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<h1 class="refname">RegexIterator::setFlags</h1>
<p class="verinfo">(PHP 5 >= 5.2.0)</p><p class="refpurpose"><span class="refname">RegexIterator::setFlags</span> — <span class="dc-title">Sets the flags.</span></p>
</div>
<div class="refsect1 description" id="refsect1-regexiterator.setflags-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>RegexIterator::setFlags</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$flags</code></span>
)</div>
<p class="para rdfs-comment">
Sets the flags.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-regexiterator.setflags-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">flags</code></em></span>
<dd>
<p class="para">
The flags to set, a bitmask of class constants.
</p>
<p class="para">
The available flags are listed below. The actual
meanings of these flags are described in the
<a href="class.regexiterator.html#regexiterator.constants" class="link">predefined constants</a>.
<table class="doctable table">
<caption><strong><a href="class.regexiterator.html" class="classname">RegexIterator</a> flags</strong></caption>
<thead>
<tr>
<th>value</th>
<th>constant</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>1</td>
<td>
<a href="class.regexiterator.html#regexiterator.constants.use-key" class="link">RegexIterator::USE_KEY</a>
</td>
</tr>
</tbody>
</table>
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-regexiterator.setflags-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-regexiterator.setflags-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="regexiterator.setflags.example.basic">
<p><strong>Example #1 <span class="methodname"><strong>RegexIterator::setFlags()</strong></span> example</strong></p>
<div class="example-contents"><p>
Creates a new RegexIterator that filters all entries whose key starts with '<em>test</em>'.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$test </span><span style="color: #007700">= array (</span><span style="color: #DD0000">'str1' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'test 1'</span><span style="color: #007700">, </span><span style="color: #DD0000">'teststr2' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'another test'</span><span style="color: #007700">, </span><span style="color: #DD0000">'str3' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'test 123'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$arrayIterator </span><span style="color: #007700">= new </span><span style="color: #0000BB">ArrayIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$test</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$regexIterator </span><span style="color: #007700">= new </span><span style="color: #0000BB">RegexIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$arrayIterator</span><span style="color: #007700">, </span><span style="color: #DD0000">'/^test/'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$regexIterator</span><span style="color: #007700">-></span><span style="color: #0000BB">setFlags</span><span style="color: #007700">(</span><span style="color: #0000BB">RegexIterator</span><span style="color: #007700">::</span><span style="color: #0000BB">USE_KEY</span><span style="color: #007700">);<br /><br />foreach (</span><span style="color: #0000BB">$regexIterator </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=> </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$key </span><span style="color: #007700">. </span><span style="color: #DD0000">' => ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$value </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
teststr2 => another test
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-regexiterator.setflags-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="regexiterator.getflags.html" class="methodname" rel="rdfs-seeAlso">RegexIterator::getFlags()</a> - Get flags</span></li>
</ul>
</p>
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