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<?php $tests = [ '1,000.00', '1,000.000', '1.000,00', '1.000,000', '1.00', '1.000', '1,00', '1,000', ]; var_export( preg_replace( ['/[.,](?=\d*[.,])/', '/,/'], ['', '.'], $tests ) );

This is an error 500

Value for `_results` contains invalid data `array`


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