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<title>[14639] trunk: Introduce __return_zero()
and use it instead of create_function in the login header.</title>
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<body>
<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/14639">14639</a></dd>
<dt>Author</dt> <dd>westi</dd>
<dt>Date</dt> <dd>2010-05-14 16:46:53 +0000 (Fri, 14 May 2010)</dd>
</dl>
<h3>Log Message</h3>
<pre>Introduce __return_zero() and use it instead of create_function in the login header.
Also add version info to __return_true and __return_false.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesfunctionsphp">trunk/wp-includes/functions.php</a></li>
<li><a href="#trunkwploginphp">trunk/wp-login.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/functions.php (14638 => 14639)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/functions.php 2010-05-14 16:45:14 UTC (rev 14638)
+++ trunk/wp-includes/functions.php 2010-05-14 16:46:53 UTC (rev 14639)
</span><span class="lines">@@ -4128,6 +4128,7 @@
</span><span class="cx"> *
</span><span class="cx"> * Useful for returning true to filters easily
</span><span class="cx"> *
</span><ins>+ * @since 3.0.0
</ins><span class="cx"> * @see __return_false()
</span><span class="cx"> * @return bool true
</span><span class="cx"> */
</span><span class="lines">@@ -4140,6 +4141,7 @@
</span><span class="cx"> *
</span><span class="cx"> * Useful for returning false to filters easily
</span><span class="cx"> *
</span><ins>+ * @since 3.0.0
</ins><span class="cx"> * @see __return_true()
</span><span class="cx"> * @return bool false
</span><span class="cx"> */
</span><span class="lines">@@ -4148,6 +4150,19 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * Returns 0
+ *
+ * Useful for returning 0 to filters easily
+ *
+ * @since 3.0.0
+ * @see __return_zero()
+ * @return int 0
+ */
+function __return_zero() {
+ return 0;
+}
+
+/**
</ins><span class="cx"> * Send a HTTP header to disable content type sniffing in browsers which support it.
</span><span class="cx"> *
</span><span class="cx"> * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
</span></span></pre></div>
<a id="trunkwploginphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-login.php (14638 => 14639)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-login.php 2010-05-14 16:45:14 UTC (rev 14638)
+++ trunk/wp-login.php 2010-05-14 16:46:53 UTC (rev 14639)
</span><span class="lines">@@ -42,7 +42,7 @@
</span><span class="cx"> global $error, $is_iphone, $interim_login, $current_site;
</span><span class="cx">
</span><span class="cx"> // Don't index any of these forms
</span><del>- add_filter( 'pre_option_blog_public', create_function( '$a', 'return 0;' ) );
</del><ins>+ add_filter( 'pre_option_blog_public', '__return_zero' );
</ins><span class="cx"> add_action( 'login_head', 'noindex' );
</span><span class="cx">
</span><span class="cx"> if ( empty($wp_error) )
</span></span></pre>
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