Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

<HTML
><HEAD
><TITLE
>array_flip</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="array_filter"
HREF="function.array-filter.html"><LINK
REL="NEXT"
TITLE="array_intersect_assoc"
HREF="function.array-intersect-assoc.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.array-filter.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.array-intersect-assoc.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.array-flip"
></A
>array_flip</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN7444"
></A
><P
>    (PHP 4 )</P
>array_flip&nbsp;--&nbsp;Exchanges all keys with their associated values in an array</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN7447"
></A
><H2
>Description</H2
>array <B
CLASS="methodname"
>array_flip</B
> ( array trans)<BR
></BR
><P
>&#13;     <B
CLASS="function"
>array_flip()</B
> returns an <A
HREF="language.types.array.html"
><B
CLASS="type"
>array</B
></A
> in flip
     order, i.e. keys from <TT
CLASS="parameter"
><I
>trans</I
></TT
> become values and
     <TT
CLASS="parameter"
><I
>trans</I
></TT
>'s values become keys.
    </P
><P
>&#13;     Note that the values of <TT
CLASS="parameter"
><I
>trans</I
></TT
> need to be valid
     keys, i.e. they need to be either <A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
> or
     <A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
>. A warning will be emitted if a value has the wrong
     type, and the key/value pair in question <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>will not be
     flipped</I
></SPAN
>.
    </P
><P
>&#13;     If a value has several occurrences, the latest key will be
     used as its values, and all others will be lost.
    </P
><P
>&#13;     <B
CLASS="function"
>array_flip()</B
> returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
>
     if it fails.
    </P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN7470"
></A
><P
><B
>Example 1. <B
CLASS="function"
>array_flip()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>$trans = array_flip ($trans);
$original = strtr ($str, $trans);</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN7475"
></A
><P
><B
>Example 2. <B
CLASS="function"
>array_flip()</B
> example : collision</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>$trans = array ("a" =&#62; 1, "b" =&#62; 1, "c" =&#62; 2);
$trans = array_flip ($trans);
print_r($trans);</PRE
></TD
></TR
></TABLE
><P
>&#13;       now $trans is :
       <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>Array
(
    [1] =&#62; b
    [2] =&#62; c
)</PRE
></TD
></TR
></TABLE
>
      </P
></DIV
></TD
></TR
></TABLE
>
    </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.array-filter.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.array-intersect-assoc.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>array_filter</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"
>array_intersect_assoc</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>