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Re: OT: Assignment operator (Was: using same variable twice on same page) [message #171358 is a reply to message #171344] Thu, 30 December 2010 19:21 Go to previous messageGo to previous message
richard is currently offline  richard   
Messages: 213
Registered: June 2013
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On Thu, 30 Dec 2010 15:35:10 +0100, August Karlstrom wrote:

> On 2010-12-30 05:47, Jerry Stuckle wrote:
>> On 12/29/2010 8:07 PM, August Karlstrom wrote:
>>> On 2010-12-29 11:42, Derek Turner wrote:
>>>> On Tue, 28 Dec 2010 22:07:55 -0700, richard wrote:
>>>>
>>>> > <?php if ($year="1961")
>>>>
>>>> This simply sets $year to "1961" and will always return 'true'
>>>
>>> ...which is more or less a flaw in the language design copied from C.
>>
>> Not at all. == is a completely different operator than =. Just like ++
>> is not the same as +.
>
> The equal sign `=' has been used in mathematics since medieval times to
> denote equality. To use `==' for equality and `=' for something else
> (assignment) is not sensible.
>
>
> /August

Not really. As in various programming languages dictate, usage and display
can be quite different.

In BASIC and simpler low level languages, we say <>, meaning "not equal"
while in the higher level languages we say, !=.
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