I am working on my REST client library for CodeIgniter and I am struggling to work out how to send PUT and DELETE arguments in PHP.
In a few places I have seen people using the options:
$this->option(CURLOPT_PUT, TRUE);
$this->option(CURLOPT_POSTFIELDS, $params);
Annoyingly, this seems to do nothing. Is this the correct way to set PUT parameters?
If so, how do I set DELETE parameters?
$this->option() is part of my library, it simply builds up an array of CURLOPT_XX constants and sends them to curl_setopt_array() when the built up cURL request is executed.
I am attempting to read PUT and DELETE parameters using the following code:
case 'put':
// Set up out PUT variables
parse_str(file_get_contents('php://input'), $this->_put_args);
break;
case 'delete':
// Set up out PUT variables
parse_str(file_get_contents('php://input'), $this->_delete_args);
break;
There are two options here, I am approaching this in the wrong way or there is a bug somewhere in my libraries. If you could let me know if this should theoretically work I can just hammer away on debug until I solve it.
I dont want to waste any more time on an approach that is fundamentally wrong.
Instead of using CURLOPT_PUT = TRUE use CURLOPT_CUSTOMREQUEST = 'PUT'
and CURLOPT_CUSTOMREQUEST = 'DELETE' then just set values with CURLOPT_POSTFIELDS.
Here is some code which may be helpful for others wanting to handle PUT and DELETE params. You are able to set $_PUT and $_DELETE via $GLOBALS[], but they will not be directly accessible in functions unless declared global or accessed via $GLOBALS[]. To get around this, I've made a simple class for reading GET/POST/PUT/DELETE request arguments. This also populates $_REQUEST with PUT/DELETE params.
This class will parse the PUT/DELETE params and support GET/POST as well.
class Params {
private $params = Array();
public function __construct() {
$this->_parseParams();
}
/**
* @brief Lookup request params
* @param string $name Name of the argument to lookup
* @param mixed $default Default value to return if argument is missing
* @returns The value from the GET/POST/PUT/DELETE value, or $default if not set
*/
public function get($name, $default = null) {
if (isset($this->params[$name])) {
return $this->params[$name];
} else {
return $default;
}
}
private function _parseParams() {
$method = $_SERVER['REQUEST_METHOD'];
if ($method == "PUT" || $method == "DELETE") {
parse_str(file_get_contents('php://input'), $this->params);
$GLOBALS["_{$method}"] = $this->params;
// Add these request vars into _REQUEST, mimicing default behavior, PUT/DELETE will override existing COOKIE/GET vars
$_REQUEST = $this->params + $_REQUEST;
} else if ($method == "GET") {
$this->params = $_GET;
} else if ($method == "POST") {
$this->params = $_POST;
}
}
}