| Re: Undefined variable [message #181239 is a reply to message #181238] |
Wed, 24 April 2013 03:49   |
Question Boy
Messages: 8
Registered: April 2011
Karma:
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Junior Member |
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On Apr 23, 11:27 pm, Question Boy <question....@hotmail.com> wrote:
> On Apr 23, 11:08 pm, Richard Yates <rich...@yatesguitar.com> wrote:
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>> On Tue, 23 Apr 2013 19:16:54 -0700 (PDT), Question Boy
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>> <question....@hotmail.com> wrote:
>>> I have an simple MySQL/PHP app and it appears to be functional but the
>>> webmaster has informed me that it is throwing lots of errors. So he
>>> showed me the log file and I am trying to remedy the issues, but have
>>> a question.
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>>> For instance, I have a block of code, such as:
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>>> if ($iBookedBy=="Other") {
>>> echo '<option selected value="Other">Other</option>';
>>> } else {
>>> echo '<option value="Other">Other</option>';
>>> }
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>>> which the log file reports as:
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>>> PHP Notice: Undefined variable: iBookedBy
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>>> Now I thought of trying:
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>>> if (isset($iBookedBy)==TRUE && $iBookedBy=="Other") {
>>> echo '<option selected value="Other">Other</option>';
>>> } else {
>>> echo '<option value="Other">Other</option>';
>>> }
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>>> but am not sure if the server will break because the variable isn't
>>> set or if it will still throw an error because of the second,
>>> original, part of the if statement? Is this a good way to handle the
>>> problem, or am I going about this the wrong way and there is a better
>>> method?
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>>> Thank you for your help.
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>>> QuestionBoy
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>> 1. Yes, it will prevent the error notice.
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>> 2. You do not need the ==TRUE. isset($iBookedBy) means the same
>> isset($iBookedBy)==TRUE.
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>> 3. Your asking the question suggests that you are trying to write code
>> and run it directly on a production server rather than testing on a
>> local server. The webmaster will be happier, and you will be much more
>> productive, if you set up a local server like WAMP.
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> Thank you for the reply.
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> I was always under the impression that it was always beneficial to
> explicitly put ==TRUE to avoid any arbitrary interpretations. I won't
> waste my time anymore.
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> My test server was not reporting any errors. I will look into which
> setting has to be changed.
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> Thank you once again.
Even setting my test server to debug mode, I don't seem to get the
errors reported on the production server?
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