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  1. <?php
  2.  
  3. $lines = array(1,2,3,4,5, 6, 7, 8, 9, 10);
  4. $allarr = array_chunk($lines, 3);
  5. var_dump($allarr);
  6.  
  7. foreach($allarr as $i => $chunks)
  8. {
  9.  
  10. $str = implode(",", $chunks);
  11. echo "$str\n";
  12. }
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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array(4) {
  [0]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
  [1]=>
  array(3) {
    [0]=>
    int(4)
    [1]=>
    int(5)
    [2]=>
    int(6)
  }
  [2]=>
  array(3) {
    [0]=>
    int(7)
    [1]=>
    int(8)
    [2]=>
    int(9)
  }
  [3]=>
  array(1) {
    [0]=>
    int(10)
  }
}
1,2,3
4,5,6
7,8,9
10
https://ideone.com/V1lcmZ
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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