Useful when having to insert a large set of data in chunks to a databse:

<?php
$numbers=array (
  '1',
  '2',
  '3',
  '4',
  '5',
  '6',
  '7',
  '8',
  '9',
  '10',
  '11',
);

$output = array();

foreach($numbers as $i=>$number)
{
    $output[]= $number;

    if(($i+1) % 3  == 0 || $i==count($numbers)-1)//last key
    {
        var_dump($output);
        $output=array();
    }
}

The above outputs:

array(3) {
  [0]=>
  string(1) "1"
  [1]=>
  string(1) "2"
  [2]=>
  string(1) "3"
}
array(3) {
  [0]=>
  string(1) "4"
  [1]=>
  string(1) "5"
  [2]=>
  string(1) "6"
}
array(3) {
  [0]=>
  string(1) "7"
  [1]=>
  string(1) "8"
  [2]=>
  string(1) "9"
}
array(2) {
  [0]=>
  string(2) "10"
  [1]=>
  string(2) "11"
}

http://stackoverflow.com/questions/3549 ... -iteration

Thank you very much for your time !!!!!!

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