<?php $emoji = '๐ฉโ๐ฉโ๐งโ๐ง'; echo $emoji. "\n"; echo strlen($emoji) . "\n";// 25 echo mb_strlen($emoji) . "\n";// 7 echo mb_strlen($emoji, "UTF-16") . "\n";// 12 var_dump(str_split($emoji)); // ่ฌใฎ 25 ๆๅญ้ ๅ var_dump(mb_str_split($emoji)); // ็ตตๆๅญ 4 ใคใจ้ทใ 3 ใจใใใ่ฆใ็ฎใใๆๅญๅ 3 ใคใฎ 7 ๆๅญ้ ๅ var_dump(mb_str_split($emoji, 'UTH-16')); // ็ตตๆๅญ 4 ใคใจ้ทใ 3 ใจใใใ่ฆใ็ฎใใๆๅญๅ 3 ใคใฎ 7 ๆๅญ้ ๅ preg_match('/.{1,3}/', $emoji, $match); var_dump($match);// ่ฌใฎ 3 ๆๅญ
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