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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>Join array elements with a string</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.htmlspecialchars.html">htmlspecialchars</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.join.html">join</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.implode" class="refentry"> <div class="refnamediv"> <h1 class="refname">implode</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">implode</span> — <span class="dc-title">Join array elements with a string</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>implode</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$glue</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter">$pieces</tt></span> )</div> <p class="para rdfs-comment"> Join array elements with a <i><tt class="parameter">glue</tt></i> string. </p> <blockquote><p><b class="note">Note</b>: <b>implode()</b> can, for historical reasons, accept its parameters in either order. For consistency with <a href="function.explode.html" class="function">explode()</a>, however, it may be less confusing to use the documented order of arguments. <br /> </p></blockquote> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">glue</tt></i></span> <dd> <p class="para"> Defaults to an empty string. This is not the preferred usage of <b>implode()</b> as <i><tt class="parameter">glue</tt></i> would be the second parameter and thus, the bad prototype would be used. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">pieces</tt></i></span> <dd> <p class="para"> The array of strings to implode. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a string containing a string representation of all the array elements in the same order, with the glue string between each element. </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">4.3.0</td> <td colspan="1" rowspan="1" align="left"> The <i><tt class="parameter">glue</tt></i> parameter became optional. </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>implode()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'lastname'</span><span style="color: #007700">, </span><span style="color: #DD0000">'email'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phone'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$comma_separated </span><span style="color: #007700">= </span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">","</span><span style="color: #007700">, </span><span style="color: #0000BB">$array</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$comma_separated</span><span style="color: #007700">; </span><span style="color: #FF8000">// lastname,email,phone<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: <span class="simpara">This function isbinary-safe.</span></p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <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> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.htmlspecialchars.html">htmlspecialchars</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.join.html">join</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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