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has_shortcode

Whether the passed content contains the specified shortcode

shortcode_exists

Whether a registered shortcode exists named $tag

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_wp_upgrade_revisions_of_post

Upgrade the revisions author, add the current post as a revision and set the revisions version to 1

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wp_revisions_to_keep

Determine how many revisions to retain for a given post.

wp_revisions_to_keep

Filters the number of revisions to save for the given post.

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setted_transient

Fires after the value for a transient has been set.

get_post_gallery_images

Checks a post’s content for galleries and return the image srcs for the first found gallery