📄 function.com-invoke.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>Calls a COM component's method [deprecated]</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.com-get.html">com_get</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.com-isenum.html">com_isenum</a></div> <div class="up"><a href="ref.com.html">COM Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.com-invoke" class="refentry"> <div class="refnamediv"> <h1 class="refname">com_invoke</h1> <p class="verinfo">(PHP 4)</p><p class="refpurpose"><span class="refname">com_invoke</span> — <span class="dc-title">Calls a COM component's method [deprecated]</span></p> </div> <div class="refsect1 unknown"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>com_invoke</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$com_object</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$function_name</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">$function_parameters</tt></span> ] )</div> <p class="para rdfs-comment"> <b>com_invoke()</b> invokes the method named <i><tt class="parameter">function_name</tt></i> of the COM component referenced by <i><tt class="parameter">com_object</tt></i>. <b>com_invoke()</b> returns <b><tt>FALSE</tt></b> on error, returns the <i><tt class="parameter">function_name</tt></i>'s return value on success. All the extra parameters <i><tt class="parameter">function_parameters</tt></i> are passed to the method <i><tt class="parameter">function_name</tt></i>. </p> <p class="para"> <div class="example"> <p><b>Example #1 Don't use com_invoke(), use OO syntax instead</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// do this<br /></span><span style="color: #0000BB">$val </span><span style="color: #007700">= </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">method</span><span style="color: #007700">(</span><span style="color: #0000BB">$one</span><span style="color: #007700">, </span><span style="color: #0000BB">$two</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// instead of this:<br /></span><span style="color: #0000BB">$val </span><span style="color: #007700">= </span><span style="color: #0000BB">com_invoke</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #DD0000">'method'</span><span style="color: #007700">, </span><span style="color: #0000BB">$one</span><span style="color: #007700">, </span><span style="color: #0000BB">$two</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <blockquote><p><b class="note">Note</b>: <span class="simpara"> This function does not exist in PHP 5; instead, you should use the regular and more natural OO syntax to access properties or call methods. </span></p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.com-get.html">com_get</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.com-isenum.html">com_isenum</a></div> <div class="up"><a href="ref.com.html">COM 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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