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  <title>Set a read lock on the given OID</title>

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</div><hr /><div id="function.cubrid-lock-read" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">cubrid_lock_read</h1>
  <p class="verinfo">(PECL CUBRID &gt;= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_lock_read</span> &mdash; <span class="dc-title">Set a read lock on the given OID</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.cubrid-lock-read-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>cubrid_lock_read</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>  
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$oid</code></span>  
   )</div>

  <p class="para rdfs-comment">
    The  <span class="function"><strong>cubrid_lock_read()</strong></span> function is used to put read
    lock on the instance pointed by given <em><code class="parameter">oid</code></em>.
  </p>
 </div>


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

   <dt>

    <span class="term"><em><code class="parameter">conn_identifier</code></em></span>
    <dd>
<p class="para">Connection identifier.</p></dd>

   </dt>

   <dt>

  <span class="term"><em><code class="parameter">oid</code></em></span>
  <dd>
<p class="para">OID of the instance that you want to put read lock on.</p></dd>

   </dt>

  </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.cubrid-lock-read-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
    <strong><code>TRUE</code></strong>, when process is successful.
  </p>
  <p class="para">
    <strong><code>FALSE</code></strong>, when process is unsuccessful.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.cubrid-lock-read-examples">
  <h3 class="title">Examples</h3>
  <div class="example" id="example-1043">
   <p><strong>Example #1  <span class="function"><strong>cubrid_lock_read()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">33000</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"dba"</span><span style="color: #007700">);<br /><br />@</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;foo"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"CREATE&nbsp;TABLE&nbsp;foo(a&nbsp;int&nbsp;AUTO_INCREMENT,&nbsp;b&nbsp;set(int),&nbsp;c&nbsp;list(int),&nbsp;d&nbsp;char(10))"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;foo(a,&nbsp;b,&nbsp;c,&nbsp;d)&nbsp;VALUES(1,&nbsp;{1,2,3},&nbsp;{11,22,33,333},&nbsp;'a')"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;foo(a,&nbsp;b,&nbsp;c,&nbsp;d)&nbsp;VALUES(2,&nbsp;{4,5,7},&nbsp;{44,55,66,666},&nbsp;'b')"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"SELECT&nbsp;*&nbsp;FROM&nbsp;foo"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">CUBRID_INCLUDE_OID</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_move_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">CUBRID_CURSOR_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_current_oid</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_lock_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$attr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$oid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"b"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$attr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

<div class="example-contents"><p>The above example will output:</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
string(9) &quot;{1, 2, 3}&quot;
array(4) {
  [&quot;a&quot;]=&gt;
  string(1) &quot;1&quot;
  [&quot;b&quot;]=&gt;
  array(3) {
    [0]=&gt;
    string(1) &quot;1&quot;
    [1]=&gt;
    string(1) &quot;2&quot;
    [2]=&gt;
    string(1) &quot;3&quot;
  }
  [&quot;c&quot;]=&gt;
  array(4) {
    [0]=&gt;
    string(2) &quot;11&quot;
    [1]=&gt;
    string(2) &quot;22&quot;
    [2]=&gt;
    string(2) &quot;33&quot;
    [3]=&gt;
    string(3) &quot;333&quot;
  }
  [&quot;d&quot;]=&gt;
  string(10) &quot;a         &quot;
}
</pre></div>
   </div>
  </div>
 </div>


  <div class="refsect1 seealso" id="refsect1-function.cubrid-lock-read-seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
   <li class="member"> <span class="function"><a href="function.cubrid-lock-write.html" class="function" rel="rdfs-seeAlso">cubrid_lock_write()</a> - Set a write lock on the given OID</span></li>   
   </ul>
  </p>
  </div>

 
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