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The following post will explain how to use PHP/cURL to retrieve data in JSON or XML and process it for using in your PHP application
cURL is a command line tool that uses URL syntax to transfer data to and from servers. cURL is extremely flexible and can be used to transfer all sorts of data over various connections. In this example we’ll be using a HTTP request over SSL with a key and host value sent in the headers.
$ch = curl_init();
First initialise your cURL request.
$optArray = array( CURLOPT_URL => 'https://example.com/api/getInfo/', CURLOPT_RETURNTRANSFER => true );
Then set the request options, this request will load the contents of
$headers = [ "Access-Key: 123456789QWERTYUIOP", "Access-Token: ASDFGHJKL0987654321", ];
Then send the headers, in this instance the headers include two values “Access-Key” and “Access-Token” these
will be used by
example.com to verify the request is coming from the right source.
curl_setopt_array($ch, $optArray); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); $result = curl_exec($ch);
Next the options and headers are added to the cURL request, and the request is executed. The result of the request
will be stored in
If the value that is returned is in JSON format we’ll need to convert it from JSON into a PHP object:
$processed = json_decode($result, true);
Alternatively, if it is in XML the following code can be used:
$processed = simplexml_load_string($result);
$processed variable will now contain our PHP object, ready for processing.