This example shows the usage of Group process
| item | cost |
|---|---|
| Accessories | $3,000 |
| Human Resource | $20,000 |
| Material | $50,000 |
| Machine | $30,000 |
| Accessories | $5,000 |
| Machine | $10,000 |
| Material | $20,000 |
->pipe(new Group(array(
"by"=>"item",
"sum"=>"cost",
)))
| item | cost |
|---|---|
| Accessories | $8,000 |
| Human Resource | $20,000 |
| Machine | $40,000 |
| Material | $70,000 |