How to POST JSON Data With PHP cURL

Question

Here is my code    url    url to post    data   array       first name    gt   First name        last name    gt   last name        email   gt  email gmail com        addresses    gt  array            address1    gt   some address            city    gt   city            country    gt   CA            first name    gt    Mother            last name    gt    Lastnameson            phone    gt   555-1212            province    gt   ON            zip    gt   123 ABC            data string   json encode  data    ch curl init  url   curl setopt  ch  CURLOPT CUSTOMREQUEST   POST    curl setopt  ch  CURLOPT POSTFIELDS  array  customer   gt  data string    curl setopt  ch  CURLOPT HEADER  true   curl setopt  ch  CURLOPT HTTPHEADER      array           Content-Type application json            Content-Length      strlen  data string             result   curl exec  ch   curl close  ch     And at other page  I am retrieving post data        print r    POST     Output is   HTTP 1 1 200 OK Date  Mon  18 Jun 2012 07 58 11 GMT Server  Apache X-Powered-By  PHP 5 3 6 Vary  Accept-Encoding Connection  close Content-Type  text html  Array        So  I am not getting proper data even at my own server  it s empty array  I want to implement REST using json as at http   docs shopify com api customer create

User · Answer

Please try this code -   url    url to post     data   array  first name    gt   First name   last name    gt   last name   email   gt  email gmail com   addresses    gt  array   address1    gt   some address    city    gt   city   country    gt   CA    first name    gt    Mother   last name    gt    Lastnameson   phone    gt   555-1212    province    gt   ON    zip    gt   123 ABC         data string   json encode array  customer    gt  data      ch   curl init  url    curl setopt  ch  CURLOPT POSTFIELDS   data string    curl setopt  ch  CURLOPT HTTPHEADER  array  Content-Type application json      curl setopt  ch  CURLOPT RETURNTRANSFER  true     result   curl exec  ch    curl close  ch    echo   result

User · Answer

Try this example    lt  php    url    http   localhost test page2 php        data   array  first name    gt   First name   last name    gt   last name   email   gt  email gmail com   addresses    gt  array   address1    gt   some address    city    gt   city   country    gt   CA    first name    gt    Mother   last name    gt    Lastnameson   phone    gt   555-1212    province    gt   ON    zip    gt   123 ABC            ch curl init  url        data string   urlencode json encode  data        curl setopt  ch  CURLOPT CUSTOMREQUEST   POST        curl setopt  ch  CURLOPT POSTFIELDS  array  customer   gt  data string           result   curl exec  ch       curl close  ch        echo  result    gt    Your page2 php code   lt  php  datastring     POST  customer     data   json decode  urldecode   datastring       gt

User · Answer

Try like this    url    url to post      this is only part of the data you need to sen  customer data   array  first name    gt   First name   last name    gt   last name   email   gt  email gmail com   addresses    gt  array   address1    gt   some address    city    gt   city   country    gt   CA    first name    gt    Mother   last name    gt    Lastnameson   phone    gt   555-1212    province    gt   ON    zip    gt   123 ABC          As per your API  the customer data should be structured this way  data   array  customer    gt   customer data      And then encoded as a json string  data string   json encode  data    ch curl init  url    curl setopt array  ch  array      CURLOPT POST   gt  true      CURLOPT POSTFIELDS   gt   data string      CURLOPT HEADER   gt  true      CURLOPT HTTPHEADER   gt  array  Content-Type application json    Content-Length      strlen  data string          result   curl exec  ch   curl close  ch     The key thing you ve forgotten was to json encode your data  But you also may find it convenient to use curl setopt array to set all curl options at once by passing an array

