📄 function.register-tick-function.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Register a function for execution on each tick</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.register-shutdown-function.html">register_shutdown_function</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.unregister-tick-function.html">unregister_tick_function</a></div> <div class="up"><a href="ref.funchand.html">Function handling Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.register-tick-function" class="refentry"> <div class="refnamediv"> <h1 class="refname">register_tick_function</h1> <p class="verinfo">(PHP 4 >= 4.0.3, PHP 5)</p><p class="refpurpose"><span class="refname">register_tick_function</span> — <span class="dc-title">Register a function for execution on each tick</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>register_tick_function</b></b></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.callback" class="type callback">callback</a></span> <tt class="parameter">$function</tt></span> [, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$arg</tt></span> [, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$...</tt></span> ]] )</div> <p class="simpara"> Registers the given <i><tt class="parameter">function</tt></i> to be executed when a <a href="control-structures.declare.html#control-structures.declare.ticks" class="link">tick</a> is called. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">function</tt></i></span> <dd> <p class="para"> The function name as a string, or an array consisting of an object and a method. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">arg</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">...</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>register_tick_function()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// using a function as the callback<br /></span><span style="color: #0000BB">register_tick_function</span><span style="color: #007700">(</span><span style="color: #DD0000">'my_function'</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// using an object->method<br /></span><span style="color: #0000BB">$object </span><span style="color: #007700">= new </span><span style="color: #0000BB">my_class</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">register_tick_function</span><span style="color: #007700">(array(&</span><span style="color: #0000BB">$object</span><span style="color: #007700">, </span><span style="color: #DD0000">'my_method'</span><span style="color: #007700">), </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">5.3.0</td> <td colspan="1" rowspan="1" align="left"> Ticks are now deprecated and <b>register_tick_function()</b> now throws an E_DEPRECATED notice. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <div class="warning"><b class="warning">Warning</b> <p class="para"> <b>register_tick_function()</b> should not be used with threaded web server modules. Ticks are not working in ZTS mode and may crash your web server. </p> </div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="control-structures.declare.html" class="link">declare</a></li> <li class="member"><a href="function.unregister-tick-function.html" class="function" rel="rdfs-seeAlso">unregister_tick_function()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.register-shutdown-function.html">register_shutdown_function</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.unregister-tick-function.html">unregister_tick_function</a></div> <div class="up"><a href="ref.funchand.html">Function handling Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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