Separate array by a certain value

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I have an array with the jump number and its value. I need to count the value of the jump until it reaches 4.00. And continue this count until the end of the jump.

salto   1   =>  2,00
salto   2   =>  2,00
salto   3   =>  2,00
salto   4   =>  2,00
salto   5   =>  2,00
salto   6   =>  2,00
salto   7   =>  2,00
salto   8   =>  2,00
salto   9   =>  2,00
salto   10  =>  2,00

The final result should be:

Salto 2 => 4,00
Salto 4 => 4,00
Salto 6 => 4,00
Salto 8 => 4,00
Salto 10 => 4,00

This is only a basis for understanding, the number of jumps can vary and the value tbm can.

php array
  • 1

    But this jump is using either total or two in two or something else? What do you take into account to know the timing of the jump?

  • 1

    Can you give a better example? that one didn’t make much sense. Why The jumps went to the value 4? How would be calculated this value?

  • for example: jump 1 and jump 2, adding their values gives 4, then the value 4 was in jump 2.

  • But always add 2 to 2 jumps ?

1 answer

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Just make a foreach adding up the previous values until it reaches 4:

// Seu array:
$arr = array_fill(1, 10, 2);

$total = 0;     
foreach($arr as $i => $item){
    $total += $item;

    if($total >= 4){
        $narr[$i] = $total;
        $total = 0;
    }
}

Result (using var_dump($narr)):

array(5) {
  [2]=>
  int(4)
  [4]=>
  int(4)
  [6]=>
  int(4)
  [8]=>
  int(4)
  [10]=>
  int(4)
}

If this is really the "jump" has no special meaning, it’s just some key, from 1 until 10.

  • humm...array_fill, I’ll implement here to see if you arrive at the result I want...for now obg.. then I’ll come back to say if it worked really well.

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