<HTML ><HEAD ><TITLE >natcasesort</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Array Functions" HREF="ref.array.html"><LINK REL="PREVIOUS" TITLE="list" HREF="function.list.html"><LINK REL="NEXT" TITLE="natsort" HREF="function.natsort.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.list.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.natsort.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.natcasesort" ></A >natcasesort</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN8963" ></A ><P > (PHP 4 )</P >natcasesort -- Sort an array using a case insensitive "natural order" algorithm </DIV ><DIV CLASS="refsect1" ><A NAME="AEN8966" ></A ><H2 >Description</H2 >void <B CLASS="methodname" >natcasesort</B > ( array array)<BR ></BR ><P > This function implements a sort algorithm that orders alphanumeric strings in the way a human being would. This is described as a "natural ordering". </P ><P > <B CLASS="function" >natcasesort()</B > is a case insensitive version of <A HREF="function.natsort.html" ><B CLASS="function" >natsort()</B ></A >. See <A HREF="function.natsort.html" ><B CLASS="function" >natsort()</B ></A > for an example of the difference between this algorithm and the regular computer string sorting algorithms. </P ><P > For more information see: Martin Pool's <A HREF="http://naturalordersort.org/" TARGET="_top" >Natural Order String Comparison</A > page. </P ><P > See also <A HREF="function.sort.html" ><B CLASS="function" >sort()</B ></A >, <A HREF="function.natsort.html" ><B CLASS="function" >natsort()</B ></A >, <A HREF="function.strnatcmp.html" ><B CLASS="function" >strnatcmp()</B ></A >, and <A HREF="function.strnatcasecmp.html" ><B CLASS="function" >strnatcasecmp()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.list.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.natsort.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >list</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.array.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >natsort</TD ></TR ></TABLE ></DIV ></BODY ></HTML >