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Presumably, that get_object_vars function exists elsewhere in the code

Actually, it's a standard PHP function. It turns an object into an (associative) array of its properties.

PHP's json_decode turns the map/hash/whatever into technically an object rather than an array. Little odd, though perhaps fitting the 'JS' part of 'JSON' in a way. In that case, the extra step is needed to get something you can refer to as an array. From the print_r() output, it looks like it may have actually turned it into an array since it only had numeric keys, but that's too deep in PHP's DWIM for me to suss out.

In reply to Re^2: Converting some MapReduce PHP scripts to Perl by fullermd
in thread Converting some MapReduce PHP scripts to Perl by regan99

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