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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static L string_extensionOfFileName_multi(fS s) { L l = allIndexes(s, '.'); ret map(l, func(Int i) -> S { substring(s, i+1) }); }