<?php /** * description:中英文字符串截取 * @author :SunsCheung * @date:2015-09-24 */ class Helper{ public static function truncate_utf8_string($string, $length, $etc = ‘...‘) { $result = ‘‘; $string = html_entity_decode(trim(strip_tags($string)), ENT_QUOTES, ‘UTF-8‘); $strlen = strlen($string); for ($i = 0; (($i < $strlen) && ($length > 0)); $i++) { if ($number = strpos(str_pad(decbin(ord(substr($string, $i, 1))), 8, ‘0‘, STR_PAD_LEFT), ‘0‘)) { if ($length < 1.0) { break; } $result .= substr($string, $i, $number); $length -= 1.0; $i += $number - 1; } else { $result .= substr($string, $i, 1); $length -= 0.5; } } $result = htmlspecialchars($result, ENT_QUOTES, ‘UTF-8‘); if ($i < $strlen) { $result .= $etc; } return $result; } }
时间: 2024-10-25 07:51:25