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  1. <?php
  2. $text = "April fools day is 04/01/2002\n";
  3. // the callback function
  4. function next_year($matches)
  5. {
  6.   return "hello";
  7. }
  8. echo preg_replace_callback(
  9.             "|(\d{2}/\d{2}/)(\d{4})|",
  10.             "next_year",
  11.             $text);
Success #stdin #stdout 0.02s 52472KB
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April fools day is hello
https://ideone.com/k1xE5T
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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