如何使Xpath搜索不区分大小写 [英] How do i make Xpath search case insensitive

问题描述

我目前正在进行xpath搜索，搜索已经开始工作，但是我需要使其不区分大小写.我正在使用的xml文件是1.0，根据我的研究，这意味着我必须使用某种称为转换功能"的东西，但是我不确定如何执行此操作.

I'm currently making a xpath search, I've got the the search working but I need to make it case insensitive. The xml file I'm using is 1.0 which from my research means I've got to use some thing called a translate function but I'm unsure of how to do this.

这是我的搜索文件:

$holidayDoc = simplexml_load_file('holidays.xml');      

// fetch data from form
$txtSearch = $_GET['txtSearch'];

$qry = "//channel/item[contains(.,\"$txtSearch\")]";


$holidays = $holidayDoc->xpath($qry);   // do the xpath query 
// now loop through all the students

echo "Showing title search results for $txtSearch";

foreach ($holidays as $holiday) 
{

 echo "<p><a href=\"{$holiday->link}\">{$holiday->title}</a></p>
    <p><small>$holiday->pubDate</small></p>";

任何帮助将不胜感激.

推荐答案

XPath 1.0:

XPath 1.0 :

$qry = "//channel/item[contains(
 translate(., 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'),  
 translate($search, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'))]"

XPath 2.0:

XPath 2.0 :

$qry = "//channel/item[lower-case(.) = lower-case($search)]"

将所有大写字母都替换为小写字母.

Both replace all upper case to lower case.

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