Posted On: Feb 22, 2018
crypt(), Mcrypt(), hash() are used for encryption in PHP
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T_PAAMAYIM_NEKUDOTAYIM is scope resolution operator used as :: (double colon) .Basically, it used to call static methods/variables of a Class...
In PHP == is equal operator and returns TRUE if $a is equal to $b after type juggling and === is Identical operator and return TRUE if $a is equal to $b, and they are of the same data type...