<HTML ><HEAD ><TITLE >strcasecmp</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="String functions" HREF="ref.strings.html"><LINK REL="PREVIOUS" TITLE="str_word_count" HREF="function.str-word-count.html"><LINK REL="NEXT" TITLE="strchr" HREF="function.strchr.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.str-word-count.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.strchr.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.strcasecmp" ></A >strcasecmp</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN90974" ></A ><P > (PHP 3>= 3.0.2, PHP 4 )</P >strcasecmp -- Binary safe case-insensitive string comparison </DIV ><DIV CLASS="refsect1" ><A NAME="AEN90977" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >strcasecmp</B > ( string str1, string str2)<BR ></BR ><P > Returns < 0 if <TT CLASS="parameter" ><I >str1</I ></TT > is less than <TT CLASS="parameter" ><I >str2</I ></TT >; > 0 if <TT CLASS="parameter" ><I >str1</I ></TT > is greater than <TT CLASS="parameter" ><I >str2</I ></TT >, and 0 if they are equal. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN90993" ></A ><P ><B >Example 1. <B CLASS="function" >strcasecmp()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" >$var1 = "Hello"; $var2 = "hello"; if (!strcasecmp($var1, $var2)) { echo '$var1 is equal to $var2 in a case-insensitive string comparison'; }</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.ereg.html" ><B CLASS="function" >ereg()</B ></A >, <A HREF="function.strcmp.html" ><B CLASS="function" >strcmp()</B ></A >, <A HREF="function.substr.html" ><B CLASS="function" >substr()</B ></A >, <A HREF="function.stristr.html" ><B CLASS="function" >stristr()</B ></A >, <A HREF="function.strncasecmp.html" ><B CLASS="function" >strncasecmp()</B ></A >, and <A HREF="function.strstr.html" ><B CLASS="function" >strstr()</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.str-word-count.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.strchr.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >str_word_count</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.strings.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >strchr</TD ></TR ></TABLE ></DIV ></BODY ></HTML >