function.db2-escape-string.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Used to escape certain characters</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-cursor-type.html">db2_cursor_type</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-exec.html">db2_exec</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.db2-escape-string" class="refentry"> <div class="refnamediv"> <h1 class="refname">db2_escape_string</h1> <p class="verinfo">(PECL ibm_db2:1.6.0-1.6.2)</p><p class="refpurpose"><span class="refname">db2_escape_string</span> — <span class="dc-title"> Used to escape certain characters </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>db2_escape_string</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$string_literal</tt></span> )</div> <p class="para rdfs-comment"> Prepends backslashes to special characters in the string argument. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">string_literal</tt></i></span> <dd> <p class="para"> The string that contains special characters that need to be modified. Characters that are prepended with a backslash are <i>\x00</i>, <i>\n</i>, <i>\r</i>, <i>\</i>, <i>'</i>, <i>"</i> and <i>\x1a</i>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <i><tt class="parameter">string_literal</tt></i> with the special characters noted above prepended with backslashes. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>db2_escape_string()</b> example</b></p> <div class="example-contents"><p> Result of using the <b>db2_escape_string()</b> function </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$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></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>db2_escape_string: All characters: \0 , \n , \r , \\ , \' , \" , \Z .db2_escape_string: Backslash (\\). Single quote (\'). Double quote (\")db2_escape_string: The NULL character \0 must be quoted as welldb2_escape_string: Intersting characters: \Z , \0 .db2_escape_string: Nothing to quotedb2_escape_string: 200676db2_escape_string:</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.db2-prepare.html" class="function" rel="rdfs-seeAlso">db2_prepare()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-cursor-type.html">db2_cursor_type</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-exec.html">db2_exec</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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