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107 lines
7.0 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>Used to escape certain characters</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.db2-escape-string" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">db2_escape_string</h1>
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<p class="verinfo">(PECL ibm_db2 >= 1.6.0)</p><p class="refpurpose"><span class="refname">db2_escape_string</span> — <span class="dc-title">
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Used to escape certain characters
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.db2-escape-string-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>db2_escape_string</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$string_literal</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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Prepends backslashes to special characters in the string argument.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.db2-escape-string-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">string_literal</code></dt>
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<dd>
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<p class="para">
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The string that contains special characters that need to be modified.
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Characters that are prepended with a backslash are <em>\x00</em>,
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<em>\n</em>, <em>\r</em>, <em>\</em>,
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<em>'</em>, <em>"</em> and <em>\x1a</em>.
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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.db2-escape-string-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns <code class="parameter">string_literal</code> with the special characters
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noted above prepended with backslashes.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.db2-escape-string-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-1242">
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<p><strong>Example #1 A <span class="function"><strong>db2_escape_string()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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Result of using the <span class="function"><strong>db2_escape_string()</strong></span> function
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</p></div>
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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 />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">] = </span><span style="color: #DD0000">"All characters: \x00 , \n , \r , \ , ' , \" , \x1a ."</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">] = </span><span style="color: #DD0000">"Backslash (\). Single quote ('). Double quote (\")"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">2</span><span style="color: #007700">] = </span><span style="color: #DD0000">"The NULL character \0 must be quoted as well"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">3</span><span style="color: #007700">] = </span><span style="color: #DD0000">"Intersting characters: \x1a , \x00 ."</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">4</span><span style="color: #007700">] = </span><span style="color: #DD0000">"Nothing to quote"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">5</span><span style="color: #007700">] = </span><span style="color: #0000BB">200676</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$str</span><span style="color: #007700">[</span><span style="color: #0000BB">6</span><span style="color: #007700">] = </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /><br /> foreach( </span><span style="color: #0000BB">$str </span><span style="color: #007700">as </span><span style="color: #0000BB">$string </span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"db2_escape_string: " </span><span style="color: #007700">. </span><span style="color: #0000BB">db2_escape_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</span><span style="color: #007700">). </span><span style="color: #DD0000">"\n"</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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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db2_escape_string: All characters: \0 , \n , \r , \\ , \' , \" , \Z .
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db2_escape_string: Backslash (\\). Single quote (\'). Double quote (\")
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db2_escape_string: The NULL character \0 must be quoted as well
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db2_escape_string: Intersting characters: \Z , \0 .
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db2_escape_string: Nothing to quote
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db2_escape_string: 200676
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db2_escape_string:
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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.db2-escape-string-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="db2_prepare.html" class="function" rel="rdfs-seeAlso">db2_prepare()</a> - Prepares an SQL statement to be executed</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> |