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Source of: /manual/fa/function.exit.php

<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/ref.misc.inc";
$setup = array (
  'home' =>
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' =>
  array (
    0 => 'UTF-8',
    1 => 'fa',
  ),
  'this' =>
  array (
    0 => 'function.exit.php',
    1 => 'exit',
  ),
  'up' =>
  array (
    0 => 'ref.misc.php',
    1 => 'Misc. Functions',
  ),
  'prev' =>
  array (
    0 => 'function.eval.php',
    1 => 'eval',
  ),
  'next' =>
  array (
    0 => 'function.get-browser.php',
    1 => 'get_browser',
  ),
);
$setup["toc"] = $TOC;
$setup["parents"] = $PARENTS;
manual_setup($setup);

manual_header();
?>
<div id="function.exit" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">exit</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">exit</span> &mdash; <span class="dc-title">Output a message and terminate the current script</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.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"><b>exit</b></span>
    ([ <span class="methodparam"><span class="type">string</span> <tt class="parameter">$status</tt></span>
  ] )</div>

  <div class="methodsynopsis dc-description">
   <span class="type"><span class="type void">void</span></span> <span class="methodname"><b>exit</b></span>
    ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$status</tt></span>
   )</div>

  <p class="para rdfs-comment">
   Terminates execution of the script.
   <a href="function.register-shutdown-function.php" class="link">Shutdown functions</a>
   and <a href="language.oop5.decon.php#language.oop5.decon.destructor" class="link">object destructors</a>
   will always be executed even if <span class="function"><b>exit()</b></span> is called.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.exit-parameters">
  <h3 class="title">Parameters</h3>
  <p class="para">
   <dl>

    <dt>

     <span class="term"><i><tt class="parameter">status</tt></i></span>
     <dd>

      <p class="para">
       If <i><tt class="parameter">status</tt></i> is a string, this function prints the
       <i><tt class="parameter">status</tt></i> just before exiting.
      </p>
      <p class="para">
       If <i><tt class="parameter">status</tt></i> is an <span class="type"><a href="language.types.integer.php" class="type integer">integer</a></span>, that
       value will be used as the exit status and not printed. Exit statuses should be in
       the range 0 to 254, the exit status 255 is reserved by PHP and shall
       not be used. The status 0 is used to terminate the program
       successfully.
      </p>
      <blockquote class="note"><p><b class="note">Note</b>:
       <span class="simpara">
        PHP &gt;= 4.2.0 does NOT print the <i><tt class="parameter">status</tt></i>
        if it is an <span class="type"><a href="language.types.integer.php" class="type integer">integer</a></span>.
       </span>
      </p></blockquote>
     </dd>

    </dt>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.exit-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   No value is returned.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.exit-examples">
  <h3 class="title">Examples</h3>
  <p class="para">
   <div class="example" id="example-3135">
    <p><b>Example #1 <span class="function"><b>exit()</b></span> example</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$filename&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'/path/to/data-file'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$file&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'r'</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or&nbsp;exit(</span><span style="color: #DD0000">"unable&nbsp;to&nbsp;open&nbsp;file&nbsp;(</span><span style="color: #0000BB">$filename</span><span style="color: #DD0000">)"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
  <p class="para">
   <div class="example" id="example-3136">
    <p><b>Example #2 <span class="function"><b>exit()</b></span> status example</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//exit&nbsp;program&nbsp;normally<br /></span><span style="color: #007700">exit;<br />exit();<br />exit(</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//exit&nbsp;with&nbsp;an&nbsp;error&nbsp;code<br /></span><span style="color: #007700">exit(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />exit(</span><span style="color: #0000BB">0376</span><span style="color: #007700">);&nbsp;</span><span style="color: #FF8000">//octal<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
  <p class="para">
   <div class="example" id="example-3137">
    <p><b>Example #3 Shutdown functions and destructors run regardless</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class&nbsp;</span><span style="color: #0000BB">Foo<br /></span><span style="color: #007700">{<br />&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;function&nbsp;</span><span style="color: #0000BB">__destruct</span><span style="color: #007700">()<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Destruct:&nbsp;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">__METHOD__&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">'()'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br />function&nbsp;</span><span style="color: #0000BB">shutdown</span><span style="color: #007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Shutdown:&nbsp;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">__FUNCTION__&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">'()'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$foo&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Foo</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">register_shutdown_function</span><span style="color: #007700">(</span><span style="color: #DD0000">'shutdown'</span><span style="color: #007700">);<br /><br />exit();<br />echo&nbsp;</span><span style="color: #DD0000">'This&nbsp;will&nbsp;not&nbsp;be&nbsp;output.'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</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>
 Shutdown: shutdown()
 Destruct: Foo::__destruct()
 </pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.exit-notes">
  <h3 class="title">Notes</h3>
 
  <blockquote class="note"><p><b class="note">Note</b>: <span class="simpara">Because this is a
language construct and not a function, it cannot be called using
<a href="functions.variable-functions.php" class="link">variable functions</a></span>
</p></blockquote>

  <blockquote class="note"><p><b class="note">Note</b>:
   <p class="para">
    This language construct is equivalent to <span class="function"><a href="function.die.php" class="function">die()</a></span>.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.exit-seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.register-shutdown-function.php" class="function" rel="rdfs-seeAlso">register_shutdown_function()</a> - Register a function for execution on shutdown</span></li>
   </ul>
  </p>
 </div>


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