php JSON
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ÓÐÁ½¸öº¯ÊýÓÃÓÚ JSON£ºencode ºÍ decode¡£µÚÒ»¸öº¯Êý½«°ÑÈÎÒâÀàÐ͵ÄÊý¾Ý¶ÔÏóת»»ÎªÒ»×éÐòÁл¯Êý¾Ý£¬ÒÔ¹© JavaScript ´¦Àí¡£µÚ¶þ¸öº¯Êý½«°ÑÐòÁл¯Êý¾Ý½âÂ룬²¢½«Æäת»»Îª»ù±¾ PHP ¶ÔÏó»òÁªºÏÊý×é¡£ÎÒÃÇÀ´¿´Ò»¿´ json_decode()¡£
json_decode() µÄʾÀý
<?php
$jsonObject = '{"21":{"url":"www.blah.com\/story1.html","title":"JSON is sweeping AJAX world","viewed":false},"22":{"url":"www.blah.com\/story2.html","title":"JSON is great","viewed":false}}';
$decodedObject = json_decode($jsonObject);
$decodedArray = json_decode($jsonObject, true);
print_r($decodedObject);
echo "<br><br>";
print_r($decodedArray);
?>
ÈçÉÏ£¬ÎÒÃÇÓÐÒ»¸ö PHP ½Å±¾£¬¸Ã½Å±¾½«»ñÈ¡ $jsonObject ²¢½«Æä½âÂë»Ø PHP ¹ÌÓжÔÏó¡£ÎÒÃǽøÐÐÁËÁ½´Î½âÂë¡£µÚÒ»´Î£¬Ê¹ÓÃδ¾Ð޸ĵÄÓ÷¨£¬Õ⽫µÃµ½ stdClass µÄ¶ÔÏó£»µÚ¶þ´Î£¬Ê¹Óò¼¶ûÐͲÎÊýÀ´´´½¨ÁªºÏÊý×é¡£
ÒÔÏÂÊÇdecodeµÄÊä³ö£º
stdClass Object ( [21] => stdClass Object ( [url] => www.blah.com/story1.html [title] => JSON is sweeping AJAX world [viewed] => ) [22] => stdClass Object ( [url] => www.blah.com/story2.html [title] => JSON is great [viewed] => ) ) Array ( [21] => Array ( [url] => www.blah.com/story1.html [title] => JSON is sweeping AJAX world [viewed] => ) [22] => Array ( [url] => www.blah.com/story2.html [title] => JSON is great [viewed] => ) )
ÎÒÃÇÔÙÀ´¿´¿´encode:
<?php
$results = array("21" => array("url" => "www.blah.com/story1.html", "title" => "JSON is sweeping AJAX world", "viewed" => FALSE), "22" => array("url" => "www.blah.com/story2.html", "title" => "JSON is great", "viewed" => FALSE));
$jsonObject = json_encode($results);echo $jsonObject;
?>
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