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<?php $data = [ 'rows' => [ [ 'a' => 'A', 'b' => 'B', 'c' => 'C', ], [ 'a' => 'A', 'b' => 'B', 'c' => 'C', ], 'XYZ' ], ]; print_r( filter_var_array($data, ['rows' => [ 'filter' => FILTER_FORCE_ARRAY, 'flags' => FILTER_FORCE_ARRAY ] ]) );
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [rows] => Array ( [0] => Array ( [a] => A [b] => B [c] => C ) [1] => Array ( [a] => A [b] => B [c] => C ) [2] => XYZ ) )

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221.48 ms | 404 KiB | 243 Q