How does php pass array parameters

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Php can pass array parameters. In PHP5.6 and later versions, the formal arguments to the function can use "..." To indicate that the function can accept a variable number of arguments, which will be passed to the function as an array, with the syntax "function function name (... $arr) {/ / execute code}".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php can pass array parameters.

When calling a function, you need to pass parameters to the function, the parameters passed into the function are called arguments, and the parameters defined by the function are called formal parameters. There are four ways to pass parameters to a function, namely, value passing, reference passing, default parameters, and variable length parameters.

Where the variable length argument will be passed to the function as an array.

PHP variable length parameter

In PHP 5. 6 and later, the formal arguments to the function can be used. To indicate that the function can accept a variable number of arguments, which will be passed to the function as an array.

Examples are as follows:

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