is_page_template()
Function: Determines whether the current post uses a page template.
Source: wp-includes/post-template.php:1825
is_paged()
Function: Determines whether the query is for a paged result and not for the first page.
Source: wp-includes/query.php:608
is_php_version_compatible()
Function: Checks compatibility with the current PHP version.
Source: wp-includes/functions.php:8582
is_plugin_active()
Function: Determines whether a plugin is active.
Source: wp-admin/includes/plugin.php:539
is_plugin_active_for_network()
Function: Determines whether the plugin is active for the entire network.
Source: wp-admin/includes/plugin.php:580
is_plugin_inactive()
Function: Determines whether the plugin is inactive.
Source: wp-admin/includes/plugin.php:559
is_plugin_page()
Function: Determines whether the current admin page is generated by a plugin.
Source: wp-includes/deprecated.php:2532
is_plugin_paused()
Function: Determines whether a plugin is technically active but was paused while loading.
Source: wp-admin/includes/plugin.php:2401
is_post_publicly_viewable()
Function: Determines whether a post is publicly viewable.
Source: wp-includes/post.php:2084
is_post_status_viewable()
Function: Determines whether a post status is considered “viewable”.
Source: wp-includes/post.php:2037