Translations:Help:Extension:ParserFunctions/61/en

The function may be nested. To do so, nest the inner #if function in its full form in place of a parameter of the enclosing #if function. Up to seven levels of nesting is possible, although that may depend on the wiki or a memory limit.
 * $code1: test string | value if test string is not empty | $code2: test string | value if test string is not empty | value if test string is empty (or only white space) $code3