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<?php $str = "00002FB4"; echo floatval(hex2bin($str)); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/j7ZUJ
function name:  (null)
number of ops:  7
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '00002FB4'
    3     1        INIT_FCALL                                               'hex2bin'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        CAST                                          5  ~3      $2
          5        ECHO                                                     ~3
    4     6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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