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run code in 150+ php & hhvm versions
Bugs & Features
<?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 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(16) " 测试这是一"