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Re: AND and OR [message #182569 is a reply to message #182567]

Fri, 16 August 2013 10:48

Norman Peelman
Messages: 126
Registered: September 2010

Karma:

Senior Member

On 08/16/2013 06:25 AM, The Natural Philosopher wrote:
> On 16/08/13 01:21, Twayne wrote:
>> Hi,
>>
>> Doing code cleanup; something that seemed so simple is giving me lots
>> of trouble for whatever reason.
>>
>> Win 7, XAMPP, PHP 5.3, online forms:
>>
>> In my cleanup efforts I've been trying to concatenate statements for
>> things like the following:
>>
>> IF(strlen(var1) == 0) OR strlen(var2) == 0) OR strlen(var3) ==0))
>> {
>> code; notify user of errors that must be corrected.
>> }
>>
>> I know OR is || and AND is &&, and have tried every combination of
>> code I can think of but I consistently get syntax errors and it never
>> works.
>> Doing each var independently works fine; e.g. if(strlen($var) == 0)
>> {...}, works as expected, first time every time.
>>
>
> your brackets are screwed.
>
> if ((strlen(var1) == 0) || (strlen(var2) == 0) || (strlen(var3) ==0))
>
> will work
> as will
> if (strlen(var1) == 0 || strlen(var2) == 0 || strlen(var3) ==0)
>

As well as:

if (!strlen(var1) || !strlen(var2) || !strlen(var3))

--
Norman
Registered Linux user #461062
-Have you been to www.php.net yet?-

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[Message index]

		AND and OR By: bill on Fri, 16 August 2013 00:21
		Re: AND and OR By: Paul Herber on Fri, 16 August 2013 00:30
		Re: AND and OR By: Christoph Michael Bec on Fri, 16 August 2013 11:08
		Re: AND and OR By: bill on Fri, 16 August 2013 16:14
		Re: AND and OR By: Peter H. Coffin on Fri, 16 August 2013 01:08
		Re: AND and OR By: Tim Streater on Fri, 16 August 2013 07:52
		Re: AND and OR By: bill on Fri, 16 August 2013 15:19
		Re: AND and OR By: The Natural Philosoph on Fri, 16 August 2013 10:25
		Re: AND and OR By: Norman Peelman on Fri, 16 August 2013 10:48
		Re: AND and OR By: The Natural Philosoph on Fri, 16 August 2013 11:24
		Re: AND and OR By: bill on Fri, 16 August 2013 16:10
		Re: AND and OR By: The Natural Philosoph on Fri, 16 August 2013 16:35
		Re: AND and OR By: Tim Streater on Fri, 16 August 2013 16:47
		Re: AND and OR By: The Natural Philosoph on Fri, 16 August 2013 17:13
		Re: AND and OR By: Richard Yates on Sat, 17 August 2013 14:20
		Re: AND and OR By: The Natural Philosoph on Sat, 17 August 2013 14:36
		Re: AND and OR By: Richard Yates on Sat, 17 August 2013 17:47
		Re: AND and OR By: bill on Sat, 17 August 2013 18:05
		Re: AND and OR By: The Natural Philosoph on Sat, 17 August 2013 18:40
		Re: AND and OR By: bill on Sat, 17 August 2013 17:27
		Re: AND and OR By: bill on Sat, 17 August 2013 17:22
		Re: AND and OR By: Richard Yates on Sat, 17 August 2013 14:19
		Re: AND and OR By: bill on Fri, 16 August 2013 15:53
		Re: AND and OR By: bill on Fri, 16 August 2013 15:42

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