note 1926 modified in language.operators.logical by irc-html
| From: | irc-html@php.net | Date: | Sat, 19 Jan 2002 19:15:36 +0000 |
| Subject: | note 1926 modified in language.operators.logical by irc-html | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-25231@lists.php.net to get a copy of this message | ||
[Ed Note: The reason for this is because || has a higher precedence than =, and = has a higher
precedence than 'or'. See http://www.php.net/manual/en/language.operators.precedence.php
--irc-html@php.net]
I wanted to do something like this:
$choice1 = "";
$choice2 = "dog";
$default = "other";
$val = $choice1 || $choice2 || $default;
but then $val1 will only contain 1 or 0. Instead I did this:
$choice1 = "";
$choice2 = "dog";
$default = "other";
$val = $choice1 or $choice2 or $default;
now $val contained the string "dog". That's
weird that 'or' is different from '||'...and I would
think that the '||' should be smart enough to handle
strings...the way PERL does. Guess not. Maybe it's
a design choice.
--was--
I wanted to do something like this:
<pre>
$choice1 = "";
$choice2 = "dog";
$default = "other";
$val = $choice1 || $choice2 || $default;
</pre>
but then $val1 will only contain 1 or 0. Instead I did this:
<pre>
$choice1 = "";
$choice2 = "dog";
$default = "other";
$val = $choice1 or $choice2 or $default;
</pre>
now $val contained the string "dog". That's
weird that 'or' is different from '||'...and I would
think that the '||' should be smart enough to handle
strings...the way PERL does. Guess not. Maybe it's
a design choice.
http://www.php.net/manual/en/language.operators.logical.php