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  <title>Embeds binary IPTC data into a JPEG image</title>

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</div><hr /><div id="function.iptcembed" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">iptcembed</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">iptcembed</span> &mdash; <span class="dc-title">Embeds binary IPTC data into a JPEG image</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.iptcembed-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>iptcembed</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$iptcdata</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$jpeg_file_name</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$spool</code></span>
  ] )</div>

  <p class="para rdfs-comment">
   Embeds binary IPTC data into a JPEG image.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.iptcembed-parameters">
  <h3 class="title">Parameters</h3>
  <p class="para">
   <dl>

    <dt>

     <span class="term"><em><code class="parameter">iptcdata</code></em></span>
     <dd>

      <p class="para">
       The data to be written.
      </p>
     </dd>

    </dt>

    <dt>

     <span class="term"><em><code class="parameter">jpeg_file_name</code></em></span>
     <dd>

      <p class="para">
       Path to the JPEG image.
      </p>
     </dd>

    </dt>

    <dt>

     <span class="term"><em><code class="parameter">spool</code></em></span>
     <dd>

      <p class="para">
       Spool flag. If the spool flag is over 2 then the JPEG will be 
       returned as a string.
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.iptcembed-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   If success and spool flag is lower than 2 then the JPEG will not be 
   returned as a string, <strong><code>FALSE</code></strong> on errors.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.iptcembed-examples">
  <h3 class="title">Examples</h3>
  <div class="example" id="example-3294">
   <p><strong>Example #1 Embedding IPTC data into a JPEG</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;iptc_make_tag()&nbsp;function&nbsp;by&nbsp;Thies&nbsp;C.&nbsp;Arntzen<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">iptc_make_tag</span><span style="color: #007700">(</span><span style="color: #0000BB">$rec</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$data</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$value</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$retval&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">0x1C</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">$rec</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;if(</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">0x8000</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$retval&nbsp;</span><span style="color: #007700">.=&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&gt;&gt;&nbsp;</span><span style="color: #0000BB">8</span><span style="color: #007700">)&nbsp;.&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&amp;&nbsp;</span><span style="color: #0000BB">0xFF</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;else<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$retval&nbsp;</span><span style="color: #007700">.=&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">0x80</span><span style="color: #007700">)&nbsp;.&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">0x04</span><span style="color: #007700">)&nbsp;.&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">((</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&gt;&gt;&nbsp;</span><span style="color: #0000BB">24</span><span style="color: #007700">)&nbsp;&amp;&nbsp;</span><span style="color: #0000BB">0xFF</span><span style="color: #007700">)&nbsp;.&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">((</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&gt;&gt;&nbsp;</span><span style="color: #0000BB">16</span><span style="color: #007700">)&nbsp;&amp;&nbsp;</span><span style="color: #0000BB">0xFF</span><span style="color: #007700">)&nbsp;.&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">((</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&gt;&gt;&nbsp;</span><span style="color: #0000BB">8</span><span style="color: #007700">)&nbsp;&amp;&nbsp;</span><span style="color: #0000BB">0xFF</span><span style="color: #007700">)&nbsp;.&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">chr</span><span style="color: #007700">(</span><span style="color: #0000BB">$length&nbsp;</span><span style="color: #007700">&amp;&nbsp;</span><span style="color: #0000BB">0xFF</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$retval&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Path&nbsp;to&nbsp;jpeg&nbsp;file<br /></span><span style="color: #0000BB">$path&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'./phplogo.jpg'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;We&nbsp;need&nbsp;to&nbsp;check&nbsp;if&nbsp;theres&nbsp;any&nbsp;IPTC&nbsp;data&nbsp;in&nbsp;the&nbsp;jpeg&nbsp;image.&nbsp;If&nbsp;there&nbsp;is&nbsp;then&nbsp;<br />//&nbsp;bail&nbsp;out&nbsp;because&nbsp;we&nbsp;cannot&nbsp;embed&nbsp;any&nbsp;image&nbsp;that&nbsp;already&nbsp;has&nbsp;some&nbsp;IPTC&nbsp;data!<br /></span><span style="color: #0000BB">$image&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">getimagesize</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /><br />if(isset(</span><span style="color: #0000BB">$info</span><span style="color: #007700">[</span><span style="color: #DD0000">'APP13'</span><span style="color: #007700">]))<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;die(</span><span style="color: #DD0000">'Error:&nbsp;IPTC&nbsp;data&nbsp;found&nbsp;in&nbsp;source&nbsp;image,&nbsp;cannot&nbsp;continue'</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Set&nbsp;the&nbsp;IPTC&nbsp;tags<br /></span><span style="color: #0000BB">$iptc&nbsp;</span><span style="color: #007700">=&nbsp;array(<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'2#120'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">'Test&nbsp;image'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'2#116'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">'Copyright&nbsp;2008-2009,&nbsp;The&nbsp;PHP&nbsp;Group'<br /></span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Convert&nbsp;the&nbsp;IPTC&nbsp;tags&nbsp;into&nbsp;binary&nbsp;code<br /></span><span style="color: #0000BB">$data&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">''</span><span style="color: #007700">;<br /><br />foreach(</span><span style="color: #0000BB">$iptc&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$tag&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">$string</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$tag&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">substr</span><span style="color: #007700">(</span><span style="color: #0000BB">$tag</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$data&nbsp;</span><span style="color: #007700">.=&nbsp;</span><span style="color: #0000BB">iptc_make_tag</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$tag</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$string</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Embed&nbsp;the&nbsp;IPTC&nbsp;data<br /></span><span style="color: #0000BB">$content&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">iptcembed</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Write&nbsp;the&nbsp;new&nbsp;image&nbsp;data&nbsp;out&nbsp;to&nbsp;the&nbsp;file.<br /></span><span style="color: #0000BB">$fp&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"wb"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$content</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.iptcembed-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">This function does not require the GD image library.</p></p></blockquote>
 </div>


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