pinyin.php
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<?php
/**
* @name Pinyin_Pinyin
* @desc 汉字转拼音 (utf8)
* @author 张顺(zhangshun@baidu.com)
*/
include 'ChinesePinyinTable.php';
class Pinyin_Pinyin {
/**
* @desc split string
* @param string $string
* @return array
**/
private function splitString($string) {
$arrResult = array();
$intLen = mb_strlen($string);
while ($intLen) {
$arrResult[] = mb_substr($string, 0, 1, 'utf8');
$string = mb_substr($string, 1, $intLen, 'utf8');
$intLen = mb_strlen($string);
}
return $arrResult;
}
/**
* @desc change to single character list to pinyin list
* @param array $arrStringList
* @return array
**/
private function toPinyinList($arrStringList) {
$arrResult = array();
if (!is_array($arrStringList)) {
return $arrResult;
}
foreach ($arrStringList as $string) {
switch (strlen($string)) {
case 1:
$arrResult[] = array($string);
break;
case 3:
if (isset(Pinyin_ChinesePinyinTable::$arrChinesePinyinTable[$string])) {
$arrResult[] =
Pinyin_ChinesePinyinTable::$arrChinesePinyinTable[$string];
} else {
$arrResult[] = array($string);
}
break;
default :
$arrResult[] = array($string);
}
}
return $arrResult;
}
/**
* @desc convert chinese(include letter & number) to pinyin
* @param string $string
* @param boolean $isSimple
* @param boolean $isInitial
* @param boolean $isPolyphone
* @param boolean $isAll
* @return mixed
**/
public function ChineseToPinyin($string, $isSimple = true, $isInitial = false,
$isPolyphone = false, $isAll = false) {
$result = '';
if (empty($string)) {
return $result;
}
$arrStringList = self::splitString($string);
if (!is_array($arrStringList)) {
return $result;
}
$arrPinyinList = self::toPinyinList($arrStringList);
if (!is_array($arrPinyinList)) {
return $result;
}
if ($isSimple === true) {
foreach ($arrPinyinList as $arrPinyin) {
if (empty($arrPinyin)) {
continue;
}
$result .= $arrPinyin[0];
}
return $result;
}
$arrFirstPinyin = array_shift($arrPinyinList);
if (($isInitial !== true) || ($isAll === true)) {
$arrPrevPinyin = $arrFirstPinyin;
foreach ($arrPinyinList as $arrPinyin) {
$arrFullPinyin = array();
foreach ($arrPrevPinyin as $strPrevPinyin) {
foreach ($arrPinyin as $strPinyin) {
$arrFullPinyin[] = $strPrevPinyin . $strPinyin;
}
}
$arrPrevPinyin = $arrFullPinyin;
}
}
if (($isInitial === true) || ($isAll === true)) {
if (ord($arrFirstPinyin[0]) > 129) {
$arrPrevInitialPinyin[0] = $arrFirstPinyin[0];
} else {
$arrPrevInitialPinyin[0] = substr($arrFirstPinyin[0], 0, 1);
}
foreach ($arrPinyinList as $arrPinyin) {
$arrInitialPinyin = array();
foreach ($arrPrevInitialPinyin as $strPrevPinyin) {
foreach ($arrPinyin as $strPinyin) {
if (ord($strPinyin) > 129) {
$arrInitialPinyin[] = $strPrevPinyin . $strPinyin;
} else {
$arrInitialPinyin[] = $strPrevPinyin . substr($strPinyin, 0, 1);
}
}
}
$arrPrevInitialPinyin = $arrInitialPinyin;
}
}
if ($isAll === true) {
$result['full'] = $arrFullPinyin;
$result['initial'] = $arrInitialPinyin;
} elseif ($isPolyphone === true) {
if (($isInitial === true)) {
$result = $arrInitialPinyin;
} else {
$result = $arrFullPinyin;
}
} else {
if (($isInitial === true)) {
$result = reset($arrInitialPinyin);
} else {
$result = reset($arrFullPinyin);
}
}
return $result;
}
/*
*获取字符串首个字符/首个汉字拼音大写
*/
public function get_first_char($string){
$first = '';
$pinyin = self::ChineseToPinyin($string);
if(!empty($pinyin)){
$first = strtoupper(substr($pinyin, 0, 1));
}
if (!empty($first) && (ord($first) < 65 || ord($first) > 90)) {
return '';
}
return $first;
}
}