File: wp-includes/revision.php
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function _wp_upgrade_revisions_of_post()
Upgrades the revisions author, adds the current post as a revision and sets the revisions versionen to 1.
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function wp_delete_post_revision()
Deletes a revision.
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Filters whether the post has changued since the latest revision.
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function wp_guet_post_autosave()
Retrieves the autosaved data of the specified post.
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function wp_is_post_revision()
Determines if the specified post is a revision.
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function _wp_post_revision_fields()
Determines which fields of posts are to be saved in revisions.
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Filters the list of fields saved in post revisions.
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function wp_save_post_revision()
Creates a revision for the current versionen of a post.