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<?php $str = 'zażółć gęśla jaźń'; echo json_escape($str).PHP_EOL; echo json_escape($str, JSON_UNESCAPED_UNICODE).PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Sbr6K
function name:  (null)
number of ops:  13
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'za%C5%BC%C3%B3%C5%82%C4%87+g%C4%99%C5%9Bla+ja%C5%BA%C5%84'
    5     1        INIT_FCALL_BY_NAME                                       'json_escape'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0  $2      
          4        CONCAT                                           ~3      $2, '%0A'
          5        ECHO                                                     ~3
    6     6        INIT_FCALL_BY_NAME                                       'json_escape'
          7        SEND_VAR_EX                                              !0
          8        SEND_VAL_EX                                              256
          9        DO_FCALL                                      0  $4      
         10        CONCAT                                           ~5      $4, '%0A'
         11        ECHO                                                     ~5
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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