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Function strict type Arguments PHP automatically associates a data type to the variable, depending on its value. Since the data types are not set in a strict sense, you can do things like adding a string to an integer without causing an error. In PHP 7, type declarations were added. This gives us an option … Read more

PHP-Passing arguments by reference By default, function arguments are passed by value (so that if the value of the argument within the function is changed, it does not get changed outside of the function). To allow a function to modify its arguments, they must be passed by reference. To have an argument to a function … Read more

PHP- Function arguments Information may be passed to functions via the argument list, which is a comma-delimited list of expressions. The arguments are evaluated from left to right. PHP supports passing arguments by value (the default), passing by reference, and default argument values. Variable-length argument lists and Named Arguments are also supported. Example #1 Function with one argument Example #2 Function … Read more