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<?php $tests = [ ", One ,, ,,", ", Two , Three", "Four, Five ", " Six,Seven, ", " ,Eight ,Nine , , , , Ten ,", ]; foreach ($tests as $test) { var_export( preg_replace('/[, ]+/', ', ', trim($test, ', ')) ); echo "\n"; }

This is an error 500

Value for `_results` contains invalid data `array`


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