Source of: /manual/en/function.runkit-function-redefine.php
<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/ref.runkit.inc";
$setup = array (
'home' =>
array (
0 => 'index.php',
1 => 'PHP Manual',
),
'head' =>
array (
0 => 'UTF-8',
1 => 'en',
),
'this' =>
array (
0 => 'function.runkit-function-redefine.php',
1 => 'runkit_function_redefine',
),
'up' =>
array (
0 => 'ref.runkit.php',
1 => 'runkit Functions',
),
'prev' =>
array (
0 => 'function.runkit-function-copy.php',
1 => 'runkit_function_copy',
),
'next' =>
array (
0 => 'function.runkit-function-remove.php',
1 => 'runkit_function_remove',
),
);
$setup["toc"] = $TOC;
$setup["parents"] = $PARENTS;
manual_setup($setup);
manual_header();
?>
<div id="function.runkit-function-redefine" class="refentry">
<div class="refnamediv">
<h1 class="refname">runkit_function_redefine</h1>
<p class="verinfo">(PECL runkit >= 0.7.0)</p><p class="refpurpose"><span class="refname">runkit_function_redefine</span> — <span class="dc-title">
Replace a function definition with a new implementation
</span></p>
</div>
<a name="function.runkit-function-redefine.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><b>runkit_function_redefine</b></span>
( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$funcname</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$arglist</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$code</tt></span>
)</div>
<blockquote><p><b class="note">Note</b>: <span class="simpara">By default, only
userspace functions may be removed, renamed, or modified. In order to
override internal functions, you must enable the
<i>runkit.internal_override</i> setting in <var class="filename">php.ini</var>.</span>
</p></blockquote>
</div>
<a name="function.runkit-function-redefine.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">funcname</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
Name of function to redefine
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">arglist</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
New list of arguments to be accepted by function
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">code</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
New code implementation
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.runkit-function-redefine.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <b><tt class="constant">TRUE</tt></b> on success or <b><tt class="constant">FALSE</tt></b> on failure.
</p>
</div>
<a name="function.runkit-function-redefine.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 A <b>runkit_function_redefine()</b> example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">testme</span><span style="color: #007700">() {<br /> echo </span><span style="color: #DD0000">"Original Testme Implementation\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">testme</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">runkit_function_redefine</span><span style="color: #007700">(</span><span style="color: #DD0000">'testme'</span><span style="color: #007700">,</span><span style="color: #DD0000">''</span><span style="color: #007700">,</span><span style="color: #DD0000">'echo "New Testme Implementation\n";'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">testme</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents para"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Original Testme Implementation
New Testme Implementation
</pre></div>
</div>
</div><p>
</p>
</div>
<a name="function.runkit-function-redefine.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.runkit-function-add.php" class="function" rel="rdfs-seeAlso">runkit_function_add()</a> - Add a new function, similar to create_function</li>
<li class="member"><a href="function.runkit-function-copy.php" class="function" rel="rdfs-seeAlso">runkit_function_copy()</a> - Copy a function to a new function name</li>
<li class="member"><a href="function.runkit-function-rename.php" class="function" rel="rdfs-seeAlso">runkit_function_rename()</a> - Change a function's name</li>
<li class="member"><a href="function.runkit-function-remove.php" class="function" rel="rdfs-seeAlso">runkit_function_remove()</a> - Remove a function definition</li>
</ul><p>
</p>
</div>
</div><?php manual_footer(); ?>
