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<?php $result = array_udiff( array( '2015-01-01' => array(array('HORA' => '0600', 'MOTIVO' => 'teste')), '2015-01-02' => array(array('HORA' => '0600', 'MOTIVO' => 'teste'),array('HORA' => '0700', 'MOTIVO' => 'teste')), '2015-01-03' => array(array('HORA' => '0600', 'MOTIVO' => 'demo')) ), array( '2015-01-01' => array(array('HORA' => '0600', 'MOTIVO' => 'teste')), '2015-01-02' => array(array('HORA' => '0800', 'MOTIVO' => 'teste')), '2015-01-03' => array(array('HORA' => '0800', 'MOTIVO' => 'demo')) ) ); print_r($result);

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