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  1. <?php
  2.  
  3. error_reporting(-1);
  4. mb_internal_encoding('udf-8');
  5.  
  6.  
  7. $text = "А роза упала на лапу Азора";
  8. $result ='палиндром';
  9.  
  10. $text = str_replace(" ","",$text); 
  11.  
  12. echo mb_strtolower($text);
Runtime error #stdin #stdout #stderr 0.02s 23620KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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PHP Fatal error:  Uncaught Error: Call to undefined function mb_internal_encoding() in /home/tWHZOz/prog.php:4
Stack trace:
#0 {main}
  thrown in /home/tWHZOz/prog.php on line 4
https://ideone.com/4ARugv
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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