function.exif-read-data.html

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     <span class="term"><i><tt class="parameter">arrays</tt></i>
</span>

      <dd>

      <p class="para">
       Specifies whether or not each section becomes an array. The 
       <i><tt class="parameter">sections</tt></i>
 <i>COMPUTED</i>,
       <i>THUMBNAIL</i>, and <i>COMMENT</i> 
       always become arrays as they may contain values whose names conflict
       with other sections.
      </p>
     </dd>

    </dt>

    <dt>

     <span class="term"><i><tt class="parameter">thumbnail</tt></i>
</span>

     <dd>

      <p class="para">
       When set to <b><tt>TRUE</tt></b> the thumbnail itself is read.  Otherwise, only the
       tagged data is read.
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>
    
 <div class="refsect1 returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   It returns an associative <a href="language.types.array.html" class="type array">array</a> where the array indexes are 
   the header names and the array values are the values associated with 
   those headers. If no data can be returned, 
   <b>exif_read_data()</b> will return <b><tt>FALSE</tt></b>.
  </p>
 </div>

 <div class="refsect1 changelog">
  <h3 class="title">ChangeLog</h3>
  <p class="para">
   <table class="informaltable">
    <colgroup>

     <thead valign="middle">
      <tr valign="middle">
       <th colspan="1">Version</th>
       <th colspan="1">Description</th>
      </tr>

     </thead>

     <tbody valign="middle" class="tbody">
      <tr valign="middle">
       <td colspan="1" rowspan="1" align="left">4.3.0</td>
       <td colspan="1" rowspan="1" align="left">
        Can read all embedded <acronym title="Image File Directory">IFD</acronym> data including arrays 
        (returned as such). Also the size of an embedded thumbnail is 
        returned in a <i>THUMBNAIL</i> subarray, and can 
        return thumbnails in <acronym title="Tagged Image File Format">TIFF</acronym> format.  Also, there is 
        no longer a maximum length for returned values (not until the memory 
        limit has been reached)
       </td>
      </tr>

      <tr valign="middle">
       <td colspan="1" rowspan="1" align="left">4.3.0</td>
       <td colspan="1" rowspan="1" align="left">
        If PHP has  <a href="ref.mbstring.html" class="link">mbstring</a> support,
        the user comment can automatically change encoding.  Also, if the
        user comment uses Unicode or JIS encoding this encoding will 
        automatically be changed according to the exif ini settings in 
        <var class="filename">php.ini</var>
       </td>
      </tr>

      <tr valign="middle">
       <td colspan="1" rowspan="1" align="left">4.3.0</td>
       <td colspan="1" rowspan="1" align="left">
        If the image contains any IFD0 data then COMPUTED contains the entry
        ByteOrderMotorola which is 0 for little-endian (intel) and 1 for
        big-endian (motorola) byte order.  Also, COMPUTED and UserComment no 
        longer only contain the first copyright entry if the datatype was 
        wrong.
       </td>
      </tr>

     </tbody>
    </colgroup>

   </table>
  </p>
 </div>

 <div class="refsect1 examples">
  <h3 class="title">Examples</h3>
  <p class="para">
   <div class="example">
    <p><b>Example #1 <b>exif_read_data()</b> example</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">"test1.jpg:&lt;br&nbsp;/&gt;\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$exif&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">exif_read_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'tests/test1.jpg'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IFD0'</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">$exif</span><span style="color: #007700">===</span><span style="color: #0000BB">false&nbsp;</span><span style="color: #007700">?&nbsp;</span><span style="color: #DD0000">"No&nbsp;header&nbsp;data&nbsp;found.&lt;br&nbsp;/&gt;\n"&nbsp;</span><span style="color: #007700">:&nbsp;</span><span style="color: #DD0000">"Image&nbsp;contains&nbsp;headers&lt;br&nbsp;/&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$exif&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">exif_read_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'tests/test2.jpg'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #DD0000">"test2.jpg:&lt;br&nbsp;/&gt;\n"</span><span style="color: #007700">;<br />foreach&nbsp;(</span><span style="color: #0000BB">$exif&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$key&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">$section</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;foreach&nbsp;(</span><span style="color: #0000BB">$section&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$name&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">$val</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"$key.$name:&nbsp;$val&lt;br&nbsp;/&gt;\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>
     The first call fails because the image has no header information.
    </p></div>
    <div class="example-contents"><p>The above example will output 
something similar to:</p></div>
    <div class="example-contents"><pre>
<div class="cdata"><pre>
test1.jpg:
No header data found.
test2.jpg:
FILE.FileName: test2.jpg
FILE.FileDateTime: 1017666176
FILE.FileSize: 1240
FILE.FileType: 2
FILE.SectionsFound: ANY_TAG, IFD0, THUMBNAIL, COMMENT
COMPUTED.html: width=&quot;1&quot; height=&quot;1&quot;
COMPUTED.Height: 1
COMPUTED.Width: 1
COMPUTED.IsColor: 1
COMPUTED.ByteOrderMotorola: 1
COMPUTED.UserComment: Exif test image.
COMPUTED.UserCommentEncoding: ASCII
COMPUTED.Copyright: Photo (c) M.Boerger, Edited by M.Boerger.
COMPUTED.Copyright.Photographer: Photo (c) M.Boerger
COMPUTED.Copyright.Editor: Edited by M.Boerger.
IFD0.Copyright: Photo (c) M.Boerger
IFD0.UserComment: ASCII
THUMBNAIL.JPEGInterchangeFormat: 134
THUMBNAIL.JPEGInterchangeFormatLength: 523
COMMENT.0: Comment #1.
COMMENT.1: Comment #2.
COMMENT.2: Comment #3end
THUMBNAIL.JPEGInterchangeFormat: 134
THUMBNAIL.Thumbnail.Height: 1
THUMBNAIL.Thumbnail.Height: 1
</pre></div>
    </pre></div>
   </div>
  </p>
 </div>

 <div class="refsect1 seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><a href="function.exif-thumbnail.html" class="function" rel="rdfs-seeAlso">exif_thumbnail()</a></li>
    <li class="member"><a href="function.getimagesize.html" class="function" rel="rdfs-seeAlso">getimagesize()</a></li>
   </ul>
  </p>
 </div>

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