New and updated in 3.0.0
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Filters content to display in the middle of the login form.
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functionget_template_part()
Loads a template part into a template.
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Fires before the specified template part file is loaded.
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functionadd_custom_background()
Add callbacks for background image display.
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functionget_user_metavalues()
Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
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functionwp_kses_named_entities()
Callback for `wp_kses_normalize_entities()` regular expression.
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hookposts_search
Filters the search SQL that is used in the WHERE clause of WP_Query.
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functionis_comment_feed()
Is the query for a comments feed?
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functionwp_reset_postdata()
After looping through a separate query, this function restores the $post global to the current post in the main query.
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functionwp_set_internal_encoding()
Sets internal encoding.
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functionwp_magic_quotes()
Adds magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`.
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functionis_multisite()
Determines whether Multisite is enabled.
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functionwp_set_lang_dir()
Sets the location of the language directory.
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functionwp_set_wpdb_vars()
Sets the database table prefix and the format specifiers for database table columns.
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functionwp_start_object_cache()
Starts the WordPress object cache.
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functionwp_not_installed()
Redirects to the installer if WordPress is not installed.
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functionwp_get_mu_plugins()
Retrieves an array of must-use plugin files.
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Retrieves an array of active and valid plugin files.
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functionwp_fix_server_vars()
Fixes `$_SERVER` variables for various setups.
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functionwp_check_php_mysql_versions()
Checks for the required PHP version, and the mysqli extension or a database drop-in.
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functionwp_favicon_request()
Ensures all of WordPress is not loaded when handling a favicon.ico request.
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functionwp_maintenance()
Dies with a maintenance message when conditions are met.
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functionwp_debug_mode()
Sets PHP error reporting based on WordPress debug settings.
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function__return_empty_array()
Returns an empty array.
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functionsend_nosniff_header()
Sends a HTTP header to disable content type sniffing in browsers which support it.
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Filters the list of protocols allowed in HTML attributes.
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function__return_true()
Returns true.
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function__return_false()
Returns false.
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function__return_zero()
Returns 0.
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functionis_main_site()
Determines whether a site is the main site of the current network.