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  1. <?php
  2. $subject = '[[delay-4]]Welcome! [[delay-2]]Do you have some questions for us?[[delay-1]] Please fill input field!';
  3. $result = preg_replace('/\s*(\[\[delay-\d+]])/i', "\n$1", $subject);
  4. $result = preg_split('/\n/i', $result, -1, PREG_SPLIT_NO_EMPTY);
  5. var_dump($result);
Success #stdin #stdout 0.04s 24088KB
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Standard input is empty
stdout
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array(3) {
  [0]=>
  string(19) "[[delay-4]]Welcome!"
  [1]=>
  string(45) "[[delay-2]]Do you have some questions for us?"
  [2]=>
  string(36) "[[delay-1]] Please fill input field!"
}
https://ideone.com/Z5tZI3
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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