php - how to create array that will print_r like this: array( array('foo' => 'bar')) -

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how create array print_r this: 

array( array('foo' => 'bar'))

because this:

$a = array( array('foo' => 'bar'))

will print this:

array( [0] => array ('foo' => 'bar'))

print_r prints arrays showing indexes explicitly. there's no way customize this. if it's normal indexed array, show numeric indexes.


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