Description:
The print_r() function is used to print human-readable information about a variable.
Return Value:
If the variable is an integer or a float or a string the function returns value of the variable. If the variable is an array the function returns keys and elements.
The print_r() function is used to print human-readable information about a variable.
Return Value:
If the variable is an integer or a float or a string the function returns value of the variable. If the variable is an array the function returns keys and elements.