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run code in 150+ php & hhvm versions
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<?php function append($str) { if(mb_strlen($str)>10) { $str = mb_substr($str, 0, -3).' ...'; } return $str; } var_dump(append('very very long string'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(22) "very very long str ..."