📄 function.dba-fetch.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>Fetch data specified by key</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.dba-exists.html">dba_exists</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dba-firstkey.html">dba_firstkey</a></div> <div class="up"><a href="ref.dba.html">DBA Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.dba-fetch" class="refentry"> <div class="refnamediv"> <h1 class="refname">dba_fetch</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">dba_fetch</span> — <span class="dc-title">Fetch data specified by key</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>dba_fetch</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$key</tt></span> , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$handle</tt></span> )</div> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>dba_fetch</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$key</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$skip</tt></span> , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$handle</tt></span> )</div> <p class="para rdfs-comment"> <b>dba_fetch()</b> fetches the data specified by <i><tt class="parameter">key</tt></i> from the database specified with <i><tt class="parameter">handle</tt></i>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">key</tt></i></span> <dd> <p class="para"> The key the data is specified by. </p> <blockquote><p><b class="note">Note</b>: When working with inifiles this function accepts arrays as keys where index 0 is the group and index 1 is the value name. See: <a href="function.dba-key-split.html" class="function">dba_key_split()</a>. <br /> </p></blockquote> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">skip</tt></i></span> <dd> <p class="para"> The number of key-value pairs to ignore when using cdb databases. This value is ignored for all other databases which do not support multiple keys with the same name. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">handle</tt></i></span> <dd> <p class="para"> The database handler, returned by <a href="function.dba-open.html" class="function">dba_open()</a> or <a href="function.dba-popen.html" class="function">dba_popen()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the associated string if the key/data pair is found, <b><tt>FALSE</tt></b> otherwise. </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">4.3</td> <td colspan="1" rowspan="1" align="left"> The <i><tt class="parameter">skip</tt></i> parameter is available to support cdb's capability of multiple keys having the same name. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.dba-exists.html" class="function" rel="rdfs-seeAlso">dba_exists()</a></li> <li class="member"><a href="function.dba-delete.html" class="function" rel="rdfs-seeAlso">dba_delete()</a></li> <li class="member"><a href="function.dba-insert.html" class="function" rel="rdfs-seeAlso">dba_insert()</a></li> <li class="member"><a href="function.dba-replace.html" class="function" rel="rdfs-seeAlso">dba_replace()</a></li> <li class="member"><a href="function.dba-key-split.html" class="function" rel="rdfs-seeAlso">dba_key_split()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.dba-exists.html">dba_exists</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.dba-firstkey.html">dba_firstkey</a></div> <div class="up"><a href="ref.dba.html">DBA 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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