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  1. <?php
  2.  
  3. if(!function_exists('mb_ucfirst'))
  4. {
  5.     function mb_ucfirst($string, $enc = 'UTF-8')
  6.     {
  7.         return mb_strtoupper(mb_substr($string, 0, 1, $enc), $enc) .
  8.             mb_substr($string, 1, mb_strlen($string, $enc), $enc);
  9.     }
  10. }
  11. function sentence_case($string) { 
  12.     $sentences = preg_split('/([.?!]+)/', $string, -1, PREG_SPLIT_NO_EMPTY|PREG_SPLIT_DELIM_CAPTURE); 
  13.     $new_string = ''; 
  14.     foreach ($sentences as $key => $sentence) { 
  15.         $new_string .= ($key & 1) == 0? 
  16.             mb_ucfirst(strtolower(trim($sentence))) : 
  17.             $sentence.' '; 
  18.     } 
  19.     return trim($new_string); 
  20. }
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https://ideone.com/FLycbZ
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
public

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