function.chr.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>Return a specific character</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.chop.html">chop</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.chunk-split.html">chunk_split</a></div> <div class="up"><a href="ref.strings.html">String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.chr" class="refentry"> <div class="refnamediv"> <h1 class="refname">chr</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">chr</span> — <span class="dc-title">Return a specific character</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>chr</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$ascii</tt></span> )</div> <p class="para rdfs-comment"> Returns a one-character string containing the character specified by <i><tt class="parameter">ascii</tt></i>. </p> <p class="para"> This function complements <a href="function.ord.html" class="function">ord()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">ascii</tt></i></span> <dd> <p class="para"> The ascii code. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the specified character. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">6.0.0</td> <td colspan="1" rowspan="1" align="left"> This function now uses codepoint as input. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>chr()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$str </span><span style="color: #007700">= </span><span style="color: #DD0000">"The string ends in escape: "</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$str </span><span style="color: #007700">.= </span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">27</span><span style="color: #007700">); </span><span style="color: #FF8000">/* add an escape character at the end of $str */<br /><br />/* Often this is more useful */<br /><br /></span><span style="color: #0000BB">$str </span><span style="color: #007700">= </span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"The string ends in escape: %c"</span><span style="color: #007700">, </span><span style="color: #0000BB">27</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </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.sprintf.html" class="function" rel="rdfs-seeAlso">sprintf()</a> with a format string of <i>%c</i></li> <li class="member"><a href="function.ord.html" class="function">ord()</a></li> <li class="member">An <a href="http://www.asciitable.com" class="link external">» ASCII-table</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.chop.html">chop</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.chunk-split.html">chunk_split</a></div> <div class="up"><a href="ref.strings.html">String 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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