PHP Secure Token Generator Authentication tutorial

php Programming Technology

Today, We want to share with you PHP Secure Token Generator Authentication tutorial.In this post we will show you Generate a Secure token with PHP, hear for token based authentication in web api php we will give you demo and example for implement.In this post, we will learn about php token authentication tutorial with an example.

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PHP Secure Token Generator Authentication tutorial

There are the Following The simple About PHP Secure Token Generator Authentication tutorial Full Information With Example and source code.

As I will cover this Post with live Working example to develop unique code generate in php, so the php create random md5 for this example is following below.

function secureGenerateToken($mylen, $lengthType) {

    // Work out byte mylen
    switch($lengthType) {

        case 'bits':
            $total_len = ceil($mylen / 8);
            break;

        case 'bytes':
            $total_len = $mylen;
            break;

        case 'chars':
            $total_len = $mylen / 2; // simple In hex one char = 4 bits, i.e. 2 chars per byte
            break;

        default:
            return false;
            break;

    }

    //PHP simple Try fetching a cryptographically here secure token
    $token = openssl_random_pseudo_bytes($total_len);

    if ($token !== false) {

        return bin2hex($token);

    }
    else {

        // PHP openssl_random_pseudo_bytes simple failed
        return false;

    }

}

var_dump(secureGenerateToken(128, 'bits'));          // string(32) "19e25e5adc98566666beab0692c6" (128-bit)
var_dump(secureGenerateToken(16,  'bytes'));         // string(32) "a5b60494f76f9cd9898cdd7a8ef26de7" (16 bytes)
var_dump(secureGenerateToken(16,  'chars'));         // string(16) "5252fjjCC5c7d785" (16 characters)
var_dump(secureGenerateToken(128, 'invalid type'));  // bool(false) 

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