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  1. <?php
  2.  
  3. $s = '1234567890';
  4. if (preg_match('~\A\d+\z~', $s)) { // if a string is all digits
  5.     print_r(str_split($s));         // Split it into chars
  6. }
Success #stdin #stdout 0.01s 23544KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
    [5] => 6
    [6] => 7
    [7] => 8
    [8] => 9
    [9] => 0
)
https://ideone.com/CIEj3p
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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