## `is_array` Function: Checking if a Variable is an Array The `is_array()` function in PHP is used to check if a variable is an array. It returns `true` if the variable is an array, and

## Exploring the Power of `str_replace()`: A Versatile PHP Function In the vast ecosystem of PHP functions, `str_replace()` stands out as a versatile and indispensable tool for manipulating strings. This powerful function allows developers to

## array_rand() Function The `array_rand()` function in PHP is used to select a random key or multiple random keys from an array. It can also be used to generate a subset of an array with