Generic Curl Call PHP

curl.php

<?php
function call($url,$data=array()) {
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HEADER, 0);

		// set custom headers
		$headers = array('Accept: application/json');

		$headers[] = "X-Forwarded-For: {$_SERVER['REMOTE_ADDR']}";

		if($access_cred['access_token']) {
			$headers[] = "Authorization: BEARER {$access_cred['access_token']}";
		}

		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt($ch, CURLOPT_TIMEOUT, '30');

		if($data) {
			curl_setopt($ch, CURLOPT_POST, true);
			if(is_array($data)) {
				// needs to encode to support assocative arrays
				curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
			} else {
				curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
			}
		} else {
			curl_setopt($ch, CURLOPT_HTTPGET, true);
		}

		if($response = curl_exec($ch)) {
			$response = json_decode($response,true);
			if($error = json_last_error()) {
				$this->error = array('json'=>$error);
			} else {
				return $response;
			}
		} else {
			$this->error = array('curl'=>curl_error($ch));
		}
	}

//call('url') //with GET
//call('url', $data_params) //with POST