Curt Zirzow wrote:
* Thus wrote K.Bogac Bokeer ([EMAIL PROTECTED]):
When $var is 0?
?
$var = 0;
or
$var = '';
$var = array();
$var = false;
// Output: $var: $var not exists
if ( $var )
echo '$var: $var existsbr';
else
Curt
or null
--
paperCrane Justin Patrin
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if($var) do something;
verses
if(isset($var)) do something;
The simple form if($var) seems to work fine and I see it in code often.
Is there a good reason for using isset?
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if($var) do something;
verses
if(isset($var)) do something;
The simple form if($var) seems to work fine and I see it in code often.
Is there a good reason for using isset?
Yes, if you don't use isset(), you may see notices (errors) if the
variable is not set. This depends upon the error reporting
When $var is 0?
?
$var = 0;
// Output: $var: $var not exists
if ( $var )
echo '$var: $var existsbr';
else
echo '$var: $var not existsbr';
// Output: isset(): var exists
if ( isset($var) )
echo 'isset(): $var existsbr';
else
echo 'isset(): $var not existsbr';
?
Larry E
* Thus wrote K.Bogac Bokeer ([EMAIL PROTECTED]):
When $var is 0?
?
$var = 0;
or
$var = '';
$var = array();
$var = false;
// Output: $var: $var not exists
if ( $var )
echo '$var: $var existsbr';
else
Curt
--
I used to think I was indecisive, but now I'm not so
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