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<?php $ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($ivSize, MCRYPT_DEV_URANDOM); // echo $ivSize; // echo $iv; echo strlen($iv);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IDOdO
function name:  (null)
number of ops:  16
compiled vars:  !0 = $ivSize, !1 = $iv
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
          1        FETCH_CONSTANT                                   ~2      'MCRYPT_RIJNDAEL_128'
          2        SEND_VAL_EX                                              ~2
          3        FETCH_CONSTANT                                   ~3      'MCRYPT_MODE_CBC'
          4        SEND_VAL_EX                                              ~3
          5        DO_FCALL                                      0  $4      
          6        ASSIGN                                                   !0, $4
    4     7        INIT_FCALL_BY_NAME                                       'mcrypt_create_iv'
          8        SEND_VAR_EX                                              !0
          9        FETCH_CONSTANT                                   ~6      'MCRYPT_DEV_URANDOM'
         10        SEND_VAL_EX                                              ~6
         11        DO_FCALL                                      0  $7      
         12        ASSIGN                                                   !1, $7
    7    13        STRLEN                                           ~9      !1
         14        ECHO                                                     ~9
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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