Outils de recherche et référencement

<?
function easy_parser_xml($contenu){
    //source php.net reprise
    $xml_parser = xml_parser_create();
    xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);
    xml_parser_set_option($xml_parser, XML_OPTION_SKIP_WHITE, 1);
    xml_parse_into_struct($xml_parser, $contenu, $vals);
    xml_parser_free($xml_parser);
    
    $_tmp='';
    foreach ($vals as $xml_elem) {
        $x_tag=$xml_elem['tag'];
        $x_level=$xml_elem['level'];
        $x_type=$xml_elem['type'];
        if ($x_level!=1 && $x_type == 'close') {
            if (isset($multi_key[$x_tag][$x_level])) $multi_key[$x_tag][$x_level]=1;
            else $multi_key[$x_tag][$x_level]=0;
        } elseif ($x_level!=1 && $x_type == 'complete') {
            if ($_tmp==$x_tag) $multi_key[$x_tag][$x_level]=1;
            $_tmp=$x_tag;
        }
    }    
    foreach ($vals as $xml_elem) {
        $x_tag=$xml_elem['tag'];
        $x_level=$xml_elem['level'];
        $x_type=$xml_elem['type'];
        if ($x_type == 'open') $level[$x_level] = $x_tag;
        $start_level = 1;
        $php_stmt = '$xml_array';
        if ($x_type=='close' && $x_level!=1) $multi_key[$x_tag][$x_level]++;
        while($start_level < $x_level) {
            $php_stmt .= '[$level['.$start_level.']]';
            if (isset($multi_key[$level[$start_level]][$start_level]) && $multi_key[$level[$start_level]][$start_level]) $php_stmt .= '['.($multi_key[$level[$start_level]][$start_level]-1).']';
            $start_level++;
        }
        $add='';
        if (isset($multi_key[$x_tag][$x_level]) && $multi_key[$x_tag][$x_level] && ($x_type=='open' || $x_type=='complete')) {
            if (!isset($multi_key2[$x_tag][$x_level])) $multi_key2[$x_tag][$x_level]=0;
            else $multi_key2[$x_tag][$x_level]++;
            $add='['.$multi_key2[$x_tag][$x_level].']';
        }
        if (isset($xml_elem['value']) && trim($xml_elem['value'])!='' && !array_key_exists('attributes',$xml_elem)) {
            if ($x_type == 'open') $php_stmt_main=$php_stmt.'[$x_type]'.$add.'[\'content\'] = $xml_elem[\'value\'];';
            else $php_stmt_main=$php_stmt.'[$x_tag]'.$add.' = $xml_elem[\'value\'];';
            eval($php_stmt_main);
        }
        if (array_key_exists('attributes',$xml_elem)) {
            if (isset($xml_elem['value'])) {
                $php_stmt_main=$php_stmt.'[$x_tag]'.$add.'[\'content\'] = $xml_elem[\'value\'];';
                eval($php_stmt_main);
            }    
            foreach ($xml_elem['attributes'] as $key=>$value) {
                $php_stmt_att=$php_stmt.'[$x_tag]'.$add.'[\'attributes\'][$key] = $value;';
                eval($php_stmt_att);
            }
        }
    }
    return $xml_array;
}
?>