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<?php $array = [ 2400 => [ ['value' => 7, 0 => 7], ['value' => 61, 0 => 61], ['value' => 42, 0 => 42], ['value' => null, 0 => null], ], 2401 => [ ['value' => null, 0 => null], ['value' => 66, 0 => 66], ['value' => null, 0 => null], ['value' => 21, 0 => 21], ] ]; var_export( array_map( fn($row) => array_filter($row, 'array_sum'), $array ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 2400 => array ( 0 => array ( 'value' => 7, 0 => 7, ), 1 => array ( 'value' => 61, 0 => 61, ), 2 => array ( 'value' => 42, 0 => 42, ), ), 2401 => array ( 1 => array ( 'value' => 66, 0 => 66, ), 3 => array ( 'value' => 21, 0 => 21, ), ), )

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