CODEWITHSUNDEEP
phparrayschunking
Preys
Preys

Reputation: 103

Chunking array in new arrays starting at each word of the array

How can I chunk an array in new arrays starting with each word of the original array? So the first word of each array should be the second word of the previous array.

for example

$list(1=>we, 2=>have, 3=>a, 4=>good, 5=>day);

Using array_chunk would give as new arrays (we, have), (a, good), (day, and) and so on.. But I want

$newList(0=>(we, have), 1=>(have, a), 2=>(a, good), 3=>(good, day));

Upvotes: 0

Views: 100

Answers (2)

Peter Ajtai
Peter Ajtai

Reputation: 57695

Another way:

<?php        
foreach ($list as $key => $word) {
    if ($key < count($list) - 1) $newlist[$key][]   = $word;
    if ($key > 0)                $newlist[$key-1][] = $word;
}
?>

Upvotes: 0

Dan Grossman
Dan Grossman

Reputation: 52372

for ($i = 0; $i < count($list) - 2; $i++) {
  $newList[] = array($list[$i], $list[$i+1]);
}

Upvotes: 3

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