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188 lines
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HTML
188 lines
6.0 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>Open a persistent connection to an InterBase 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.ibase-pconnect" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ibase_pconnect</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ibase_pconnect</span> — <span class="dc-title">Open a persistent connection to an InterBase database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ibase-pconnect-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>ibase_pconnect</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$database</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$charset</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$buffers</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dialect</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$role</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$sync</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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Opens a persistent connection to an InterBase database.
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</p>
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<p class="para">
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<span class="function"><strong>ibase_pconnect()</strong></span> acts very much like
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<span class="function"><a href="ibase_connect.html" class="function">ibase_connect()</a></span> with two major differences.
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</p>
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<p class="para">
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First, when connecting, the function will first try to find a (persistent)
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link that's already opened with the same parameters. If one is found, an
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identifier for it will be returned instead of opening a new connection.
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</p>
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<p class="para">
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Second, the connection to the InterBase server will not be closed when the
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execution of the script ends. Instead, the link will remain open for
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future use (<span class="function"><a href="ibase_close.html" class="function">ibase_close()</a></span> will not close links
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established by <span class="function"><strong>ibase_pconnect()</strong></span>). This type of link is
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therefore called 'persistent'.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ibase-pconnect-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">database</code></dt>
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<dd>
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<p class="para">
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The <code class="parameter">database</code> argument has to be a valid path to
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database file on the server it resides on. If the server is not local,
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it must be prefixed with either 'hostname:' (TCP/IP), '//hostname/'
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(NetBEUI) or 'hostname@' (IPX/SPX), depending on the connection
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protocol used.
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</p>
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</dd>
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<dt>
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<code class="parameter">username</code></dt>
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<dd>
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<p class="para">
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The user name. Can be set with the
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<em>ibase.default_user</em> <var class="filename">php.ini</var> directive.
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</p>
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</dd>
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<dt>
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<code class="parameter">password</code></dt>
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<dd>
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<p class="para">
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The password for <code class="parameter">username</code>. Can be set with the
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<em>ibase.default_password</em> <var class="filename">php.ini</var> directive.
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</p>
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</dd>
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<dt>
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<code class="parameter">charset</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">charset</code> is the default character set for a
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database.
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</p>
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</dd>
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<dt>
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<code class="parameter">buffers</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">buffers</code> is the number of database buffers to
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allocate for the server-side cache. If 0 or omitted, server chooses
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its own default.
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</p>
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</dd>
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<dt>
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<code class="parameter">dialect</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">dialect</code> selects the default SQL dialect for any
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statement executed within a connection, and it defaults to the highest
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one supported by client libraries. Functional only with InterBase 6
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and up.
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</p>
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</dd>
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<dt>
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<code class="parameter">role</code></dt>
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<dd>
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<p class="para">
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Functional only with InterBase 5 and up.
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</p>
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</dd>
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<dt>
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<code class="parameter">sync</code></dt>
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<dd>
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<p class="para">
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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 returnvalues" id="refsect1-function.ibase-pconnect-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an InterBase link identifier on success, or <strong><code>FALSE</code></strong> on error.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ibase-pconnect-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="ibase_close.html" class="function" rel="rdfs-seeAlso">ibase_close()</a> - Close a connection to an InterBase database</span></li>
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<li class="member"><span class="function"><a href="ibase_connect.html" class="function" rel="rdfs-seeAlso">ibase_connect()</a> - Open a connection to 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> |