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<?php $a = (binary)"AAA"; $b = array("AAA" => "BBB"); $c = strtr($a, $b); var_dump($a); var_dump($b); var_dump($c);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SXlG3
function name:  (null)
number of ops:  18
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   CAST                                          6  ~3      'AAA'
          1        ASSIGN                                                   !0, ~3
    4     2        ASSIGN                                                   !1, <array>
    5     3        INIT_FCALL                                               'strtr'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $6      
          7        ASSIGN                                                   !2, $6
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    7    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
    8    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !2
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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