<?php

namespace Common\Business;
//[1.5.66]
/**
 * 汉字转拼音类
 * Class PinYin
 * [
 * 中文字符串转拼音首字母 strChangePin
 * 汉字转拼音的首字母 get_first_letter
 * 汉字转拼音 str2py
 * 获取拼音对应ascll码 pinyin
 * ]
 * @package Common\Business
 */
class PinYin
{
    /**
     * 中文字符串转拼音首字母
     * @param $str 字符串
     * @return string
     */
    public function strChangePin($str)
    {
        header("Content-type: text/html; charset=utf-8");
        $new_str = '';
        for ($i = 0; $i < mb_strlen($str, 'utf-8'); $i++) {
            $new_str .= $this->get_first_letter(mb_substr($str, $i, 1, 'utf-8'));
        }
        return $new_str;
    }


    /**
     * 汉字转拼音的首字母
     * @param
     *[
     * $zh 字符串
     * ]
     * @return string
     */
    public function get_first_letter($zh)
    {
        $letters = $this->str2py($zh);
        $f_letter = substr($letters, 0, 1);
        return strtoupper($f_letter);
    }


    /**
     * 汉字转拼音
     * @param
     *[
     * $s 字符串
     * ]
     * @return string
     */
    public function str2py($s)
    {
        $s = preg_replace("/\s/is", "_", $s);
        $s = preg_replace("/(|\~|\`|\!|\@|\#|\$|\%|\^|\&|\*|\(|\)|\-|\+|\=|\{|\}|\[|\]|\||\\|\:|\;|\"|\'|\<|\,|\>|\.|\?|\/)/is", "", $s);
        $py = "";
        $i = 0;
        // 加入这一句，自动识别utf-8
        if (strlen("拼音") > 4) {
            $s = iconv('UTF-8', 'GBK//TRANSLIT//IGNORE', $s);
        }
        for ($i = 0; $i < strlen($s); $i++) {
            if (ord($s[$i]) > 128) {
                $py .= $this->asi2py(ord($s[$i]) + ord($s[$i + 1]) * 256);
                $i++;
            } else {
                $py .= $s[$i];
            }
           /* if (strlen($py) >= 20)
                return $py;*/
        }
        return $py;
    }

    public function asi2py($a)
    {
        $py = $this->pinyin();
        foreach ($py as $key=>$p) {
            if (array_search($a, $p) === false) {

            } else {
                return $key;
            }
//            next($py);
        }
        return '';
    }


    /**
     * 获取拼音对应ascll码
     * @return array
     */
    public function pinyin()
    {
        $PinYinClass = new \Common\Lib\PinYin();
        return $PinYinClass->getPinyin();
    }
}