How can I shift my first element of an array using PHP?

Question

I have an array store in this variable $month_g

dd($month_g);

I got

array:12 [▼
  0 => array:2 [▼
    "up_bytes" => 277664452
    "down_bytes" => 198868462
  ]
  1 => array:2 [▼
    "up_bytes" => 0
    "down_bytes" => 0
  ]
  2 => array:2 [▶]
  3 => array:2 [▶]
  4 => array:2 [▶]
  5 => array:2 [▶]
  6 => array:2 [▶]
  7 => array:2 [▶]
  8 => array:2 [▶]
  9 => array:2 [▶]
  10 => array:2 [▶]
  11 => array:2 [▶]
]

I'm hoping to achieve

array:12 [▼
  0 => array:2 [▼
    "up_bytes" => 0
    "down_bytes" => 0
  ]
  1 => array:2 [▼
    "up_bytes" => 277664452
    "down_bytes" => 198868462
  ]
  2 => array:2 [▶]
  3 => array:2 [▶]
  4 => array:2 [▶]
  5 => array:2 [▶]
  6 => array:2 [▶]
  7 => array:2 [▶]
  8 => array:2 [▶]
  9 => array:2 [▶]
  10 => array:2 [▶]
  11 => array:2 [▶]
]

I want to shift my 0 element to the second one. How do I do that in PHP ?

unset() and array_unshift() and done()

Rizier123
– Rizier123

2016-02-23 17:56:16 +00:00
Commented Feb 23, 2016 at 17:56 — Rizier123
– Rizier123, Commented Feb 23, 2016 at 17:56

martin · Accepted Answer · 2016-02-23 17:57:33Z

4

$temp = $a[0];
$a[0] = $a[1];
$a[1] = $temp;

answered Feb 23, 2016 at 17:57

martin

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Comments

micropro.cz · Accepted Answer · 2016-02-23 18:20:12Z

1

You can use one line solution like this:

$arr = array_combine(array(1, 0, 2), $arr);

Probably too fancy for that simple solution, but can be effective in larger swaps.

answered Feb 23, 2016 at 18:20

micropro.cz

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