Strpos 1

[dle46163]

Hey all,

I've got a string like this:
$play_days="0123456";

I need to search for individual numbers in the string. If the number is not found, I simply echo a statement. Everything is fine except when the number found resides in the zero position in the string. I've tried the following things:

if (strpos($play_days,'0')!=false){echo "Not Found!";}
if (strpos($play_days,'0')!=""){echo "Not Found!";}

Neither of which work for the digit in the zero position. Can anyone give me a hand with this?

thanks!

 

[jpadie]

if (strpos($play_days,'0') !=[red]=[/red] false){echo "Not Found!";}

http://fr.php.net/manual/en/language.operators.comparison.php

 

[vacunita]

Shouldn't it be ===FALSE for it to be not found?

Otherwise if its different to False, that means it did find it inside the string? it has a valid position in the string.

if (strpos($play_days,'0') !== false){echo "Not Found!";}

Will only be true if it is found, so it doesn;t make uch sense

----------------------------------
Ignorance is not necessarily Bliss, case in point:
Unknown has caused an Unknown Error on Unknown and must be shutdown to prevent damage to Unknown.

 

[dle46163]

Thanks jpadie, works like a charm!

-dle

 

[solo1234]

Hello all,

If a function gives back a logical value you can do it also on the next way:

if (!strpos($play_days,'0')){echo "Not Found!";}

See the exclamation mark!

Regards,
Solo1234

 

[jpadie]

yes - if you can guarantee it's false.

but many functionals also return a zero, which, without type verification (===) is considered false. strpos can easily return a zero if the matched string is at the start of the subject.

 

[solo1234]

Hello jpadie,

You'r right but I was talking about a logical responce of a function.

Solo1234