PHP Manual: Encrypt a PHP script with BLENC.

Description

string blenc_encrypt ( string $plaintext , string $encodedfile [, string $encryption_key ] )

Encrypt the plaintext content and write it into encodedfile

Parameters

plaintext: A source code to encrypt. Does not need to contain opening/closing PHP tags
encodedfile: The filename where BLENC will save the encoded source.
encryption_key: The key that BLENC will use to encrypt plaintext content. If not given BLENC will create a valid key.

Return Values

BLENC will return the redistributable key that must be saved into key_file: the path of key_file is specified at runtime with the option blenc.key_file

Examples

Example #1 blenc_encrypt example


<?php

/* read the PHP source code */
$source_code = file_get_contents("my_source_to_protect.php");

/* create the encrypted version */
$redistributable_key = blenc_encrypt($source_code, "my_source_encoded.php");

/* read which is the key_file */
$key_file = ini_get('blenc.key_file');

/* save the redistributable key */
file_put_contents($key_file, $redistributable_key, FILE_APPEND);
?>