Re: A little tip

From	Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups	comp.lang.php
Subject	Re: A little tip
Date	2012-03-30 17:07 -0400
Organization	A noiseless patient Spider
Message-ID	<jl57a0$ada$1@dont-email.me> (permalink)
References	<jl4ovl$h2i$1@dont-email.me> <jl4q1i$top$1@dont-email.me> <jl4te2$hi5$1@dont-email.me> <jl554d$1s6$1@news.albasani.net> <jl56kh$6ku$1@dont-email.me>

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On 3/30/2012 4:55 PM, Shelly wrote:
> On 3/30/2012 4:30 PM, Thomas Mlynarczyk wrote:
>> Shelly schrieb:
>>
>>> $val = TRUE;
>>
>>> $val &= TRUE;
>>>
>>> which is identical to
>>>
>>> $val = $val && TRUE;
>>
>> No. &= is a bitwise operator while && means the logical AND operator. So
>> when you do $val &= TRUE, PHP is trying to do TRUE & TRUE, but since
>> bitwise operators only work with integers, TRUE is first coerced into
>> the integer 1. So the operation ends up as 1 & 1 yielding the integer 1.
>> Thus, $val = 1. The === operator checks the type of the operands which
>> are int and bool and thus not the same, while == tries to convert the
>> operands into something "comparable" and since they are both "truish"
>> the result is TRUE here.
>>
>> Greetings,
>> Thomas
>>
>
> Thank you. That makes a lot of sense. So, what I have to do if I want to
> use === is to use the expanded form
>
> $val = $val && TRUE;
>
> Right?
>
>

Yes, that should work just fine.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

Thread

A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-30 13:02 -0400
  Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 13:20 -0400
    Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-30 14:18 -0400
      Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 16:19 -0400
      Re: A little tip Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-03-30 22:30 +0200
        Re: A little tip Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-03-30 20:55 +0000
        Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-30 16:55 -0400
          Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 17:07 -0400
          Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-31 10:05 -0400
            Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-31 11:27 -0400
          Re: A little tip Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-04-03 15:52 +0200
            Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-04-03 10:20 -0400
    Re: A little tip Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-03-30 19:36 +0000
      Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 16:21 -0400
        Re: A little tip Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-03-30 20:52 +0000
          Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 17:08 -0400
            Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-30 17:22 -0400
              Re: A little tip "Mr. B-o-B" <mr.chew.baka@gmail.com> - 2012-03-30 18:00 -0500
                Re: A little tip Scott Johnson <noonehome@chalupasworld.com> - 2012-03-30 20:33 -0700
          Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-03-30 17:20 -0400
            Re: A little tip Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-04-03 15:56 +0200
              Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-04-03 10:20 -0400
          Re: A little tip Michael Fesser <netizen@gmx.de> - 2012-03-31 05:04 +0200
            Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 23:31 -0400
          Re: A little tip Scott Johnson <noonehome@chalupasworld.com> - 2012-03-30 20:35 -0700
            Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-30 23:53 -0400
              Re: A little tip Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-03-31 11:58 +0000
                Re: A little tip Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-31 09:05 -0400
  Re: A little tip "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2012-04-02 09:42 +0200
    Re: A little tip "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-02 10:22 +0200
      Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-04-02 08:15 -0400
        Re: A little tip "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-02 14:27 +0200
          Re: A little tip Shelly <sheldonlg@thevillages.net> - 2012-04-02 09:40 -0400
            Re: A little tip "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-02 23:43 +0200

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