function.dbase-pack.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>Packs a database</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.dbase-open.html">dbase_open</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dbase-replace-record.html">dbase_replace_record</a></div> <div class="up"><a href="ref.dbase.html">dBase Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.dbase-pack" class="refentry"> <div class="refnamediv"> <h1 class="refname">dbase_pack</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">dbase_pack</span> — <span class="dc-title">Packs a database</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>dbase_pack</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$dbase_identifier</tt></span> )</div> <p class="para rdfs-comment"> Packs the specified database by permanently deleting all records marked for deletion using <a href="function.dbase-delete-record.html" class="function">dbase_delete_record()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">dbase_identifier</tt></i></span> <dd> <p class="para"> The database link identifier, returned by <a href="function.dbase-open.html" class="function">dbase_open()</a> or <a href="function.dbase-create.html" class="function">dbase_create()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Emptying a dBase database</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// open in read-write mode<br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #0000BB">dbase_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'/tmp/test.dbf'</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$db</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$record_numbers </span><span style="color: #007700">= </span><span style="color: #0000BB">dbase_numrecords</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /> for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700"><= </span><span style="color: #0000BB">$record_numbers</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> </span><span style="color: #0000BB">dbase_delete_record</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> }<br /> </span><span style="color: #FF8000">// expunge the database<br /> </span><span style="color: #0000BB">dbase_pack</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.dbase-delete-record.html" class="function" rel="rdfs-seeAlso">dbase_delete_record()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.dbase-open.html">dbase_open</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dbase-replace-record.html">dbase_replace_record</a></div> <div class="up"><a href="ref.dbase.html">dBase 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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