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  1. <?php
  2.  
  3. $string= 'SABIÑA CERCA';
  4.  
  5. echo  preg_replace_callback('/\w+/u', 
  6.  
  7. create_function('$m','
  8.  
  9. var_dump($m);
  10. if(strlen($m[0]) > 3)
  11. {
  12.     return mb_convert_case($m[0], MB_CASE_TITLE, "UTF-8");
  13. }
  14. else
  15. {
  16.     return ucfirst($m[0]);
  17. }')
  18. , $string);
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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array(1) {
  [0]=>
  string(7) "SABIÑA"
}
array(1) {
  [0]=>
  string(5) "CERCA"
}
Sabiña Cerca
https://ideone.com/8Z56XA
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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