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Page 4
API Letter:
I
WP_REST_Plugins_Controller::is_plugin_installed() – Checks if the plugin is installed.
WP_REST_Plugins_Controller::is_filesystem_available() – Determine if the endpoints are available.
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php
wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php
wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php
wp_edited_image_metadata – filter
rest_is_object() – Determines if a given value is object-like.
rest_is_integer() – Determines if a given value is integer-like.
rest_is_array() – Determines if a given value is array-like.
rest_handle_doing_it_wrong() – Handles _doing_it_wrong errors.
wp_img_tag_add_srcset_and_sizes_attr() – Adds `srcset` and `sizes` attributes to an existing `img` HTML tag.
wp_img_tag_add_srcset_and_sizes_attr – filter
wp_img_tag_add_width_and_height_attr – filter
wp_img_tag_add_loading_attr() – Adds `loading` attribute to an `img` HTML tag.
wp_img_tag_add_loading_attr – filter
wp_img_tag_add_width_and_height_attr() – Adds `width` and `height` attributes to an `img` HTML tag.
wp_image_file_matches_image_meta – filter
wp_image_src_get_dimensions() – Determines an image’s width and height dimensions based on the source file.
wp_image_file_matches_image_meta() – Determines if the image meta data is for the image source file.
wp_is_maintenance_mode() – Check if maintenance mode is enabled.
get_custom_logo_image_attributes – filter
wp-includes/class-wp-block.php
WP_Block_Patterns_Registry::is_registered() – Checks if a pattern is registered.
wp-includes/class-wp-block-patterns-registry.php
wp-includes/class-wp-block-pattern-categories-registry.php
wp-includes/class-wp-block-list.php
wp-includes/cache-compat.php
wp-includes/blocks/index.php
wp-includes/block-patterns/three-buttons.php
wp-includes/block-patterns/two-buttons.php
wp-includes/block-patterns/two-images.php
wp-includes/block-patterns/text-two-columns-with-images.php
wp-includes/block-patterns/text-two-columns.php
wp-includes/block-patterns/quote.php
wp-includes/block-patterns/text-three-columns-buttons.php
wp-includes/block-patterns/heading-paragraph.php
wp-includes/block-patterns/large-header-button.php
wp-includes/block-patterns/large-header.php
wp-includes/block-patterns.php
wp-includes/block-patterns
SimplePie_Item::get_thumbnail() – Get the media:thumbnail of the item
SimplePie_IRI::__destruct() – Clean up
wp-includes/SimplePie/Cache/Redis.php
wp-includes/SimplePie/Cache/Memcached.php
wp-includes/PHPMailer/SMTP.php
PHPMailer::isValidHost() – Validate whether a string contains a valid value to use as a hostname or IP address.
wp-includes/PHPMailer/PHPMailer.php
wp-includes/PHPMailer/Exception.php
wp-includes/PHPMailer
wp_is_auto_update_enabled_for_type() – Checks whether auto-updates are enabled.
wp_opcache_invalidate() – Attempts to clear the opcode cache for an individual PHP file.
wp_opcache_invalidate_file – filter
Theme_Installer_Skin::do_overwrite() – Check if the theme can be overwritten and output the HTML for overwriting a theme on upload.
install_theme_overwrite_comparison – filter
install_theme_overwrite_actions – filter
Theme_Installer_Skin::hide_process_failed() – Hides the `process_failed` error when updating a theme by uploading a zip file.
Plugin_Installer_Skin::do_overwrite() – Check if the plugin can be overwritten and output the HTML for overwriting a plugin on upload.
install_plugin_overwrite_comparison – filter
install_plugin_overwrite_actions – filter
Plugin_Installer_Skin::hide_process_failed() – Hides the `process_failed` error when updating a plugin by uploading a zip file.
WP_Customize_Manager::preserve_insert_changeset_post_content() – Preserve the initial JSON post_content passed to save into the post.
rest_$this_item_schema – filter
is_favicon() – Is the query for the favicon.ico file?
wp_nav_menu_item_custom_fields_customize_template – action
WP_Query::is_favicon() – Is the query for the favicon.ico file?
wp-includes/class-wp-object-cache.php
wp-includes/blocks/social-link.php
wp-includes/assets
wp-includes/assets/script-loader-packages.php
WP_Site_Health::get_instance() – Return an instance of the WP_Site_Health class, or create one if none exist yet.
wp_nav_menu_item_custom_fields – action
admin_email_remind_interval – filter
wp-includes/sodium_compat/src/PHP52
wp-includes/sodium_compat/src/PHP52/SplFixedArray.php
ParagonIE_Sodium_Crypto32::generichash_init_salt_personal() – Initialize a hashing context for BLAKE2b.
ParagonIE_Sodium_Crypto::generichash_init_salt_personal() – Initialize a hashing context for BLAKE2b.
wp-includes/sodium_compat/src/Core32/SecretStream
wp-includes/sodium_compat/src/Core32/SecretStream/State.php
ParagonIE_Sodium_Core_XChaCha20::ietfStreamXorIc() –
ParagonIE_Sodium_Core_XChaCha20::ietfStream() –
wp-includes/sodium_compat/src/Core/SecretStream
wp-includes/sodium_compat/src/Core/SecretStream/State.php
wp-includes/sodium_compat/src/Core/Base64/UrlSafe.php
wp-includes/sodium_compat/src/Core/Base64/Original.php
wp-includes/sodium_compat/src/Core/Base64
wp-includes/sodium_compat/src/Core/Base64/Common.php
wp-includes/sodium_compat/lib/php72compat_const.php
sodium_crypto_secretstream_xchacha20poly1305_init_pull() –
sodium_crypto_secretstream_xchacha20poly1305_init_push() –
signup_blog_init – filter
signup_user_init – filter
signup_another_blog_init – filter
admin_email_check_interval – filter
wp-includes/wp-diff.php
wpdb::get_col_info() – Retrieves column metadata from the last query.
wpdb::load_col_info() – Load the column metadata from the last query.
wpdb::strip_invalid_text_for_column() – Strips any invalid characters from the string for a given table and column.
wpdb::strip_invalid_text() – Strips any invalid characters based on value/charset pairs.
wpdb::strip_invalid_text_from_query() – Strips any invalid characters from the query.
wpdb::_insert_replace_helper() – Helper function for insert and replace.
wpdb::insert() – Insert a row into a table.
wpdb::set_blog_id() – Sets blog id.
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