User · Answer

First   always define certificates with CURLOPT CAPATH option   decide how your POSTed data will be transfered    1 Certificates By default   CURLOPT SSL VERIFYHOST    2 which  quot checks the existence of a common name and also verify that it matches the hostname provided quot  and  CURLOPT VERIFYPEER    true which  quot verifies the peer s certificate quot     So  all you have to do is  const CAINFO   SERVER ROOT     registry cacert pem        curl setopt  ch  CURLOPT CAINFO  self  CAINFO    taken from a working class where SERVER ROOT is a constant defined during application bootstraping like in a custom classloader  another class etc  Forget things like  curl setopt  handler  CURLOPT SSL VERIFYHOST  0   or  curl setopt  handler  CURLOPT SSL VERIFYPEER  0    Find cacert pem there as seen in this question  2 POST modes There are actually 2 modes when posting data   the data is transfered with Content-Type header set to multipart form-data or   the data is a urlencoded string with application x-www-form-urlencoded encoding    In the first case you pass an array while in the second you pass a urlencoded string  multipart form-data ex    fields   array  a    gt   sth    b    gt   else     ch    curl init     curl setopt  ch  CURLOPT POST  1    curl setopt  ch  CURLOPT POSTFIELDS   fields    application x-www-form-urlencoded ex    fields   array  a    gt   sth    b    gt   else     ch    curl init     curl setopt  ch  CURLOPT POST  1    curl setopt  ch  CURLOPT POSTFIELDS   http build query  fields     http build query  Test it at your command line as user group   php -a php  gt   fields   array  a    gt   sth    b    gt   else    php  gt  echo  http build query  fields   a sth amp b else  The other end of the POST request will define the appropriate mode of connection

User · Answer

Replace  curl setopt  ch  CURLOPT POSTFIELDS  array  customer   gt  data string      with    data string   json encode array  customer   gt  data      Send blindly the json-encoded string    The server  IMO  expects the body of the HTTP request to be in JSON curl setopt  ch  CURLOPT POSTFIELDS   data string       I dont get what you meant by  other page   I hope it is the page at   url to post   If that page is written in PHP  the JSON you just posted above will be read in the below way    jsonStr   file get contents  php   input      read the HTTP body   json   json decode  jsonStr

User · Answer

url    url to post    data   array  first name    gt   First name   last name    gt   last name   email   gt  email gmail com   addresses    gt  array   address1    gt   some address    city    gt   city   country    gt   CA    first name    gt    Mother   last name    gt    Lastnameson   phone    gt   555-1212    province    gt   ON    zip    gt   123 ABC         postdata   json encode  data     ch   curl init  url   curl setopt  ch  CURLOPT SSL VERIFYHOST  0   curl setopt  ch  CURLOPT SSL VERIFYPEER  0   curl setopt  ch  CURLOPT POST  1   curl setopt  ch  CURLOPT POSTFIELDS   postdata   curl setopt  ch  CURLOPT RETURNTRANSFER  1   curl setopt  ch  CURLOPT FOLLOWLOCATION  1   curl setopt  ch  CURLOPT HTTPHEADER  array  Content-Type  application json      result   curl exec  ch   curl close  ch   print r   result     This code worked for me  You can try

User · Answer

You are POSTing the json incorrectly -- but even if it were correct  you would not be able to test using print r   POST   read why here    Instead  on your second page  you can nab the incoming request using file get contents  php   input    which will contain the POSTed json   To view the received data in a more readable format  try this    echo   lt pre gt   print r json decode file get contents  php   input    1    lt  pre gt      In your code  you are indicating Content-Type application json  but you are not json-encoding all of the POST data -- only the value of the  customer  POST field   Instead  do something like this    ch   curl init   url      Setup request to send json via POST   payload   json encode  array   customer   gt   data      curl setopt   ch  CURLOPT POSTFIELDS   payload    curl setopt   ch  CURLOPT HTTPHEADER  array  Content-Type application json       Return response instead of printing  curl setopt   ch  CURLOPT RETURNTRANSFER  true      Send request   result   curl exec  ch   curl close  ch     Print response  echo   lt pre gt  result lt  pre gt      Sidenote  You might benefit from using a third-party library instead of interfacing with the Shopify API directly yourself

[php] How to POST JSON Data With PHP cURL?

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