<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Join array elements with a string</title> </head> <body><div class="manualnavbar" 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" id="refsect1-function.implode-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><strong>implode</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$glue</code></span> , <span class="methodparam"><span class="type">array</span> <code class="parameter">$pieces</code></span> )</div> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><strong>implode</strong></span> ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$pieces</code></span> )</div> <p class="para rdfs-comment"> Join array elements with a <em><code class="parameter">glue</code></em> string. </p> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> <span class="function"><strong>implode()</strong></span> can, for historical reasons, accept its parameters in either order. For consistency with <span class="function"><a href="function.explode.html" class="function">explode()</a></span>, however, it may be less confusing to use the documented order of arguments. </p> </p></blockquote> </div> <div class="refsect1 parameters" id="refsect1-function.implode-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">glue</code></em></span> <dd> <p class="para"> Defaults to an empty string. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">pieces</code></em></span> <dd> <p class="para"> The array of strings to implode. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.implode-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" id="refsect1-function.implode-changelog"> <h3 class="title">Changelog</h3> <p class="para"> <table class="doctable informaltable"> <thead> <tr> <th>Version</th> <th>Description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>4.3.0</td> <td> The <em><code class="parameter">glue</code></em> parameter became optional. </td> </tr> </tbody> </table> </p> </div> <div class="refsect1 examples" id="refsect1-function.implode-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-4840"> <p><strong>Example #1 <span class="function"><strong>implode()</strong></span> example</strong></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 />// Empty string when using an empty array:<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">'hello'</span><span style="color: #007700">, array())); </span><span style="color: #FF8000">// string(0) ""<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 notes" id="refsect1-function.implode-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">This function is binary-safe.</span></p></blockquote> </div> <div class="refsect1 seealso" id="refsect1-function.implode-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.explode.html" class="function" rel="rdfs-seeAlso">explode()</a> - Split a string by string</span></li> <li class="member"> <span class="function"><a href="function.preg-split.html" class="function" rel="rdfs-seeAlso">preg_split()</a> - Split string by a regular expression</span></li> <li class="member"> <span class="function"><a href="function.http-build-query.html" class="function" rel="rdfs-seeAlso">http_build_query()</a> - Generate URL-encoded query string</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" 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>