Sophie

Sophie

distrib > PLD > ac > amd64 > media > dist > by-pkgid > dd8ef74e7a184506d40e4328053fb785 > files > 3760

php-manual-ro-20051028-1.noarch.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML
><HEAD
><TITLE
>Short-circuited boolean evaluation</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
REL="HOME"
TITLE="Manual PHP"
HREF="index.html"><LINK
REL="UP"
TITLE="Migrating from PHP/FI 2 to PHP 3"
HREF="migration.html"><LINK
REL="PREVIOUS"
TITLE="Error messages have changed"
HREF="migration.errors.html"><LINK
REL="NEXT"
TITLE="Function TRUE/FALSE return values"
HREF="migration.truefalse.html"><META
HTTP-EQUIV="Content-type"
CONTENT="text/html; charset=ISO-8859-2"></HEAD
><BODY
CLASS="section"
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 PHP</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="migration.errors.html"
ACCESSKEY="P"
>Înapoi</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Anexa D. Migrating from PHP/FI 2 to PHP 3</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="migration.truefalse.html"
ACCESSKEY="N"
>Înainte</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="migration.booleval"
>Short-circuited boolean evaluation</A
></H1
><P
>&#13;   In PHP 3.0 boolean evaluation is short-circuited.  This means that
   in an expression like <VAR
CLASS="literal"
>(1 || test_me())</VAR
>, the
   function <B
CLASS="function"
>test_me()</B
> would not be executed since
   nothing can change the result of the expression after the
   <VAR
CLASS="literal"
>1</VAR
>.
  </P
><P
>&#13;   This is a minor compatibility issue, but may cause unexpected
   side-effects.
  </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="migration.errors.html"
ACCESSKEY="P"
>Înapoi</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Acas&#227;</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="migration.truefalse.html"
ACCESSKEY="N"
>Înainte</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Error messages have changed</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="migration.html"
ACCESSKEY="U"
>Sus</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Function <TT
CLASS="constant"
><B
>TRUE</B
></TT
>/<TT
CLASS="constant"
><B
>FALSE</B
></TT
> return values</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>