<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Encrypt a PHP script with BLENC.</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.blenc.html">Blenc Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.errorfunc.html">Error Handling</a></div> <div class="up"><a href="ref.blenc.html">Blenc Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.blenc-encrypt" class="refentry"> <div class="refnamediv"> <h1 class="refname">blenc_encrypt</h1> <p class="verinfo">(PECL blenc >= 5)</p><p class="refpurpose"><span class="refname">blenc_encrypt</span> — <span class="dc-title"> Encrypt a PHP script with BLENC. </span></p> </div> <div class="refsect1 description" id="refsect1-function.blenc-encrypt-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><strong>blenc_encrypt</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$plaintext</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter">$encodedfile</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$encryption_key</code></span> ] )</div> <p class="para rdfs-comment"> Encrypt the plaintext content and write it into encodedfile </p> </div> <div class="refsect1 parameters" id="refsect1-function.blenc-encrypt-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"> <em><code class="parameter">plaintext</code></em> </span> <dd> <p class="para"> A source code to encrypt. Does not need to contain opening/closing PHP tags </p> </dd> </dt> <dt> <span class="term"> <em><code class="parameter">encodedfile</code></em> </span> <dd> <p class="para"> The filename where BLENC will save the encoded source. </p> </dd> </dt> <dt> <span class="term"> <em><code class="parameter">encryption_key</code></em> </span> <dd> <p class="para"> The key that BLENC will use to encrypt plaintext content. If not given BLENC will create a valid key. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.blenc-encrypt-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> BLENC will return the redistributable key that must be saved into key_file: the path of key_file is specified at runtime with the option blenc.key_file </p> </div> <div class="refsect1 examples" id="refsect1-function.blenc-encrypt-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-447"> <p><strong>Example #1 <span class="function"><strong>blenc_encrypt()</strong></span> example </strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* read the PHP source code */<br /></span><span style="color: #0000BB">$source_code </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"my_source_to_protect.php"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* create the encrypted version */<br /></span><span style="color: #0000BB">$redistributable_key </span><span style="color: #007700">= </span><span style="color: #0000BB">blenc_encrypt</span><span style="color: #007700">(</span><span style="color: #0000BB">$source_code</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_source_encoded.php"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* read which is the key_file */<br /></span><span style="color: #0000BB">$key_file </span><span style="color: #007700">= </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #DD0000">'blenc.key_file'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* save the redistributable key */<br /></span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #0000BB">$key_file</span><span style="color: #007700">, </span><span style="color: #0000BB">$redistributable_key</span><span style="color: #007700">, </span><span style="color: #0000BB">FILE_APPEND</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.blenc.html">Blenc Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.errorfunc.html">Error Handling</a></div> <div class="up"><a href="ref.blenc.html">Blenc Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>