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run code in 300+ PHP versions simultaneously
<?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,6); 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 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(7) " xxxxbb"
preferences:
258.72 ms | 406 KiB | 314 Q