Randy Brown writes:
> Something like this may work:
>
> Markup('[[|~', '<[[|',
> "/(?>\\[\\[([^|\\]]+))\\|\\s*\\~\\s*]]/e",
> "Keep(MakeLink(\$pagename, PSS('$1'),
> BestTitle(MakePageName(\$pagename,PSS('$1')))
> ),'L')");
>
> function BestTitle ($pn) {
> $sum = PageTextVar($pn,'Summary');
> if (strlen($sum)) return $sum;
> else return PageVar($pn, '$Title');
> }
Thanks, Petko. That seems to work.
If I don't run into problems, maybe I should post this as a recipe called
"Best Title: Use A Page Text Variable For Link Text when available".
However, if the "/e" only works for versions before PHP 5.5, then maybe I
shouldn't. What do you think?
The following will work with PHP 5.5 (but requires at least pmwiki-2.2.56):
Markup_e('[[|~', '<[[|',
"/(?>\\[\\[([^|\\]]+))\\|\\s*\\~\\s*]]/", # replace ending /e with /
"Keep(MakeLink(\$pagename, PSS(\$m[1]),
BestTitle(MakePageName(\$pagename,PSS(\$m[1])))
),'L')"); # replace '$1' with \$m[1]
I'll document the new ways to define custom markup after I release 2.2.58
in a few days (the old ways still work and will not be removed).
Petko
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