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<title>Sets the regular expression flags.</title>
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<div class="refnamediv">
<h1 class="refname">RegexIterator::setPregFlags</h1>
<p class="verinfo">(PHP 5 >= 5.2.0)</p><p class="refpurpose"><span class="refname">RegexIterator::setPregFlags</span> — <span class="dc-title">Sets the regular expression flags.</span></p>
</div>
<div class="refsect1 description" id="refsect1-regexiterator.setpregflags-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::setPregFlags</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$preg_flags</code></span>
)</div>
<p class="para rdfs-comment">
Sets the regular expression flags.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-regexiterator.setpregflags-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">preg_flags</code></em></span>
<dd>
<p class="para">
The regular expression flags. See <span class="methodname"><a href="regexiterator.construct.html" class="methodname">RegexIterator::__construct()</a></span>
for an overview of available flags.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-regexiterator.setpregflags-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-regexiterator.setpregflags-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="regexiterator.setpregflags.example.basic">
<p><strong>Example #1 <span class="function"><strong>RegexIterator::setPregFlags()</strong></span> example</strong></p>
<div class="example-contents"><p>
Creates a new RegexIterator that filters all entries with where the array key starts with 'test'.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$test </span><span style="color: #007700">= array (</span><span style="color: #DD0000">'test 1'</span><span style="color: #007700">, </span><span style="color: #DD0000">'another test'</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">, </span><span style="color: #0000BB">RegexIterator</span><span style="color: #007700">::</span><span style="color: #0000BB">GET_MATCH</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$regexIterator</span><span style="color: #007700">-></span><span style="color: #0000BB">setPregFlags</span><span style="color: #007700">(</span><span style="color: #0000BB">PREG_OFFSET_CAPTURE</span><span style="color: #007700">);<br /><br />foreach (</span><span style="color: #0000BB">$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 /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$value</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
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
array(1) {
[0]=>
array(2) {
[0]=>
string(4) "test"
[1]=>
int(0)
}
}
array(1) {
[0]=>
array(2) {
[0]=>
string(4) "test"
[1]=>
int(0)
}
}
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-regexiterator.setpregflags-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="regexiterator.getpregflags.html" class="methodname" rel="rdfs-seeAlso">RegexIterator::getPregFlags()</a> - Returns the regular expression flags.</span></li>
</ul>
</p>
</div>
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