Write the features of System defined Functions?

1.	Write the features of System defined Functions?
Answer» System Defined Functions: A function is already created by system it is a reusable piece or block of code that performs a specific action. Functions can either return values when called or can simply perform an operation without returning any value. Features of System defined functions: 1. System defined functions are otherwise called as predefined or built-in functions. 2. PHP has over 700 built in functions that performs different tasks. 3. Built in functions are functions that exists in PHP installation package.

Answer»

System Defined Functions: A function is already created by system it is a reusable piece or block of code that performs a specific action. Functions can either return values when called or can simply perform an operation without returning any value.

Features of System defined functions:

1. System defined functions are otherwise called as predefined or built-in functions.

2. PHP has over 700 built in functions that performs different tasks.

3. Built in functions are functions that exists in PHP installation package.

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