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  1. <?php
  2.  
  3. $matrix = [
  4.     [1, 2, 3],
  5.     [4, 5, 6], 
  6.     [7, 8, 9],
  7. ];
  8.  
  9. array_unshift($matrix, null);
  10. $matrix = call_user_func_array('array_map', $matrix);
  11. $matrix = array_map('array_reverse', $matrix);
  12. var_dump($matrix);
  13.  
Success #stdin #stdout 0.01s 24448KB
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Standard input is empty
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array(3) {
  [0]=>
  array(3) {
    [0]=>
    int(7)
    [1]=>
    int(4)
    [2]=>
    int(1)
  }
  [1]=>
  array(3) {
    [0]=>
    int(8)
    [1]=>
    int(5)
    [2]=>
    int(2)
  }
  [2]=>
  array(3) {
    [0]=>
    int(9)
    [1]=>
    int(6)
    [2]=>
    int(3)
  }
}
https://ideone.com/s52blS
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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