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capture the encoding from the main XML file tag

To capture the encoding from the XML tag of the file. We need to read the first line, and pass it to the function to capture the encoding value.

The first line looks like this:

< ?xml version="1.0" encoding="utf-8"? >

The PHP code:

PLAIN TEXT

PHP:

1. function readfirstline($file){
2.    $fp = @fopen($file, "r");
3.    $firstline = fgets($fp);
4.    fclose($fp);
5.    return $firstline;
6. } 
7. function get_attr(  $line ,$attr) {
8.   $start = strpos($line,"$attr");
9.   $line =  substr($line,$start);
10.   $arr_enc = split("\"",$line);
11.  
12.   return $arr_enc [1];
13. }
14.  
15. $path = "home/user/feeds/id.xml";
16. $line= readfirstline($path);
17.        
18. echo get_attr(  $line ,"encoding");

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