Print array to a file

//Either var_export or set print_r to return the output instead of printing it.
$b = array (
    'm' => 'monkey', 
    'foo' => 'bar', 
    'x' => array ('x', 'y', 'z'));

$results = print_r($b, true); // $results now contains output from print_r
//You can then save $results with file_put_contents. Or return it directly when writing to file:

file_put_contents('filename.txt', print_r($b, true));

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