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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>Examples</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="com.error-handling.html">Errors and error handling</a></div> <div class="next" style="text-align: right; float: right;"><a href="com.examples.arrays.html">Arrays and Array-style COM properties</a></div> <div class="up"><a href="book.com.html">COM</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Examples</h1><h2>Table of Contents</h2><ul class="chunklist chunklist_chapter"><li><a href="com.examples.arrays.html">Arrays and Array-style COM properties</a></li></ul> <div id="com.examples.foreach" class="section"> <h2 class="title">For Each</h2> <p class="para"> Starting with PHP 5, you may use PHP's own <a href="control-structures.foreach.html" class="link">foreach</a> statement to iterate over the contents of a standard COM/OLE IEnumVariant. In laymans terms, this means that you can use foreach in places where you would have used <i>For Each</i> in VB/ASP code. </p> <p class="para"> <div class="example"> <p><b>Example #1 For Each in ASP</b></p> <div class="example-contents"><div class="cdata"><pre><%Set domainObject = GetObject("WinNT://Domain")For Each obj in domainObject Response.Write obj.Name & "<br />"Next%></pre></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #2 while() ... Next() in PHP 4</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php <br />$domainObject </span><span style="color: #007700">= new </span><span style="color: #0000BB">COM</span><span style="color: #007700">(</span><span style="color: #DD0000">"WinNT://Domain"</span><span style="color: #007700">); <br />while (</span><span style="color: #0000BB">$obj </span><span style="color: #007700">= </span><span style="color: #0000BB">$domainObject</span><span style="color: #007700">-></span><span style="color: #0000BB">Next</span><span style="color: #007700">()) { <br /> echo </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">Name </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br />"</span><span style="color: #007700">; <br />} <br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #3 foreach in PHP 5</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php <br />$domainObject </span><span style="color: #007700">= new </span><span style="color: #0000BB">COM</span><span style="color: #007700">(</span><span style="color: #DD0000">"WinNT://Domain"</span><span style="color: #007700">); <br />foreach (</span><span style="color: #0000BB">$domainObject </span><span style="color: #007700">as </span><span style="color: #0000BB">$obj</span><span style="color: #007700">) { <br /> echo </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">Name </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br />"</span><span style="color: #007700">; <br />} <br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="com.error-handling.html">Errors and error handling</a></div> <div class="next" style="text-align: right; float: right;"><a href="com.examples.arrays.html">Arrays and Array-style COM properties</a></div> <div class="up"><a href="book.com.html">COM</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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