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control-structures.else.html
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<HTML
><HEAD
><TITLE
>else</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.57"><LINK
REL="HOME"
TITLE="PHP Manual"
HREF="manual.html"><LINK
REL="UP"
TITLE="Control Structures"
HREF="control-structures.html"><LINK
REL="PREVIOUS"
TITLE="Control Structures"
HREF="control-structures.html"><LINK
REL="NEXT"
TITLE="elseif"
HREF="control-structures.elseif.html"><META
NAME="HTTP_EQUIV"
CONTENT="text/html; charset=ISO-8859-1"></HEAD
><BODY
CLASS="sect1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><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="control-structures.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 11. Control Structures</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="control-structures.elseif.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="sect1"
><H1
CLASS="sect1"
><A
NAME="control-structures.else"
><TT
CLASS="literal"
>else</TT
></A
></H1
><P
> Often you'd want to execute a statement if a certain condition is
met, and a different statement if the condition is not met. This
is what <TT
CLASS="literal"
>else</TT
> is for. <TT
CLASS="literal"
>else</TT
>
extends an <TT
CLASS="literal"
>if</TT
> statement to execute a statement
in case the expression in the <TT
CLASS="literal"
>if</TT
> statement
evaluates to <TT
CLASS="literal"
>FALSE</TT
>. For example, the following
code would display <TT
CLASS="computeroutput"
>a is bigger than
b</TT
> if <TT
CLASS="replaceable"
><I
>$a</I
></TT
> is bigger than
<TT
CLASS="replaceable"
><I
>$b</I
></TT
>, and <TT
CLASS="computeroutput"
>a is NOT bigger
than b</TT
> otherwise:
<DIV
CLASS="informalexample"
><A
NAME="AEN3334"
></A
><P
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
> if ($a > $b) {
print "a is bigger than b";
} else {
print "a is NOT bigger than b";
}
</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
>
The <TT
CLASS="literal"
>else</TT
> statement is only executed if the
<TT
CLASS="literal"
>if</TT
> expression evaluated to
<TT
CLASS="literal"
>FALSE</TT
>, and if there were any
<TT
CLASS="literal"
>elseif</TT
> expressions - only if they evaluated to
<TT
CLASS="literal"
>FALSE</TT
> as well (see <A
HREF="control-structures.elseif.html"
>elseif</A
>).
</P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="control-structures.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="manual.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="control-structures.elseif.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Control Structures</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="control-structures.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><TT
CLASS="literal"
>elseif</TT
></TD
></TR
></TABLE
></DIV
></BODY
></HTML
>