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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
sS mapLike filterChars(O pred, S s) { if (s == null) null; new StringBuilder buf; int n = l(s); char c; for i to n: if (isTrue(callF(pred, c = s.charAt(i)))) buf.append(c); ret str(buf); }