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ManInTheBox/instanceof.txt

Created July 1, 2014 09:28
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PHP's instanceof operator.
Raw
instanceof.txt
$ php -r 'var_dump('test' instanceof \Exception);'
bool(false)
$ php -r 'var_dump(null instanceof \Exception);'
Fatal error: instanceof expects an object instance, constant given in Command line code on line 1
$ php -r 'var_dump(1234 instanceof \Exception);'
Fatal error: instanceof expects an object instance, constant given in Command line code on line 1
$ php -r 'var_dump(array() instanceof \Exception);'
bool(false)
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