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<?php var_dump(iconv_substr("a\x00b\x00", 0, 1, 'UTF-16LE')); var_dump(iconv_substr("\x00a\x00b", 0, 1, 'UTF-16BE'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/C9im4
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL_BY_NAME                                       'iconv_substr'
          2        SEND_VAL_EX                                              'a%00b%00'
          3        SEND_VAL_EX                                              0
          4        SEND_VAL_EX                                              1
          5        SEND_VAL_EX                                              'UTF-16LE'
          6        DO_FCALL                                      0  $0      
          7        SEND_VAR                                                 $0
          8        DO_ICALL                                                 
    4     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL_BY_NAME                                       'iconv_substr'
         11        SEND_VAL_EX                                              '%00a%00b'
         12        SEND_VAL_EX                                              0
         13        SEND_VAL_EX                                              1
         14        SEND_VAL_EX                                              'UTF-16BE'
         15        DO_FCALL                                      0  $2      
         16        SEND_VAR                                                 $2
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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