auto_typography($str[, $reduce_linebreaks = FALSE])

get_metadata($id)

error_string([$prefix = ''[, $suffix = '']])

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function_usable($function_name)

nice_date([$bad_date = ''[, $format = FALSE]])

attachment_cid($filename)

form_submit([$data = ''[, $value = ''[, $extra = '']]])

password_verify($password, $hash)

get_instance()