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<?php $result = array(); $list = array( 0 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "25/08/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 1 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "25/08/2015", "estado" => "M/Sal", "count_ent" => 0, "count_sal" => 0 ), 2 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "26/08/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 3 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "26/08/2015", "estado" => "M/Sal", "count_ent" => 0, "count_sal" => 0 ), 4 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "26/08/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 5 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "26/08/2015", "estado" => "M/Sal", "count_ent" => 0, "count_sal" => 0 ), 22 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "02/09/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 23 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "02/09/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 24 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "02/09/2015", "estado" => "M/Ent", "count_ent" => 0, "count_sal" => 0 ), 25 => array( "rut" => "16.534.770-6", "nombre" => "Miguel Pichipillán S", "fecha" => "02/09/2015", "estado" => "M/Sal", "count_ent" => 0, "count_sal" => 0 ), ); foreach ($list as $key => $value) { $estado = $value["estado"]; $fecha = $value["fecha"]; unset($value["estado"]); if (!isset($result[$fecha])) { $result[$fecha] = $value; } if ($estado === "M/Sal") { $result[$fecha]["count_sal"]++; } if ($estado === "M/Ent") { $result[$fecha]["count_ent"]++; } } var_dump($result);