<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >strcasecmp</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="String" 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=UTF-8"></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" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.str-word-count.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.strchr.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.strcasecmp" ></A >strcasecmp</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN221022" ></A ><P > (PHP 3 >= 3.0.2, PHP 4, PHP 5)</P >strcasecmp -- Comparação de strings sem diferenciar maiúsculas e minúsculas segura para binário </DIV ><DIV CLASS="refsect1" ><A NAME="AEN221025" ></A ><H2 >Descrição</H2 >int <B CLASS="methodname" >strcasecmp</B > ( string str1, string str2 )<BR ></BR ><P > Retorna < 0 se <CODE CLASS="parameter" >str1</CODE > é menor do que <CODE CLASS="parameter" >str2</CODE >; > 0 se <CODE CLASS="parameter" >str1</CODE > é maior do que <CODE CLASS="parameter" >str2</CODE >, e 0 se forem iguais. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN221041" ></A ><P ><B >Exemplo 1. Exemplo <B CLASS="function" >strcasecmp()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$var1 </font><font color="#007700">= </font><font color="#DD0000">"Hello"</font><font color="#007700">;<br /></font><font color="#0000BB">$var2 </font><font color="#007700">= </font><font color="#DD0000">"hello"</font><font color="#007700">;<br />if (</font><font color="#0000BB">strcasecmp</font><font color="#007700">(</font><font color="#0000BB">$var1</font><font color="#007700">, </font><font color="#0000BB">$var2</font><font color="#007700">) == </font><font color="#0000BB">0</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">'$var1 é igual a $var2 numa comparação sem diferenciar maiúsculas e minúsculas'</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > Veja também <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 > e <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" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.strchr.html" ACCESSKEY="N" >Próxima</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" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >strchr</TD ></TR ></TABLE ></DIV ></BODY ></HTML >