PHP code example of spiderrobb / signed-request

1. Go to this page and download the library: Download spiderrobb/signed-request library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

spiderrobb / signed-request example snippets


// File that is encoding Signed Request
// ------------------------------------
// defining secret to encode data with
$mySecret = '[My Super Secret String]';

// defining data to encode in signed request
// Note: myData does not need to be an array, it can be an Array, String, Boolean... etc.
$myData   = array(
    'dataKey' => 'dataValue'
);

$mySR     = SignedRequest::encode(
    $myData, array('secret' => $mySecret)
);


// File That is decoding Signed Request
// ------------------------------------
// defining secret to decode data with
$mySecret = '[My Super Secret String]';

// decoding signed request
try {
    // decoding signed request using same secret
    $myData = SignedRequest::decode(
        $mySR, array(
            'secret' => $mySecret
        )
    )
    print_r($myData);
} catch (Exception $e) {
    // signed request has been malformatted or cannot be trusted
    var_dump($e);
}

/* output
Array(
   'dataKey' => 'dataValue'
)
*/


$mySecret = '[My super secret secret]';
$myData   = array(
    'dataKey' => 'dataValue'
);
$mySR     = SignedRequest::encode(
    $myData, array(
        'secret'    => $mySecret,
        'algorithm' => 'HMAC-SHA1' // (optional) default: HMAC-SHA256
    )
);


$supportedAlgorithms = SignedRequest::getAlgorithms();


$mySecret = '[My super secret secret]';
$myData   = array(
    'dataKey' => 'dataValue'
);
$mySR     = SignedRequest::encode(
    $myData, array(
        'secret'  => $mySecret,
        'expires' => strtotime('2015-01-01 01:00:00')
    )
);


$mySecret = '[My super secret secret]';
$myData   = array(
    'dataKey' => 'dataValue'
);
$mySR     = SignedRequest::encode(
    $myData, array(
        'secret'  => $mySecret,
        'timeout' => 3600 // signed request will expire in 1 hour
    )
);


$myData = array(
    'id' => 153
);


$myData = array(
    'id' => 351
);


// Encoding data in signed request using method attribute
$mySecret = '[My super secret secret]';
$myData   = array(
    'dataKey' => 'dataValue'
);
$mySR     = SignedRequest::encode(
    $myData, array(
        'method'  => 'object1',
        'timeout' => 3600 // signed request will expire in 1 hour
    )
);

// Decoding data in signed request using method attribute
try {
    // decoding signed request using same secret
    $myData = SignedRequest::decode(
        $mySR, array(
            'method' => 'object1',
            'secret' => $mySecret
        )
    )
    print_r($myData);
} catch (Exception $e) {
    // signed request has been malformatted or cannot be trusted
    var_dump($e);
}