PHPBuilder - XML How-To Page 2



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XML How-To - Page 2

by: Joe Stump
|
September 7, 2000


<?php

// handles the attributes for opening tags
// $attrs is a multidimensional array keyed by attribute
// name and having the value of that attribute
function startElement($parser$name$attrs=''){
    global 
$open_tags$temp$current_tag;
    
$current_tag $name;
    if (
$format $open_tags[$name]){
    switch(
$name){
        case 
'STORY':
        echo 
'New Story: ';
        break;
        default:
        break;
    }
    }
}

// $current_tag lets us know what tag we are currently
// dealing with - we use that later in the characterData
// function.
//
// when we see a </STORY> we know that it is time to
// flush our temp variables and prepare to move onto
// the next one
function endElement($parser$name$attrs=''){
    global 
$close_tags$temp$current_tag;
    if (
$format $close_tags[$name]){
    switch(
$name){
        case 
'STORY':
        
return_page($temp);
        
$temp '';
        break;
        default:
        break;
    }
    }
}

// this function is passed data between elements
// theu $data would equal 'Title Here'
// in the line <TITLE>Title Here</TITLE>
function characterData($parser$data){
    global 
$current_tag$temp$catID;
    switch(
$current_tag){
    case 
'TITLE':
        
$temp['title'] = $data;
        
$current_tag '';
        break;
    case 
'URL':
        
$temp['url'] = $data;
        
$current_tag '';
        break;
    default:
        break;
    }
}

?>
As you can see so far XML parsing in PHP isn't all that bad. Now for the fun part - parsing the file! For that you will need the rest of the code, which is fairly simple.

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