Re: Boolean type forced on string assignment inside if statement
| From: | David OBrien | Date: | Thu, 03 Jan 2013 17:09:20 +0000 |
| Subject: | Re: Boolean type forced on string assignment inside if statement | ||
| References: | 1 2 3 4 5 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-320009@lists.php.net to get a copy of this message | ||
On Thu, Jan 3, 2013 at 11:49 AM, Marc Guay <marc.guay@gmail.com> wrote:
> Hi John,
>
> I just ran this:
>
> if (($a = "foo") || ($b = "bar")){
> echo $a."<br />".$b;
> }
>
> and it only spat out "foo" so I'm guessing things have changed. :)
>
> Marc
>
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>
From what I understood about || is once it sees a true the whole statement
is regarded as true so nothing else following matters so PHP ignores
everything in the conditional after it evaluates as true...
and once it sees a false the whole statement is regarded as false so
nothing else following matters again
even the docs say short circuiting is used :)
http://php.net/manual/en/language.operators.logical.php