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Re: A little tip [message #177481 is a reply to message #177445]

Mon, 02 April 2012 07:42

alvaro.NOSPAMTHANX
Messages: 277
Registered: September 2010

Karma:

Senior Member

El 30/03/2012 19:02, Shelly escribió/wrote:
> Here is something I jist came across, so I am passing it on:
> ==========
> $val= TRUE;
> $val &= TRUE;
> print ($val === TRUE) ? "Triple is true\n" : "Triple is false\n";
> print ($val == TRUE) ? "Double is true\n" : "Double is false\n";
>
> Results in:
> Triple is false
> Double is true
> ==========
>
> Who designed that? It is totally counter-intuitive.

When trying to understand these subtleties, I find var_dump() more
useful than plain echos. In this case:

$val= TRUE;
var_dump($val);
$val &= TRUE;
var_dump($val);

.... prints:

bool(true)
int(1)

.... which makes the result of loose and strict comparisons obvious.

--
-- http://alvaro.es - Álvaro G. Vicario - Burgos, Spain
-- Mi sitio sobre programación web: http://borrame.com
-- Mi web de humor satinado: http://www.demogracia.com
--

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[Message index]

		A little tip By: Shelly[1] on Fri, 30 March 2012 17:02
		Re: A little tip By: Jerry Stuckle on Fri, 30 March 2012 17:20
		Re: A little tip By: Shelly[1] on Fri, 30 March 2012 18:18
		Re: A little tip By: Jerry Stuckle on Fri, 30 March 2012 20:19
		Re: A little tip By: Thomas Mlynarczyk on Fri, 30 March 2012 20:30
		Re: A little tip By: Doug Miller on Fri, 30 March 2012 20:55
		Re: A little tip By: Shelly[1] on Fri, 30 March 2012 20:55
		Re: A little tip By: Jerry Stuckle on Fri, 30 March 2012 21:07
		Re: A little tip By: Jerry Stuckle on Sat, 31 March 2012 14:05
		Re: A little tip By: Shelly[1] on Sat, 31 March 2012 15:27
		Re: A little tip By: Thomas 'PointedEars' on Tue, 03 April 2012 13:52
		Re: A little tip By: Shelly[1] on Tue, 03 April 2012 14:20
		Re: A little tip By: Doug Miller on Fri, 30 March 2012 19:36
		Re: A little tip By: Jerry Stuckle on Fri, 30 March 2012 20:21
		Re: A little tip By: Doug Miller on Fri, 30 March 2012 20:52
		Re: A little tip By: Jerry Stuckle on Fri, 30 March 2012 21:08
		Re: A little tip By: Shelly[1] on Fri, 30 March 2012 21:22
		Re: A little tip By: Mr. B-o-B on Fri, 30 March 2012 23:00
		Re: A little tip By: Scott Johnson on Sat, 31 March 2012 03:33
		Re: A little tip By: Shelly[1] on Fri, 30 March 2012 21:20
		Re: A little tip By: Thomas 'PointedEars' on Tue, 03 April 2012 13:56
		Re: A little tip By: Shelly[1] on Tue, 03 April 2012 14:20
		Re: A little tip By: Michael Fesser on Sat, 31 March 2012 03:04
		Re: A little tip By: Jerry Stuckle on Sat, 31 March 2012 03:31
		Re: A little tip By: Scott Johnson on Sat, 31 March 2012 03:35
		Re: A little tip By: Jerry Stuckle on Sat, 31 March 2012 03:53
		Re: A little tip By: Doug Miller on Sat, 31 March 2012 11:58
		Re: A little tip By: Jerry Stuckle on Sat, 31 March 2012 13:05
		Re: A little tip By: alvaro.NOSPAMTHANX on Mon, 02 April 2012 07:42
		Re: A little tip By: M. Strobel on Mon, 02 April 2012 08:22
		Re: A little tip By: Shelly[1] on Mon, 02 April 2012 12:15
		Re: A little tip By: M. Strobel on Mon, 02 April 2012 12:27
		Re: A little tip By: Shelly[1] on Mon, 02 April 2012 13:40
		Re: A little tip By: M. Strobel on Mon, 02 April 2012 21:43

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