Debugging an Array – Print it Recursively with print_r()

by Carey on October 27, 2010

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Nice and simple one..

If you want to see whats in an entire array, use the print_r function. This will give you a nicely formatted output of the array showing all dimensions. Try it:

$anArray = array(0=>'cheese',1=>'bacon',2=>'apples');
print_r($anArray); 

Tip if you are viewing this via the output of a webpage, view the source to see the nicely formatted output or wrap the output in pre tags e.g.

<pre>
<?php
    print_r($anArray);
?>
</pre>

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