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Example of php cross-domain calling json_jquery

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Release： 2016-05-16 17:15:41

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There is not much difference between JSON and XML, but JSON has a wider range of applications, that is, cross-domain data calls. Due to security issues, AJAX does not support cross-domain calls, so it is very troublesome to call data under different domain names. The following example is enough to show how PHP uses json to make cross-domain calls.

index.html

Copy code The code is as follows:

The adjusted file profile.php

Copy Code The code is as follows:

$arr = array( 
 'name' => 'tanteng', 
 'nick' => 'pony', 
 'contact' => array( 
 'email' => 'a@gmail.com', 
 'website' => 'http: //aa.sinaapp.com', 
 ) 
); 
$json_string = json_encode($arr); 
echo "getProfile($json_string)"; 
?>

When index.html calls profile.php, a JSON string is generated and passed to getProfile as a parameter, and then the nickname is inserted into the div. In this way, a cross-domain data interaction is completed. Isn’t it special? Simple.

Related labels：

json php Cross domain

source：php.cn

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