<!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>Restores the previously defined exception handler function</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.restore-error-handler.html">restore_error_handler</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.set-error-handler.html">set_error_handler</a></div> <div class="up"><a href="ref.errorfunc.html">Error Handling Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.restore-exception-handler" class="refentry"> <div class="refnamediv"> <h1 class="refname">restore_exception_handler</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">restore_exception_handler</span> — <span class="dc-title"> Restores the previously defined exception handler function </span></p> </div> <div class="refsect1 description" id="refsect1-function.restore-exception-handler-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>restore_exception_handler</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Used after changing the exception handler function using <span class="function"><a href="function.set-exception-handler.html" class="function">set_exception_handler()</a></span>, to revert to the previous exception handler (which could be the built-in or a user defined function). </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.restore-exception-handler-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> This function always returns <strong><code>TRUE</code></strong>. </p> </div> <div class="refsect1 examples" id="refsect1-function.restore-exception-handler-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-455"> <p><strong>Example #1 <span class="function"><strong>restore_exception_handler()</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">function </span><span style="color: #0000BB">exception_handler_1</span><span style="color: #007700">(</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">)<br /> {<br /> echo </span><span style="color: #DD0000">'[' </span><span style="color: #007700">. </span><span style="color: #0000BB">__FUNCTION__ </span><span style="color: #007700">. </span><span style="color: #DD0000">'] ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$e</span><span style="color: #007700">-></span><span style="color: #0000BB">getMessage</span><span style="color: #007700">();<br /> }<br /><br /> function </span><span style="color: #0000BB">exception_handler_2</span><span style="color: #007700">(</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">)<br /> {<br /> echo </span><span style="color: #DD0000">'[' </span><span style="color: #007700">. </span><span style="color: #0000BB">__FUNCTION__ </span><span style="color: #007700">. </span><span style="color: #DD0000">'] ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$e</span><span style="color: #007700">-></span><span style="color: #0000BB">getMessage</span><span style="color: #007700">();<br /> }<br /><br /> </span><span style="color: #0000BB">set_exception_handler</span><span style="color: #007700">(</span><span style="color: #DD0000">'exception_handler_1'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">set_exception_handler</span><span style="color: #007700">(</span><span style="color: #DD0000">'exception_handler_2'</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">restore_exception_handler</span><span style="color: #007700">();<br /><br /> throw new </span><span style="color: #0000BB">Exception</span><span style="color: #007700">(</span><span style="color: #DD0000">'This triggers the first exception handler...'</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> [exception_handler_1] This triggers the first exception handler... </pre></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.restore-exception-handler-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.set-exception-handler.html" class="function" rel="rdfs-seeAlso">set_exception_handler()</a> - Sets a user-defined exception handler function</span></li> <li class="member"> <span class="function"><a href="function.set-error-handler.html" class="function" rel="rdfs-seeAlso">set_error_handler()</a> - Sets a user-defined error handler function</span></li> <li class="member"> <span class="function"><a href="function.restore-error-handler.html" class="function" rel="rdfs-seeAlso">restore_error_handler()</a> - Restores the previous error handler function</span></li> <li class="member"> <span class="function"><a href="function.error-reporting.html" class="function" rel="rdfs-seeAlso">error_reporting()</a> - Sets which PHP errors are reported</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.restore-error-handler.html">restore_error_handler</a></div> <div 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