<!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>Uppercase the first character of each word in a string</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.ucfirst.html">ucfirst</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.vfprintf.html">vfprintf</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.ucwords" class="refentry">
<div class="refnamediv">
<h1 class="refname">ucwords</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ucwords</span> — <span class="dc-title">Uppercase the first character of each word in a string</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ucwords-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>ucwords</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
[, <span class="methodparam">
<span class="type">string</span> <code class="parameter">$delimiters</code><span class="initializer"> = " \t\r\n\f\v"</span>
</span>
] )</div>
<p class="para rdfs-comment">
Returns a string with the first character of each word in
<code class="parameter">str</code> capitalized, if that character is alphabetic.
</p>
<p class="para">
The definition of a word is any string of characters that is immediately
after any character listed in the <code class="parameter">delimiters</code> parameter
(By default these are: space, form-feed, newline, carriage return, horizontal tab, and vertical tab).
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ucwords-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">str</code></dt>
<dd>
<p class="para">
The input string.
</p>
</dd>
<dt>
<code class="parameter">delimiters</code></dt>
<dd>
<p class="para">
The optional <code class="parameter">delimiters</code> contains the word separator characters.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ucwords-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the modified string.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.ucwords-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>5.4.32, 5.5.16</td>
<td>
Added the <code class="parameter">delimiters</code> parameter.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ucwords-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-6133">
<p><strong>Example #1 <span class="function"><strong>ucwords()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'hello world!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$foo </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello World!<br /><br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #DD0000">'HELLO WORLD!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$bar</span><span style="color: #007700">); </span><span style="color: #FF8000">// HELLO WORLD!<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">strtolower</span><span style="color: #007700">(</span><span style="color: #0000BB">$bar</span><span style="color: #007700">)); </span><span style="color: #FF8000">// Hello World!<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-6134">
<p><strong>Example #2 <span class="function"><strong>ucwords()</strong></span> example with custom delimiter</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'hello|world!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello|world!<br /><br /></span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">, </span><span style="color: #DD0000">"|"</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello|World!<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.ucwords-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.ucwords-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.strtoupper.html" class="function" rel="rdfs-seeAlso">strtoupper()</a> - Make a string uppercase</span></li>
<li class="member"><span class="function"><a href="function.strtolower.html" class="function" rel="rdfs-seeAlso">strtolower()</a> - Make a string lowercase</span></li>
<li class="member"><span class="function"><a href="function.ucfirst.html" class="function" rel="rdfs-seeAlso">ucfirst()</a> - Make a string's first character uppercase</span></li>
<li class="member"><span class="function"><a href="function.mb-convert-case.html" class="function" rel="rdfs-seeAlso">mb_convert_case()</a> - Perform case folding on a 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.ucfirst.html">ucfirst</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.vfprintf.html">vfprintf</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>
