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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>Creates an empty copy of a relation with default indices</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.dbplus-rcrtexact.html">dbplus_rcrtexact</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dbplus-resolve.html">dbplus_resolve</a></div> <div class="up"><a href="ref.dbplus.html">DB++ Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.dbplus-rcrtlike" class="refentry"> <div class="refnamediv"> <h1 class="refname">dbplus_rcrtlike</h1> <p class="verinfo">(PHP 4 >= 4.0.7, PECL dbplus:0.9)</p><p class="refpurpose"><span class="refname">dbplus_rcrtlike</span> — <span class="dc-title">Creates an empty copy of a relation with default indices</span></p> </div> <div class="refsect1 description"> <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>dbplus_rcrtlike</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span> , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$relation</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$overwrite</tt></span> ] )</div> <p class="para rdfs-comment"> <a href="function.dbplus-rcrtexact.html" class="function">dbplus_rcrtexact()</a> will create an empty copy of the given <i><tt class="parameter">relation</tt></i> under a new <i><tt class="parameter">name</tt></i>, but with default indices. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">name</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">relation</tt></i></span> <dd> <p class="para"> The copied relation, opened by <a href="function.dbplus-open.html" class="function">dbplus_open()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">overwrite</tt></i></span> <dd> <p class="para"> An existing relation by the same <i><tt class="parameter">name</tt></i> will only be overwritten if this parameter is set to <b><tt>TRUE</tt></b> and no other process is currently using the relation. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns resource on success or <b><tt>DBPLUS_ERR_UNKNOWN</tt></b> on failure. </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <div class="warning"><b class="warning">Warning</b><p class="simpara">This function is<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this function, its name, andsurrounding documentation may change without notice in a future release of PHP.This function should be used at your own risk.</p></div> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.dbplus-rcrtexact.html">dbplus_rcrtexact</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dbplus-resolve.html">dbplus_resolve</a></div> <div class="up"><a href="ref.dbplus.html">DB++ 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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