php magin __isset code example
Example: php magic methods
/*
The following function names are magical in PHP classes.
You cannot have functions with these names in any of
your classes unless you want the magic functionality
associated with them.
*/
__construct(),
__destruct(),
__call(),
__callStatic(),
__get(),
__set(),
__isset(),
__unset(),
__sleep(),
__wakeup(),
__serialize(),
__unserialize(),
__toString(),
__invoke(),
__set_state(),
__clone(),
__debugInfo()