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<?php $a = range(1, 10); $b = range('a', 'f'); $c = range('A', 'B'); var_export( array_merge( ...array_map( fn(...$col) => array_filter( $col, fn($v) => !is_null($v) ), $a, $b, $c ) ) );

This is an error 500

Value for `_results` contains invalid data `array`


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