How to print the contents of an array using PHP?

Question: How to print the contents of an array using PHP?

Answer: 

//Array example
$arr = array('one','two','three','four');

Use the print_r function.

Example: print_r($arr);

The example above will print out the following:
Array ( [0] => one [1] => two [2] => three [3] => four )

NOTE: If you want to have the contents of the array displayed in a more readable format, add a echo '<pre>'; statement before calling the print_r function.

Example of the results:

Array
(
    [0] => one
    [1] => two
    [2] => three
    [3] => four
)

Explanation:

print_r - Prints human-readable information about a variable (PHP 4, PHP 5)

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• Comments

• |2009-08-06 12:02:40 LJ - Very cool.
  Nice one man, thanks for this, yea i remember reading up on this in some pdf
  recently!
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• |2009-08-06 12:13:30 TechPortal - Cool
  I'm glad this was helpful.
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