Fires after a plugin is deactivated.
deactivate_{$plugin}
Fires as a specific plugin is being deactivated.
activated_plugin
Fires after a plugin has been activated.
activate_{$plugin}
This action is documented in wp-admin/includes/plugin.php
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deleted_user
Fires immediately after a user is deleted from the database.
post_submitbox_misc_actions
Fires after the post time/date setting in the Publish meta box.
WP_MatchesMapRegex
Helper class to remove the need to use eval to replace $matches[] in query strings.
WP_Embed
API for easily embedding rich media such as videos and images into content.
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WP_oEmbed
Core class used to implement oEmbed functionality.
default_topic_count_scale
Default topic count scaling for tag links.
author_can
Whether the author of the supplied post has a specific capability.
list_theme_updates
Display the upgrade themes form.
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list_plugin_updates
Display the upgrade plugins form.
pre_schema_upgrade
Runs before the schema is upgraded.