Functions

functionis_email()

Verifies that an email is valid.

Used by 24 functions | Uses 2 functions | Source: wp-includes/formatting.php:3551
functionis_email_address_unsafe()

Checks an email address against a list of banned domains.

Used by 1 function | Uses 2 functions | Source: wp-includes/ms-functions.php:398
functionis_embed()

Is the query for an embedded post?

Used by 5 functions | Uses 3 functions | Source: wp-includes/query.php:878
functionis_error()

Used by 0 functions | Uses 0 functions | Source: wp-includes/rss.php:706
functionis_favicon()

Is the query for the favicon.ico file?

Used by 2 functions | Uses 3 functions | Source: wp-includes/query.php:672
functionis_feed()

Determines whether the query is for a feed.

Used by 7 functions | Uses 3 functions | Source: wp-includes/query.php:413
functionis_front_page()

Determines whether the query is for the front page of the site.

Used by 7 functions | Uses 3 functions | Source: wp-includes/query.php:466
functionis_gd_image()

Determines whether the value is an acceptable type for GD image functions.

Used by 10 functions | Uses 0 functions | Source: wp-includes/media.php:4120
functionis_header_video_active()

Checks whether the custom header video is eligible to show on the current page.

Used by 2 functions | Uses 2 functions | Source: wp-includes/theme.php:1774
functionis_home()

Determines whether the query is for the blog homepage.

Used by 7 functions | Uses 3 functions | Source: wp-includes/query.php:499
functionis_info()

Used by 0 functions | Uses 0 functions | Source: wp-includes/rss.php:694
functionis_lighttpd_before_150()

Determines whether the server is running an earlier than 1.5.0 version of lighttpd.

Used by 0 functions | Uses 0 functions | Source: wp-includes/functions.php:6141
functionis_locale_switched()

Determines whether switch_to_locale() is in effect.

Used by 0 functions | Uses 1 function | Source: wp-includes/l10n.php:1916
functionis_local_attachment()

Determines whether an attachment URI is local and really an attachment.

Used by 1 function | Uses 3 functions | Source: wp-includes/post.php:6607
functionis_login()

Determines whether the current request is for the login screen.

Used by 0 functions | Uses 1 function | Source: wp-includes/load.php:1336
functionis_main_blog()

Deprecated functionality to determine if the current site is the main site.

Used by 0 functions | Uses 2 functions | Source: wp-includes/ms-deprecated.php:154
functionis_main_network()

Determines whether a network is the main network of the Multisite installation.

Used by 4 functions | Uses 3 functions | Source: wp-includes/functions.php:6454
functionis_main_query()

Determines whether the query is the main query.

Used by 2 functions | Uses 4 functions | Source: wp-includes/query.php:902
functionis_main_site()

Determines whether a site is the main site of the current network.

Used by 18 functions | Uses 3 functions | Source: wp-includes/functions.php:6410
functionis_month()

Determines whether the query is for an existing month archive.

Used by 3 functions | Uses 3 functions | Source: wp-includes/query.php:553
functionis_multisite()

Determines whether Multisite is enabled.

Used by 173 functions | Uses 0 functions | Source: wp-includes/load.php:1448
functionis_multi_author()

Determines whether this site has more than one author.

Used by 0 functions | Uses 4 functions | Source: wp-includes/author-template.php:607
functionis_nav_menu()

Determines whether the given ID is a navigation menu.

Used by 3 functions | Uses 2 functions | Source: wp-includes/nav-menu.php:62
functionis_nav_menu_item()

Determines whether the given ID is a nav menu item.

Used by 3 functions | Uses 2 functions | Source: wp-includes/nav-menu.php:238
functionis_network_admin()

Determines whether the current request is for the network administrative interface.

Used by 16 functions | Uses 0 functions | Source: wp-includes/load.php:1407
functionis_network_only_plugin()

Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin would also work when Multisite is not enabled.

Used by 6 functions | Uses 1 function | Source: wp-admin/includes/plugin.php:605
functionis_new_day()

Determines whether the publish date of the current post in the loop is different from the publish date of the previous post in the loop.

Used by 1 function | Uses 0 functions | Source: wp-includes/functions.php:1018
functionis_object_in_taxonomy()

Determines if the given object type is associated with the given taxonomy.

Used by 12 functions | Uses 1 function | Source: wp-includes/taxonomy.php:4969
functionis_object_in_term()

Determines if the given object is associated with any of the given terms.

Used by 2 functions | Uses 7 functions | Source: wp-includes/taxonomy.php:4898
functionis_page()

Determines whether the query is for an existing single page.

Used by 5 functions | Uses 3 functions | Source: wp-includes/query.php:584