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208 lines
8.6 KiB
HTML
208 lines
8.6 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 connection to 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.ibase-connect" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ibase_connect</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ibase_connect</span> — <span class="dc-title">Open a connection to a database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ibase-connect-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_connect</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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Establishes a connection to an Firebird/InterBase server.
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</p>
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<p class="para">
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In case a second call is made to <span class="function"><strong>ibase_connect()</strong></span> with
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the same arguments, no new link will be established, but instead, the link
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identifier of the already opened link will be returned. The link to the
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server will be closed as soon as the execution of the script ends, unless
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it's closed earlier by explicitly calling <span class="function"><a href="ibase_close.html" class="function">ibase_close()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ibase-connect-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/port:'
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(TCP/IP with interbase server on custom TCP port), '//hostname/'
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(NetBEUI), 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.
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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-connect-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 Firebird/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 errors" id="refsect1-function.ibase-connect-errors">
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<h3 class="title">错误／异常</h3>
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<p class="para">
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If you get some error like "arithmetic exception, numeric overflow, or
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string truncation. Cannot transliterate character between character sets"
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(this occurs when you try use some character with accents) when using this
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and after <span class="function"><a href="ibase_query.html" class="function">ibase_query()</a></span> you must set the character set
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(i.e. ISO8859_1 or your current character set).
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ibase-connect-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-1196">
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<p><strong>Example #1 <span class="function"><strong>ibase_connect()</strong></span> example</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 />$host </span><span style="color: #007700">= </span><span style="color: #DD0000">'localhost:/path/to/your.gdb'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$dbh </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$host</span><span style="color: #007700">, </span><span style="color: #0000BB">$username</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT * FROM tblname'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$sth </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbh</span><span style="color: #007700">, </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$sth</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">email</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">ibase_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$sth</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ibase_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbh</span><span style="color: #007700">);<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 seealso" id="refsect1-function.ibase-connect-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_pconnect.html" class="function" rel="rdfs-seeAlso">ibase_pconnect()</a> - Open a persistent connection to an InterBase database</span></li>
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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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</ul>
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</p>
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</div>
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</div></div></div></body></html> |