Created
April 9, 2013 17:21
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This is the code I use (minus Google Analytics) for the CodeIgniter encryption key generator located at http://jeffreybarke.net/tools/codeigniter-encryption-key-generator/
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| <?php | |
| /** | |
| * Generate an encryption key for CodeIgniter. | |
| * http://codeigniter.com/user_guide/libraries/encryption.html | |
| */ | |
| // http://www.itnewb.com/v/Generating-Session-IDs-and-Random-Passwords-with-PHP | |
| function generate_token ($len = 32) | |
| { | |
| // Array of potential characters, shuffled. | |
| $chars = array( | |
| 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', | |
| 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', | |
| 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', | |
| 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', | |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' | |
| ); | |
| shuffle($chars); | |
| $num_chars = count($chars) - 1; | |
| $token = ''; | |
| // Create random token at the specified length. | |
| for ($i = 0; $i < $len; $i++) | |
| { | |
| $token .= $chars[mt_rand(0, $num_chars)]; | |
| } | |
| return $token; | |
| } | |
| ?><!DOCTYPE html> | |
| <html lang="en-us" dir="ltr"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>CodeIgniter encryption key generator</title> | |
| <meta name="description" content="Generates a random, 32 character string to be used by CodeIgniter’s encryption class."> | |
| </head> | |
| <body> | |
| <pre><code><?php echo '$config[\'encryption_key\'] = \'' . generate_token(32) . '\';'; ?></code></pre> | |
| </body> | |
| </html> |
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