<?php
function mb_cutStr($str, $len)
{
$new_str = ' ';
$wordLen = 0;
while ($wordLen < $len) {
$temp_str = substr($str, 0, 1);
if (ord($temp_str) > 127) { // 中文
$new_str .= substr($str, 0, 3);
$str = substr($str, 3);
$wordLen++;
} else { // E文
$new_str .= substr($str, 0, 1);
$str = substr($str, 1);
$wordLen++;
}
}
return $new_str;
}
$a = '测试这是一个测试';
//$a = 'xxxxbbbbbnnn';
$b = mb_cutStr($a,5);
var_dump($b);
?>
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- string(16) " 测试这是一"
preferences:
260.94 ms | 406 KiB | 371 Q