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<title>Sets up a DateInterval from the relative parts of the string</title>
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<h1 class="refname">DateInterval::createFromDateString</h1>
<p class="verinfo">(PHP 5 >= 5.3.0)</p><p class="refpurpose"><span class="refname">DateInterval::createFromDateString</span> — <span class="dc-title">Sets up a DateInterval from the relative parts of the string</span></p>
</div>
<div class="refsect1 description" id="refsect1-dateinterval.createfromdatestring-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type"><a href="class.dateinterval.html" class="type DateInterval">DateInterval</a></span> <span class="methodname"><strong>DateInterval::createFromDateString</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$time</code></span>
)</div>
<p class="para rdfs-comment">
Uses the normal date parsers and sets up a DateInterval from the relative
parts of the parsed string.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-dateinterval.createfromdatestring-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">time</code></em></span>
<dd>
<p class="para">
A date with relative parts. Specifically, the
<a href="datetime.formats.relative.html" class="link">relative formats</a>
supported by the parser used for <span class="function"><a href="function.strtotime.html" class="function">strtotime()</a></span> and
<a href="class.datetime.html" class="classname">DateTime</a> will be used to construct the
DateInterval.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 examples" id="refsect1-dateinterval.createfromdatestring-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2286">
<p><strong>Example #1 Parsing valid date intervals</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Each set of intervals is equal.<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P1D'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'1 day'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P2W'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'2 weeks'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P3M'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'3 months'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P4Y'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'4 years'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P1Y1D'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'1 year + 1 day'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P1DT12H'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'1 day + 12 hours'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'PT3600S'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">::</span><span style="color: #0000BB">createFromDateString</span><span style="color: #007700">(</span><span style="color: #DD0000">'3600 seconds'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-dateinterval.createfromdatestring-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns a new <a href="class.dateinterval.html" class="classname">DateInterval</a> instance.
</p>
</div>
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