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  1. <?php
  2.  
  3. var_dump(
  4.     json_encode("\xC0\x40"),
  5.     json_encode("\x40")
  6. );
Success #stdin #stdout #stderr 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
string(4) "null"
string(3) ""@""
stderr 
PHP Warning:  json_encode(): Invalid UTF-8 sequence in argument in /home/GN8eBJ/prog.php on line 4
https://ideone.com/ShmTQa
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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