<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Locale based string comparison</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.strcmp.html">strcmp</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.strcspn.html">strcspn</a></div> <div class="up"><a href="ref.strings.html">String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.strcoll" class="refentry"> <div class="refnamediv"> <h1 class="refname">strcoll</h1> <p class="verinfo">(PHP 4 >= 4.0.5, PHP 5)</p><p class="refpurpose"><span class="refname">strcoll</span> — <span class="dc-title">Locale based string comparison</span></p> </div> <div class="refsect1 description" id="refsect1-function.strcoll-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>strcoll</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str1</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter">$str2</code></span> )</div> <p class="para rdfs-comment"> Note that this comparison is case sensitive, and unlike <span class="function"><a href="function.strcmp.html" class="function">strcmp()</a></span> this function is not binary safe. </p> <p class="para"> <span class="function"><strong>strcoll()</strong></span> uses the current locale for doing the comparisons. If the current locale is C or POSIX, this function is equivalent to <span class="function"><a href="function.strcmp.html" class="function">strcmp()</a></span>. </p> </div> <div class="refsect1 parameters" id="refsect1-function.strcoll-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">str1</code></em></span> <dd> <p class="para"> The first string. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">str2</code></em></span> <dd> <p class="para"> The second string. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.strcoll-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns < 0 if <em><code class="parameter">str1</code></em> is less than <em><code class="parameter">str2</code></em>; > 0 if <em><code class="parameter">str1</code></em> is greater than <em><code class="parameter">str2</code></em>, and 0 if they are equal. </p> </div> <div class="refsect1 changelog" id="refsect1-function.strcoll-changelog"> <h3 class="title">Changelog</h3> <p class="para"> <table class="doctable informaltable"> <thead> <tr> <th>Version</th> <th>Description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>4.2.3</td> <td> This function now works on win32. </td> </tr> </tbody> </table> </p> </div> <div class="refsect1 seealso" id="refsect1-function.strcoll-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.preg-match.html" 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.html" class="function" rel="rdfs-seeAlso">strcmp()</a> - Binary safe string comparison</span></li> <li class="member"> <span class="function"><a href="function.strcasecmp.html" 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.html" class="function" rel="rdfs-seeAlso">substr()</a> - Return part of a string</span></li> <li class="member"> <span class="function"><a href="function.stristr.html" class="function" rel="rdfs-seeAlso">stristr()</a> - Case-insensitive strstr</span></li> <li class="member"> <span class="function"><a href="function.strncasecmp.html" 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.strncmp.html" class="function" rel="rdfs-seeAlso">strncmp()</a> - Binary safe string comparison of the first n characters</span></li> <li class="member"> <span class="function"><a href="function.strstr.html" class="function" rel="rdfs-seeAlso">strstr()</a> - Find the first occurrence of a string</span></li> <li class="member"> <span class="function"><a href="function.setlocale.html" class="function" rel="rdfs-seeAlso">setlocale()</a> - Set locale information</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.strcmp.html">strcmp</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.strcspn.html">strcspn</a></div> <div class="up"><a href="ref.strings.html">String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>