PHP - AJAX 与 PHP

[php]代码库

 <?php
 // 将姓名填充到数组中
 $a[]="Anna";
 $a[]="Brittany";
 $a[]="Cinderella";
 $a[]="Diana";
 $a[]="Eva";
 $a[]="Fiona";
 $a[]="Gunda";
 $a[]="Hege";
 $a[]="Inga";
 $a[]="Johanna";
 $a[]="Kitty";
 $a[]="Linda";
 $a[]="Nina";
 $a[]="Ophelia";
 $a[]="Petunia";
 $a[]="Amanda";
 $a[]="Raquel";
 $a[]="Cindy";
 $a[]="Doris";
 $a[]="Eve";
 $a[]="Evita";
 $a[]="Sunniva";
 $a[]="Tove";
 $a[]="Unni";
 $a[]="Violet";
 $a[]="Liza";
 $a[]="Elizabeth";
 $a[]="Ellen";
 $a[]="Wenche";
 $a[]="Vicky";

 //从请求URL地址中获取 q 参数
 $q=$_GET["q"];

 //查找是否由匹配值， 如果 q>0
 if (strlen($q) > 0)
 {
 $hint="";
 for($i=0; $i<count($a); $i++)
 {
 if (strtolower($q)==strtolower(substr($a[$i],0,strlen($q))))
 {
 if ($hint=="")
 {
 $hint=$a[$i];
 }
 else
 {
 $hint=$hint." , ".$a[$i];
 }
 }
 }
 }

 // 如果没有匹配值设置输出为 "no suggestion" 
 // or to the correct values
 if ($hint == "")
 {
 $response="no suggestion";
 }
 else
 {
 $response=$hint;
 }

 //输出返回值
 echo $response;
 ?>