1--TEST-- 2Test mb_convert_encoding() function : empty encoding list 3--EXTENSIONS-- 4mbstring 5--FILE-- 6<?php 7 8$string = 'Hello'; 9 10try { 11 var_dump( mb_convert_encoding($string, 'UTF-8', '')); 12} catch (\ValueError $e) { 13 echo $e->getMessage() . \PHP_EOL; 14} 15try { 16 var_dump( mb_convert_encoding($string, 'UTF-8', [])); 17} catch (\ValueError $e) { 18 echo $e->getMessage() . \PHP_EOL; 19} 20 21?> 22--EXPECT-- 23mb_convert_encoding(): Argument #3 ($from_encoding) must specify at least one encoding 24mb_convert_encoding(): Argument #3 ($from_encoding) must specify at least one encoding 25