Re: [PHP] variable type - conversion/checking

On Thu, Mar 14, 2013 at 11:44 PM, Jim Lucas <[email protected]> wrote:

> On 03/14/2013 11:50 AM, Samuel Lopes Grigolato wrote:
>
>> Something like "if (is_numeric($var)&&  $var == floor($var))" will do the
>>
>> trick. I don't know if there's a better (more elegant) way.
>>
>>
>> On Thu, Mar 14, 2013 at 3:09 PM, Matijn Woudt<[email protected]>  wrote:
>>
>>  On Thu, Mar 14, 2013 at 7:02 PM, georg<[email protected]**>
>>>  wrote:
>>>
>>>  Hi,
>>>>
>>>> I have tried to find a way to check if a character string is possible to
>>>> test whether it is convertible to an intger !
>>>>
>>>> any suggestion ?
>>>>
>>>> BR georg
>>>>
>>>
>>>
>>> You could use is_numeric for that, though it also accepts floats.
>>>
>>> - Matijn
>>>
>>>
>>
> for that type of test I have always used this:
>
> if ( $val == (int)$val ) {
>
> http://www.php.net/manual/en/**language.types.integer.php#**
> language.types.integer.casting<http://www.php.net/manual/en/language.types.integer.php#language.types.integer.casting>
>
>
I hope you're not serious about this...

When comparing a string and an int, PHP will translate the string to int
too, and of course they will always be equal then.
So:
$a = "abc";
if($a == (int)$a) echo "YES";
else echo "NO";
Will always return YES.

- Matijn