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themes_api

Retrieve theme installer pages from WordPress Themes API.It is possible for a theme to override the Themes API result with three filters. Assume this is for themes, which can extend on the Theme Info to offer more choices. This is very powerful and must be used with care, when overridding the filters.

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term_exists

Check if Term exists.Returns the index of a defined term, or 0 (false) if the term doesn’t exist.

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taxonomy_exists

Checks that the taxonomy name exists.Formerly is_taxonomy(), introduced in 2.3.0.

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