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<title>Join array elements with a string</title>
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</div><hr /><div id="function.implode" class="refentry">
<div class="refnamediv">
<h1 class="refname">implode</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</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">$pieces</code></span>
)</div>
<p class="para rdfs-comment">
Join array elements with a <code class="parameter">glue</code> string.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
<span class="function"><strong>implode()</strong></span> can, for historical reasons, accept
its parameters in either order. For consistency with
<span class="function"><a href="function.explode.html" class="function">explode()</a></span>, however, it may be less confusing
to use the documented order of arguments.
</p>
</p></blockquote>
</div>
<div class="refsect1 parameters" id="refsect1-function.implode-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">glue</code></dt>
<dd>
<p class="para">
Defaults to an empty string.
</p>
</dd>
<dt>
<code class="parameter">pieces</code></dt>
<dd>
<p class="para">
The array of strings to implode.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.implode-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns a string containing a string representation of all the array
elements in the same order, with the glue string between each element.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.implode-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-6044">
<p><strong>Example #1 <span class="function"><strong>implode()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$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 a 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>
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