uTools-Manuals/docs/php/ingres_escape_string.html
2019-04-28 19:00:34 +08:00

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<title>Escape special characters for use in a query</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.ingres-escape-string" class="refentry">
<div class="refnamediv">
<h1 class="refname">ingres_escape_string</h1>
<p class="verinfo">(PECL ingres &gt;= 2.1.0)</p><p class="refpurpose"><span class="refname">ingres_escape_string</span> &mdash; <span class="dc-title">Escape special characters for use in a query</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ingres-escape-string-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>ingres_escape_string</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$source_string</code></span>
) : <span class="type">string</span></div>
<p class="para rdfs-comment">
<span class="function"><strong>ingres_escape_string()</strong></span> is used to escape certain
characters within a string before it is sent to the database server.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ingres-escape-string-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">link</code></dt>
<dd>
<p class="para">
The connection link identifier
</p>
</dd>
<dt>
<code class="parameter">source_string</code></dt>
<dd>
<p class="para">
The source string to be parsed
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ingres-escape-string-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns a string containing the escaped data.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ingres-escape-string-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-1303">
<p><strong>Example #1 Escape special characters for use in a query</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ingres_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$user</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$last_name&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"O'Connor"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"select&nbsp;*&nbsp;from&nbsp;user_profile&nbsp;where&nbsp;up_last&nbsp;=&nbsp;'%s'"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">ingres_escape_string</span><span style="color: #007700">(&nbsp;</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$last_name</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ingres_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /><br />while&nbsp;(</span><span style="color: #0000BB">$user&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ingres_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">))<br />{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$user</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">up_first&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">'&lt;BR/&gt;'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">ingres_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">ingres_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ingres-escape-string-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="ingres_query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a> - Send an SQL query to Ingres</span></li>
</ul>
</p>
</div>
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