C.50.  $world->ispermanent


$world->ispermanent function: checks wheter a variable IS PERMANENT

$return = $world->ispermanent( var );

This function tests if a variable is permanent. The return value is true or false depending on the variable's status.

The names of the variables are passed as a string, including the $, @ or % prefix. Be careful to use single quotes (or \ inside double quotes) to avoid variable interpolation.