Source of: /manual/fa/function.strncmp.php


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<div id="function.strncmp" class="refentry">

 <div class="refnamediv">

  <h1 class="refname">strncmp</h1>

  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">strncmp</span> &mdash; <span class="dc-title">Binary safe string comparison of the first n characters</span></p>



 </div>

 

 <div class="refsect1 description" id="refsect1-function.strncmp-description">

  <h3 class="title">Description</h3>

  <div class="methodsynopsis dc-description">

   <span class="type">int</span> <span class="methodname"><b>strncmp</b></span>

    ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$str1</tt></span>

   , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$str2</tt></span>

   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$len</tt></span>

   )</div>



  <p class="para rdfs-comment">

   This function is similar to <span class="function"><a href="function.strcmp.php" class="function">strcmp()</a></span>, with the

   difference that you can specify the (upper limit of the) number of

   characters from each string to be used in the comparison.

  </p>

  <p class="para">

   Note that this comparison is case sensitive.

  </p>

 </div>





 <div class="refsect1 parameters" id="refsect1-function.strncmp-parameters">

  <h3 class="title">Parameters</h3>

  <p class="para">

   <dl>



    <dt>



     <span class="term"><i><tt class="parameter">str1</tt></i></span>

     <dd>



      <p class="para">

       The first string.

      </p>

     </dd>



    </dt>



    <dt>



     <span class="term"><i><tt class="parameter">str2</tt></i></span>

     <dd>



      <p class="para">

       The second string.

      </p>

     </dd>



    </dt>



    <dt>



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

     <dd>



      <p class="para">

       Number of characters to use in the comparison.

      </p>

     </dd>



    </dt>



   </dl>



  </p>

 </div>





 <div class="refsect1 returnvalues" id="refsect1-function.strncmp-returnvalues">

  <h3 class="title">Return Values</h3>

  <p class="para">

   Returns &lt; 0 if <i><tt class="parameter">str1</tt></i> is less than

   <i><tt class="parameter">str2</tt></i>; &gt; 0 if <i><tt class="parameter">str1</tt></i>

   is greater than <i><tt class="parameter">str2</tt></i>, and 0 if they are

   equal.

  </p>

 </div>





 <div class="refsect1 seealso" id="refsect1-function.strncmp-seealso">

  <h3 class="title">See Also</h3>

  <p class="para">

   <ul class="simplelist">

    <li class="member"><span class="function"><a href="function.preg-match.php" class="function" rel="rdfs-seeAlso">preg_match()</a> - Perform a regular expression match</span></li>

    <li class="member"><span class="function"><a href="function.strcmp.php" class="function" rel="rdfs-seeAlso">strcmp()</a> - Binary safe string comparison</span></li>

    <li class="member"><span class="function"><a href="function.strcasecmp.php" class="function" rel="rdfs-seeAlso">strcasecmp()</a> - Binary safe case-insensitive string comparison</span></li>

    <li class="member"><span class="function"><a href="function.substr.php" class="function" rel="rdfs-seeAlso">substr()</a> - Return part of a string</span></li>

    <li class="member"><span class="function"><a href="function.stristr.php" class="function" rel="rdfs-seeAlso">stristr()</a> - Case-insensitive strstr</span></li>

    <li class="member"><span class="function"><a href="function.strncasecmp.php" class="function" rel="rdfs-seeAlso">strncasecmp()</a> - Binary safe case-insensitive string comparison of the first n characters</span></li>

    <li class="member"><span class="function"><a href="function.strstr.php" class="function" rel="rdfs-seeAlso">strstr()</a> - Find first occurrence of a string</span></li>

   </ul>

  </p>

 </div>





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Source of: /manual/fa/function.strncmp.php
