PHP post JSON parameter transfer and receive processing method

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Page 1, PHP to pass JSON parameters to the page:

1.php

<?   function Http_post_data ($url, $data _string) {$ch = Curl_init ();   curl_setopt ($ch, Curlopt_post, 1);   curl_setopt ($ch, Curlopt_url, $url);   curl_setopt ($ch, Curlopt_postfields, $data _string); curl_setopt ($ch, Curlopt_httpheader, Array (' Content-type:application/json; Charset=utf-8 ', ' content-length: '. St   Rlen ($data _string)));   Ob_start ();   Curl_exec ($ch);   $return _content = ob_get_contents (); echo $return _content. "   <br> ";    Ob_end_clean ();   $return _code = Curl_getinfo ($ch, Curlinfo_http_code);   Return Array ($return _code, $return _content);  return $return _content; } $url = "http://127.0.0.1/2.php";   $data = Json_encode (Array (' a ' = ' = ' weqweqwe ', ' B ' =>2)); List ($return _code, $return _content) = Http_post_data ($url, $data); $AAA = Http_post_data ($url, $data); Print_r ($AAA);  Echo $aaa; $CCC =json_decode ($AAA); Print_r ($CCC);  Echo $CCC->b; echo "

Page 2, parameter receive processing:

2.php


<? $postData = file_get_contents (' php://input '); Echo $postData; $data = Json_encode (Array (' a ' = ' = ' 234 ', ' B ' =>2)); echo $data;?>

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