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<title>Allows control over disabled exit opcode</title>
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<div class="refnamediv">
<h1 class="refname">uopz_allow_exit</h1>
<p class="verinfo">(PECL uopz 5)</p><p class="refpurpose"><span class="refname">uopz_allow_exit</span> — <span class="dc-title">Allows control over disabled exit opcode</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.uopz-allow-exit-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>uopz_allow_exit</strong></span>
( <span class="methodparam"><span class="type">bool</span> <code class="parameter">$allow</code></span>
)</div>
<p class="para rdfs-comment">
By default uopz disables the exit opcode, so <span class="function"><a href="function.exit.html" class="function">exit()</a></span> calls
are practically ignored. <span class="function"><strong>uopz_allow_exit()</strong></span>
allows to control this behavior.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.uopz-allow-exit-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">allow</code></dt>
<dd>
<p class="para">
Whether to allow the execution of exit opcodes or not.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.uopz-allow-exit-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.uopz-allow-exit-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-596">
<p><strong>Example #1 <span class="function"><strong>uopz_allow_exit()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">exit(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">uopz_allow_exit</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br />exit(</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
1
</pre></div>
</div>
</div>
</div>
<div class="refsect1 notes" id="refsect1-function.uopz-allow-exit-notes">
<h3 class="title">Notes</h3>
<div class="caution"><strong class="caution">Caution</strong>
<p class="para">
<a href="book.opcache.html" class="link">OPcache</a> optimizes away dead code after unconditional exit.
</p>
</div>
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">Because this is a
language construct and not a function, it cannot be called using
<a href="functions.variable-functions.html" class="link">variable functions</a>.</span>
</p></blockquote>
<div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function
is not (yet) binary safe!</p></div>
<blockquote class="note"><p><strong class="note">Note</strong>: <strong>register_globals: important
note</strong><br /><p class="para">As of PHP 4.2.0, the default value for the PHP directive
<a href="ini.core.html#ini.register-globals" class="link">register_globals</a> is <em class="emphasis">
off</em>. The PHP community discourages developers from relying on this directive, and encourages the use
of other means, such as the <a href="language.variables.predefined.html" class="link">superglobals</a>.</p></p></blockquote>
</div>
<div class="refsect1 seealso" id="refsect1-function.uopz-allow-exit-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.uopz-get-exit-status.html" class="function" rel="rdfs-seeAlso">uopz_get_exit_status()</a> - Retrieve the last set exit status</span></li>
</ul>
</div>
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