Functions
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functionis_header_video_active()
Checks whether the custom header video is eligible to show on the current page.
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functionis_home()
Determines whether the query is for the blog homepage.
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functionis_lighttpd_before_150()
Determines whether the server is running an earlier than 1.5.0 version of lighttpd.
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functionis_locale_switched()
Determines whether switch_to_locale() is in effect.
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functionis_local_attachment()
Determines whether an attachment URI is local and really an attachment.
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functionis_login()
Determines whether the current request is for the login screen.
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functionis_main_blog()
Deprecated functionality to determine if the current site is the main site.
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functionis_main_network()
Determines whether a network is the main network of the Multisite installation.
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functionis_main_query()
Determines whether the query is the main query.
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functionis_main_site()
Determines whether a site is the main site of the current network.
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functionis_month()
Determines whether the query is for an existing month archive.
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functionis_multisite()
Determines whether Multisite is enabled.
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functionis_network_admin()
Determines whether the current request is for the network administrative interface.
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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.
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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.
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functionis_object_in_taxonomy()
Determines if the given object type is associated with the given taxonomy.
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functionis_object_in_term()
Determines if the given object is associated with any of the given terms.
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functionis_page()
Determines whether the query is for an existing single page.
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functionis_paged()
Determines whether the query is for a paged result and not for the first page.
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functionis_page_template()
Determines whether the current post uses a page template.
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functionis_php_version_compatible()
Checks compatibility with the current PHP version.
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functionis_plugin_active()
Determines whether a plugin is active.
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functionis_plugin_active_for_network()
Determines whether the plugin is active for the entire network.
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functionis_plugin_inactive()
Determines whether the plugin is inactive.
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functionis_plugin_page()
Determines whether the current admin page is generated by a plugin.
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functionis_plugin_paused()
Determines whether a plugin is technically active but was paused while loading.