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run code in 150+ php & hhvm versions
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<?php $a = array( utf8_encode("grado académico"), utf8_encode("ñññññóóóóûüÑuü"), utf8_encode("ÁÁÁÁÉÉ"), utf8_encode("código") ); $b = array_map('utf8_decode', $a); print_r($b);
Output for 4.3.0 - 7.1.0
Array ( [0] => grado académico [1] => ñññññóóóóûüÑuü [2] => ÁÁÁÁÉÉ [3] => código )