In PHP, what is function for outputting the contents of an array at runtime?

 In PHP, what is function for outputting the contents of an array at runtime?

• print()
• print_array()
• print_r()
• echo               

EXPLANATION

The PHP function print_r() is responsible for outputting the contents of an array at runtime. It is often used for debugging an array during development.

Example:

<?php




$MyArray = array("apple", "orange", "banana");
print_r($MyArray);

/*-------------------------------------------*/

The above would be outputted as:

Array([1]=>apple,[2]=>orange,[3]=>"banana")

/*-------------------------------------------*/
?>

SOURCE

http://php.net/manual/en/function.print-r.php