PHP Is_array () detecting whether a variable is an array implementation method _php instance

Is_array ()

The PHP Is_array () function is used to detect if a variable is an array, and this function is especially useful for security checks such as forms or SESSION checking.

Grammar:

BOOL Is_array (mixed var) returns TRUE if Var is an array, otherwise FALSE.

Example:

<?php$arr_age = Array (Is_array ($arr _age)) {  echo ' variable $arr _age is an array ';} else {  echo ' variable $arr _age not is an array ';}? >

Run the example output:

The variable $arr _age is an array

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