On 7 June 2010 21:52, Ashley Sheridan <a...@ashleysheridan.co.uk> wrote:
> On Mon, 2010-06-07 at 22:40 +0300, Tanel Tammik wrote:
>> empty() cannot check the return value of the method or function. which would
>> be the best workaround?
>> empty($class->method()) // gets an error
>> i could do
>> $method_return_value = $class->method() and then run empty() on
>> $method_return_value or is there an better option? i would like to do it in
>> if statement....
>> i wrote an class for handling file uploads and there is an method
>> getErrors() which returns empty array in case of 0 errors and i need to
>> check it before i move any files. i'm just curious, what is the right way to
>> do that!
> Are you sure this is what is giving you the error, as people are using
> this fine in their examples on the manual page for empty()
Empty only works on variables, not return values from functions.
If you're checking the return value from a function, just do if
($class->method()). The return value will be cast to bool - look here
for the conversions:
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