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PHP Manual :: XML Tag Mapping Example



XML Element Structure Example || XML External Entity Example || Examples || PHP Manual

Example #1 Map XML to HTML

This example maps tags in an XML document directly to HTML tags. Elements not found in the "map array" are ignored. Of course, this example will only work with a specific XML document type.

<?php
$file 
"data.xml";
$map_array = array(
    
"BOLD"     => "B",
    
"EMPHASIS" => "I",
    
"LITERAL"  => "TT"
);

function 
startElement($parser$name$attrs
{
    global 
$map_array;
    if (isset(
$map_array[$name])) {
        echo 
"<$map_array[$name]>";
    }
}

function 
endElement($parser$name
{
    global 
$map_array;
    if (isset(
$map_array[$name])) {
        echo 
"</$map_array[$name]>";
    }
}

function 
characterData($parser$data
{
    echo 
$data;
}

$xml_parser xml_parser_create();
// use case-folding so we are sure to find the tag in $map_array
xml_parser_set_option($xml_parserXML_OPTION_CASE_FOLDINGtrue);
xml_set_element_handler($xml_parser"startElement""endElement");
xml_set_character_data_handler($xml_parser"characterData");
if (!(
$fp fopen($file"r"))) {
    die(
"could not open XML input");
}

while (
$data fread($fp4096)) {
    if (!
xml_parse($xml_parser$datafeof($fp))) {
        die(
sprintf("XML error: %s at line %d",
                    
xml_error_string(xml_get_error_code($xml_parser)),
                    
xml_get_current_line_number($xml_parser)));
    }
}
xml_parser_free($xml_parser);
?>



XML Element Structure Example || XML External Entity Example || Examples || PHP Manual
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