@Blog{zip358.com}

<?php
$html = file_get_contents("高知県のダム貯水率のURL");
$html = mb_convert_encoding($html,"UTF-8","SJIS");
$dom = new DOMDocument();
$html = mb_convert_encoding($html, "HTML-ENTITIES", 'UTF-8');
@$dom->loadHTML($html,LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
$xpath = new DOMXPath($dom);
$ary=array(
    "永瀬ダム"=>"nagase",
    "鎌井谷ダム"=>"kamaidani",
    "鏡ダム"=>"kagami",
    "早明浦ダム"=>"sameura",
    "桐見ダム"=>"kirimi",
    "坂本ダム"=>"sakamoto",
    "大渡ダム"=>"oodo",
    "中筋川ダム"=>"nakasugawa",
    "以布利川ダム"=>"iburigawa"
);
for($i=1;$i<=9;$i++){
    $r[$xpath->query("/html/body/form/div[2]/table/tbody/tr[$i]/td[3]")->item(0)->textContent] = preg_replace("/[\x{00a0}|?]/u","",$xpath->query("/html/body/form/div[2]/table/tbody/tr[$i]/td[7]")->item(0)->textContent);
}
foreach ($r as $key => $value) {
    $obj[$ary[$key]] = $value;
}
//echo '{"nagase":"91.16","kamaidani":"77.57","kagami":"39.32","sameura":"100.00","kirimi":"46.09","sakamoto":"99.38","oodo":"98.70","nakasugawa":"77.90","iburigawa":"99.12"}';
print json_encode($obj);