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我在上线66 注意这段代码有问题1线66注意:初始化的字符串偏移:未初始化字符串偏移量:1
<?php
echo cologne_phon("d");
echo "<br />";
echo cologne_phon("ch dc");
echo "<br />";
echo cologne_phon("dc");
function cologne_phon($word){
/**
* @param string $word string to be analyzed
* @return string $value represents the K?lner Phonetik value
* @access public
*/
//prepare for processing
$word=strtolower($word);
$substitution=array(
"?"=>"a",
"?"=>"o",
"ü"=>"u",
"?"=>"ss",
"ph"=>"f"
);
foreach ($substitution as $letter=>$substitution) {
$word=str_replace($letter,$substitution,$word);
}
$len=strlen($word);
//Rule for exeptions
$exceptionsLeading=array(
4=>array("ca","ch","ck","cl","co","cq","cu","cx"),
8=>array("dc","ds","dz","tc","ts","tz")
);
$exceptionsFollowing=array("sc","zc","cx","kx","qx");
//Table for coding
$codingTable=array(
0=>array("a","e","i","j","o","u","y"),
1=>array("b","p"),
2=>array("d","t"),
3=>array("f","v","w"),
4=>array("c","g","k","q"),
48=>array("x"),
5=>array("l"),
6=>array("m","n"),
7=>array("r"),
8=>array("c","s","z"),
);
for ($i=0;$i<$len;$i++){
$value[$i]='';
//Exceptions
if ($i==0 && $word[$i]=='cr')
$value[$i]=4;
foreach ($exceptionsLeading as $code =>$letters) {
if (in_array($word[$i].$word[$i+1],$letters)){
$value[$i]=$code;
}
}
if ($i!=0 && (in_array($word[$i-1].$word[$i],
$exceptionsFollowing))) {
$value[$i]=8;
}
//Normal encoding
if ($value[$i]==""){
foreach ($codingTable as $code=>$letters) {
if (in_array($word[$i],$letters))$value[$i]=$code;
}
}
}
//delete double values
$len=count($value);
for ($i=1;$i<$len;$i++){
if ($value[$i]==$value[$i-1]) $value[$i]="";
}
//delete vocals
for ($i=1;$i>$len;$i++){//omitting first characer code and h
if ($value[$i]==0) $value[$i]="";
}
var_dump($value);
$value=array_filter($value);
$value=implode('',$value);
return $value;
}
我尝试修复,但没有工作了很多方式与我所以需要帮助,请 原代码在这里PHP网站 http://php.net/manual/en/function.soundex.php#84881
哪一行出现错误? – Barmar
请修复您的缩进。 – Barmar
'我尝试了很多方法来解决问题' - 但是为了理解这条消息首先意味着什么? [什么原因:“注意:未初始化的字符串偏移量”出现?](http://stackoverflow.com/q/1263636/1235698) –