1--TEST-- 2grapheme_substr() - Bug55562 - grapheme_substr() returns false if length parameter is to large 3--EXTENSIONS-- 4intl 5--FILE-- 6<?php 7var_dump( 8 grapheme_substr('FOK', 1, 20), // expected: OK 9 grapheme_substr('한국어', 1, 20) //expected: 국어 10); 11?> 12--EXPECT-- 13string(2) "OK" 14string(6) "국어" 15