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<title>Get len bytes data from open blob</title>
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<div class="refnamediv">
<h1 class="refname">ibase_blob_get</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ibase_blob_get</span> — <span class="dc-title">Get len bytes data from open blob</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ibase-blob-get-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>ibase_blob_get</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$blob_handle</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$len</code></span>
)</div>
<p class="para rdfs-comment">
This function returns at most <em><code class="parameter">len</code></em> bytes from a BLOB
that has been opened for reading by <span class="function"><a href="function.ibase-blob-open.html" class="function">ibase_blob_open()</a></span>.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
It is not possible to read from a BLOB that has been opened for writing
by <span class="function"><a href="function.ibase-blob-create.html" class="function">ibase_blob_create()</a></span>.
</p>
</p></blockquote>
</div>
<div class="refsect1 parameters" id="refsect1-function.ibase-blob-get-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">blob_handle</code></em></span>
<dd>
<p class="para">
A BLOB handle opened with <span class="function"><a href="function.ibase-blob-open.html" class="function">ibase_blob_open()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">len</code></em></span>
<dd>
<p class="para">
Size of returned data.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ibase-blob-get-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns at most <em><code class="parameter">len</code></em> bytes from the BLOB, or <strong><code>FALSE</code></strong>
on failure.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ibase-blob-get-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-1104">
<p><strong>Example #1 <span class="function"><strong>ibase_blob_get()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT blob_value FROM table"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$blob_data </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_blob_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">-></span><span style="color: #0000BB">BLOB_VALUE</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$blob_hndl </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_blob_open</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">-></span><span style="color: #0000BB">BLOB_VALUE</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">ibase_blob_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$blob_hndl</span><span style="color: #007700">, </span><span style="color: #0000BB">$blob_data</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
Whilst this example doesn't do much more than a
'ibase_blob_echo($data->BLOB_VALUE)' would do, it does show you how to get
information into a $variable to manipulate as you please.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ibase-blob-get-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.ibase-blob-open.html" class="function" rel="rdfs-seeAlso">ibase_blob_open()</a> - Open blob for retrieving data parts</span></li>
<li class="member"> <span class="function"><a href="function.ibase-blob-close.html" class="function" rel="rdfs-seeAlso">ibase_blob_close()</a> - Close blob</span></li>
<li class="member"> <span class="function"><a href="function.ibase-blob-echo.html" class="function" rel="rdfs-seeAlso">ibase_blob_echo()</a> - Output blob contents to browser</span></li>
</ul>
</p>
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