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<head>
<title> json_encode.php </title>
<meta charset="UTF-8">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head> <body>
<?php
$arr = array ('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5);
var_dump($arr);
echo json_encode($arr);
?>
<hr>
<?php
$obj->body = 'another post';
$obj->id = 21;
$obj->approved = true;
$obj->favorite_count = 1;
$obj->status = NULL;
var_dump($obj);
echo json_encode($obj);
?>
<hr>
<?php
$arr = Array('one', 'two', 'three');
echo json_encode($arr);
//结果为：
//["one","two","three"]
//如果将它改为关联数组：
$arr = Array('1'=>'one', '2'=>'two', '3'=>'three');
echo json_encode($arr);
?>
<hr>
<?php
$json = '{"foo": 12345}';
$obj = json_decode($json);
print $obj->{'foo'}; // 12345
?>
<hr>
</body>
</html>
array
'a' => int 1
'b' => int 2
'c' => int 3
'd' => int 4
'e' => int 5
{"a":1,"b":2,"c":3,"d":4,"e":5}
object(stdClass)[1]
public 'body' => string 'another post' (length=12)
public 'id' => int 21
public 'approved' => boolean true
public 'favorite_count' => int 1
public 'status' => null
{"body":"another post","id":21,"approved":true,"favorite_count":1,"status":null}
["one","two","three"]{"1":"one","2":"two","3":"three"}
12345
