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<?php $str = 'FFFFRRFFFFFFFPPRRRRRRLLRLLRLLLPPFPPLPPLPPLFPPFFPFLRPFFRRLLRPFPRFFFFFFFLFDRRFRRFFFFFFFFRQEE'; $res = preg_split('/([PDQE])(?:.*\1)?/', $str); print_r($res);

This is an error 500

Value for `_results` contains invalid data `array`


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