curl - how to use (functions)

<?php

//--------------------------------------------------------------------------------------------------------------------------------------------
$curl_error_codes = array(
    0 => 'NO_ERROR',
    1 => 'CURLE_UNSUPPORTED_PROTOCOL',
    2 => 'CURLE_FAILED_INIT',
    3 => 'CURLE_URL_MALFORMAT',
    4 => 'CURLE_URL_MALFORMAT_USER',
    5 => 'CURLE_COULDNT_RESOLVE_PROXY',
    6 => 'CURLE_COULDNT_RESOLVE_HOST',
    7 => 'CURLE_COULDNT_CONNECT',
    8 => 'CURLE_FTP_WEIRD_SERVER_REPLY',
    9 => 'CURLE_REMOTE_ACCESS_DENIED',
    11 => 'CURLE_FTP_WEIRD_PASS_REPLY',
    13 => 'CURLE_FTP_WEIRD_PASV_REPLY',
    14 =>'CURLE_FTP_WEIRD_227_FORMAT',
    15 => 'CURLE_FTP_CANT_GET_HOST',
    17 => 'CURLE_FTP_COULDNT_SET_TYPE',
    18 => 'CURLE_PARTIAL_FILE',
    19 => 'CURLE_FTP_COULDNT_RETR_FILE',
    21 => 'CURLE_QUOTE_ERROR',
    22 => 'CURLE_HTTP_RETURNED_ERROR',
    23 => 'CURLE_WRITE_ERROR',
    25 => 'CURLE_UPLOAD_FAILED',
    26 => 'CURLE_READ_ERROR',
    27 => 'CURLE_OUT_OF_MEMORY',
    28 => 'CURLE_OPERATION_TIMEDOUT',
    30 => 'CURLE_FTP_PORT_FAILED',
    31 => 'CURLE_FTP_COULDNT_USE_REST',
    33 => 'CURLE_RANGE_ERROR',
    34 => 'CURLE_HTTP_POST_ERROR',
    35 => 'CURLE_SSL_CONNECT_ERROR',
    36 => 'CURLE_BAD_DOWNLOAD_RESUME',
    37 => 'CURLE_FILE_COULDNT_READ_FILE',
    38 => 'CURLE_LDAP_CANNOT_BIND',
    39 => 'CURLE_LDAP_SEARCH_FAILED',
    41 => 'CURLE_FUNCTION_NOT_FOUND',
    42 => 'CURLE_ABORTED_BY_CALLBACK',
    43 => 'CURLE_BAD_FUNCTION_ARGUMENT',
    45 => 'CURLE_INTERFACE_FAILED',
    47 => 'CURLE_TOO_MANY_REDIRECTS',
    48 => 'CURLE_UNKNOWN_TELNET_OPTION',
    49 => 'CURLE_TELNET_OPTION_SYNTAX',
    51 => 'CURLE_PEER_FAILED_VERIFICATION',
    52 => 'CURLE_GOT_NOTHING',
    53 => 'CURLE_SSL_ENGINE_NOTFOUND',
    54 => 'CURLE_SSL_ENGINE_SETFAILED',
    55 => 'CURLE_SEND_ERROR',
    56 => 'CURLE_RECV_ERROR',
    58 => 'CURLE_SSL_CERTPROBLEM',
    59 => 'CURLE_SSL_CIPHER',
    60 => 'CURLE_SSL_CACERT',
    61 => 'CURLE_BAD_CONTENT_ENCODING',
    62 => 'CURLE_LDAP_INVALID_URL',
    63 => 'CURLE_FILESIZE_EXCEEDED',
    64 => 'CURLE_USE_SSL_FAILED',
    65 => 'CURLE_SEND_FAIL_REWIND',
    66 => 'CURLE_SSL_ENGINE_INITFAILED',
    67 => 'CURLE_LOGIN_DENIED',
    68 => 'CURLE_TFTP_NOTFOUND',
    69 => 'CURLE_TFTP_PERM',
    70 => 'CURLE_REMOTE_DISK_FULL',
    71 => 'CURLE_TFTP_ILLEGAL',
    72 => 'CURLE_TFTP_UNKNOWNID',
    73 => 'CURLE_REMOTE_FILE_EXISTS',
    74 => 'CURLE_TFTP_NOSUCHUSER',
    75 => 'CURLE_CONV_FAILED',
    76 => 'CURLE_CONV_REQD',
    77 => 'CURLE_SSL_CACERT_BADFILE',
    78 => 'CURLE_REMOTE_FILE_NOT_FOUND',
    79 => 'CURLE_SSH',
    80 => 'CURLE_SSL_SHUTDOWN_FAILED',
    81 => 'CURLE_AGAIN',
    82 => 'CURLE_SSL_CRL_BADFILE',
    83 => 'CURLE_SSL_ISSUER_ERROR',
    84 => 'CURLE_FTP_PRET_FAILED',
    84 => 'CURLE_FTP_PRET_FAILED',
    85 => 'CURLE_RTSP_CSEQ_ERROR',
    86 => 'CURLE_RTSP_SESSION_ERROR',
    87 => 'CURLE_FTP_BAD_FILE_LIST',
    88 => 'CURLE_CHUNK_FAILED'
);
//--------------------------------------------------------------------------------------------------------------------------------------------
/*
*   $data may be an array() ex.
*   array(
*       'myproperty' => 'a text',
*       'another_property' => 'hello world'
*   )
*/
function CallAPIEx($method, $url, $data)
{
    global $curl_error_codes;
    $curl = curl_init($url);
    switch ($method)
    {
        case "POST":
            curl_setopt($curl, CURLOPT_POST, true);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            break;
        case "PUT":
            curl_setopt($curl, CURLOPT_PUT, 1);
            break;
        default:
            if ($data)
                $url = sprintf("%s?%s", $url, http_build_query($data));
    }

    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 1);

    // Use the below (CURLOPT_SSL_VERIFYPEER) in case of self signed certificate on the server
    // curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

    $result = curl_exec($curl);
    $info = curl_getinfo($curl);
    $error = curl_errno($curl);
    curl_close($curl);

    return array(
        'result'    => $result,
        'info'      => $info,
        'error'     => $error,
        'error_msg' => $curl_error_codes[$error],
    );
}
//--------------------------------------------------------------------------------------------------------------------------------------------