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  1. <?php
  2. $dynamic_columns = [];
  3. for($i = 48;$i <= (48 + 26); $i++){
  4.     $dynamic_columns[] = chr($i); 
  5. }
  6. echo '<pre>';
  7. print_r($dynamic_columns);
  8.  
  9. ?>
  10.  
Success #stdin #stdout 0.02s 24568KB
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stdin
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Standard input is empty
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<pre>Array
(
    [0] => 0
    [1] => 1
    [2] => 2
    [3] => 3
    [4] => 4
    [5] => 5
    [6] => 6
    [7] => 7
    [8] => 8
    [9] => 9
    [10] => :
    [11] => ;
    [12] => <
    [13] => =
    [14] => >
    [15] => ?
    [16] => @
    [17] => A
    [18] => B
    [19] => C
    [20] => D
    [21] => E
    [22] => F
    [23] => G
    [24] => H
    [25] => I
    [26] => J
)
https://ideone.com/6pSL5Q
language:
PHP (php 7.3.5)
created:
4 years ago
visibility:
public

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