<?php
// tri=total_remaining_ingredients ;)
$arr = array(
  'tri' => array(
    2, 3, 10
  ),
  'idrecipe' => array(
    8, 10, 9
  ),
  'value' => array(
    1, 1, 1
  )
);

$result = array();
$count = count($arr['tri']);

for ($i=0; $i<$count; $i++)
{
  $result[] = array(
    'tri' => $arr['tri'][$i],
    'idrecipe' => $arr['idrecipe'][$i],
    'value' => $arr['value'][$i]
  );
}

print_r($arr);
print_r($result);

Array
(
    [tri] => Array
        (
            [0] => 2
            [1] => 3
            [2] => 10
        )

    [idrecipe] => Array
        (
            [0] => 8
            [1] => 10
            [2] => 9
        )

    [value] => Array
        (
            [0] => 1
            [1] => 1
            [2] => 1
        )

)
Array
(
    [0] => Array
        (
            [tri] => 2
            [idrecipe] => 8
            [value] => 1
        )

    [1] => Array
        (
            [tri] => 3
            [idrecipe] => 10
            [value] => 1
        )

    [2] => Array
        (
            [tri] => 10
            [idrecipe] => 9
            [value] => 1
        )

)