📄 function.chunk-split.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>Split a string into smaller chunks</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.chr.html">chr</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.convert-cyr-string.html">convert_cyr_string</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.chunk-split" class="refentry"> <div class="refnamediv"> <h1 class="refname">chunk_split</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">chunk_split</span> — <span class="dc-title">Split a string into smaller chunks</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>chunk_split</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$body</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$chunklen</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$end</tt></span> ]] )</div> <p class="para rdfs-comment"> Can be used to split a string into smaller chunks which is useful for e.g. converting <a href="function.base64-encode.html" class="function">base64_encode()</a> output to match RFC 2045 semantics. It inserts <i><tt class="parameter">end</tt></i> every <i><tt class="parameter">chunklen</tt></i> characters. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">body</tt></i></span> <dd> <p class="para"> The string to be chunked. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">chunklen</tt></i></span> <dd> <p class="para"> The chunk length. Defaults to 76. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">end</tt></i></span> <dd> <p class="para"> The line ending sequence. Defaults to "\r\n". </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the chunked string. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>chunk_split()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// format $data using RFC 2045 semantics<br /></span><span style="color: #0000BB">$new_string </span><span style="color: #007700">= </span><span style="color: #0000BB">chunk_split</span><span style="color: #007700">(</span><span style="color: #0000BB">base64_encode</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</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.str-split.html" class="function" rel="rdfs-seeAlso">str_split()</a></li> <li class="member"><a href="function.explode.html" class="function" rel="rdfs-seeAlso">explode()</a></li> <li class="member"><a href="function.split.html" class="function" rel="rdfs-seeAlso">split()</a></li> <li class="member"><a href="function.wordwrap.html" class="function" rel="rdfs-seeAlso">wordwrap()</a></li> <li class="member"><a href="http://www.faqs.org/rfcs/rfc2045" class="link external">» RFC 2045</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.chr.html">chr</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.convert-cyr-string.html">convert_cyr_string</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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