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145 lines
5.7 KiB
HTML
145 lines
5.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Opens a database</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.dbase-open" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">dbase_open</h1>
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<p class="verinfo">(PHP 5 < 5.3.0, dbase 5, dbase 7)</p><p class="refpurpose"><span class="refname">dbase_open</span> — <span class="dc-title">Opens a database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.dbase-open-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>dbase_open</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>dbase_open()</strong></span> opens a dBase database with the given
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access mode.
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">当启用
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<a href="features.safe_mode.html" class="link">安全模式</a>时，
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PHP 会检查被操作的文件或目录是否与被执行的脚本有相同的 UID（所有者）。</span></p></blockquote>
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<blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">此函数受
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<a href="ini.core.html#ini.open-basedir" class="link">open_basedir</a> 影响。</p></p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.dbase-open-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">filename</code></dt>
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<dd>
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<p class="para">
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The name of the database. It can be a relative or absolute path to
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the file where dBase will store your data.
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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An integer which correspond to those for the <strong class="command">open()</strong>
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system call (Typically 0 means read-only, 1 means write-only, and 2
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means read and write).
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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You can't open a dBase file in write-only mode as the function will
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fail to read the headers information and thus you can't use 1 as
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<code class="parameter">mode</code>.
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</p>
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</p></blockquote>
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<p class="para">
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As of dbase 7.0.0 you can use <strong><code>DBASE_RDONLY</code></strong>
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and <strong><code>DBASE_RDWR</code></strong>, respectively, to specify the
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<code class="parameter">mode</code>.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.dbase-open-changelog">
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<h3 class="title">更新日志</h3>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>dbase 7.0.0</td>
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<td>
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The return value is now a <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> instead of an
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<span class="type"><a href="language.types.integer.html" class="type int">int</a></span>.
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="refsect1 examples" id="refsect1-function.dbase-open-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-1191">
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<p><strong>Example #1 Opening a dBase database file</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// open in read-only mode<br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #0000BB">dbase_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'/tmp/test.dbf'</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$db</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// read some data ..<br /> <br /> </span><span style="color: #0000BB">dbase_close</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>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.dbase-open-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns a database link identifier if the database is successfully opened,
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or <strong><code>FALSE</code></strong> if an error occurred.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.dbase-open-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="dbase_create.html" class="function" rel="rdfs-seeAlso">dbase_create()</a> - Creates a database</span></li>
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<li class="member"><span class="function"><a href="dbase_close.html" class="function" rel="rdfs-seeAlso">dbase_close()</a> - Closes a database</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |