_part' );
wp-includes/blocks/term-count.php 80
add_action( 'init', 'register_block_core_term_count' );
wp-includes/blocks/term-description.php 61
add_action( 'init', 'register_block_core_term_description' );
wp-includes/blocks/term-name.php 81
add_action( 'init', 'register_block_core_term_name' );
wp-includes/blocks/term-template.php 137
add_action( 'init', 'register_block_core_term_template' );
wp-includes/blocks/video.php 91
add_action( 'init', 'register_block_core_video' );
wp-includes/blocks/widget-group.php 62
add_action( 'init', 'register_block_core_widget_group' );
wp-includes/class-wp-customize-manager.php 378
remove_action( 'init', 'wp_cron' );
wp-includes/class-wp-scripts.php 150
add_action( 'init', array( $this, 'init' ), 0 );
wp-includes/default-filters.php 154
add_action( 'init', 'wp_create_initial_comment_meta' );
wp-includes/default-filters.php 366
add_action( 'init', '_register_core_block_patterns_and_categories' );
wp-includes/default-filters.php 367
add_action( 'init', 'check_theme_switched', 99 );
wp-includes/default-filters.php 368
add_action( 'init', array( 'WP_Block_Supports', 'init' ), 22 );
wp-includes/default-filters.php 408
add_action( 'init', 'wp_cron' );
wp-includes/default-filters.php 429
add_action( 'init', 'smilies_init', 5 );
wp-includes/default-filters.php 448
add_action( 'init', 'wp_schedule_delete_old_privacy_export_files' );
wp-includes/default-filters.php 480
add_action( 'init', '_show_post_preview' );
wp-includes/default-filters.php 531
add_action( 'init', 'rest_api_init' );
wp-includes/default-filters.php 542
add_action( 'init', 'wp_sitemaps_get_server' );
wp-includes/default-filters.php 562
add_action( 'init', 'wp_initialize_site_preview_hooks', 1 );
wp-includes/default-filters.php 574
add_action( 'init', 'create_initial_post_types', 0 ); // Highest priority.
wp-includes/default-filters.php 588
add_action( 'init', 'kses_init' );
wp-includes/default-filters.php 605
add_action( 'init', 'wp_load_classic_theme_block_styles_on_demand', 8 ); // Must happen before register_core_block_style_handles() at priority 9.
wp-includes/default-filters.php 650
add_action( 'init', '_wp_footnotes_kses_init' );
wp-includes/default-filters.php 662
add_action( 'init', 'create_initial_taxonomies', 0 ); // Highest priority.
wp-includes/default-filters.php 681
add_action( 'init', 'wp_widgets_init', 1 );
wp-includes/default-filters.php 763
add_action( 'init', 'wp_register_persisted_preferences_meta' );
wp-includes/default-filters.php 766
add_action( 'init', 'wp_create_initial_post_meta' );
wp-includes/default-filters.php 784
add_action( 'init', '_wp_register_default_font_collections' );
wp-includes/ms-default-filters.php 16
add_action( 'init', 'ms_subdomain_constants' );
wp-includes/ms-default-filters.php 25
add_action( 'init', 'maybe_add_existing_user_to_blog' );
wp-includes/theme-previews.php 90
add_action( 'init', 'wp_attach_theme_preview_middleware' );
wp-includes/update.php 1210
add_action( 'init', 'wp_schedule_update_checks' );