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  1. <?php
  2. error_reporting(-1);
  3. mb_internal_encoding('utf-8');
  4.  
  5. $text = "bolshoy malenkiy hui";
  6. $strlen = mb_strlen($text);
  7.  
  8. function firstToUpper($text, $strlen){
  9.     $firstCharSub = mb_substr($text, 1,1);
  10.     $add = mb_substr($text, 1, $strlen);
  11.     $firstUpper = mb_strtoupper($firstCharSub);
  12.     $combined = "$firstUpper" . "$add";
  13. }
  14.  
  15. var_dump(firstToUpper($text, $strlen));
  16. ;
  17.  
  18. ?>
  19.  
Success #stdin #stdout 0.02s 24472KB
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stdin 
Standard input is empty
stdout 
NULL
https://ideone.com/5mlfK1
language:
PHP (php 7.3.5)
created:
4 years ago
visibility:
public

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