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<?php namespace WebSharks\Challenge; $a = ['patdumona', 'kristinedp', 'raamdes', 'renzmp', 'reedysete']; $r = range('D','Z',3); echo implode(substr_replace($a,$r +=4 ,-1))."\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kBZHb
function name:  (null)
number of ops:  19
compiled vars:  !0 = $a, !1 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_NS_FCALL_BY_NAME                                    'WebSharks%5CChallenge%5Crange'
          2        SEND_VAL_EX                                              'D'
          3        SEND_VAL_EX                                              'Z'
          4        SEND_VAL_EX                                              3
          5        DO_FCALL                                      0  $3      
          6        ASSIGN                                                   !1, $3
    7     7        INIT_NS_FCALL_BY_NAME                                    'WebSharks%5CChallenge%5Cimplode'
          8        INIT_NS_FCALL_BY_NAME                                    'WebSharks%5CChallenge%5Csubstr_replace'
          9        SEND_VAR_EX                                              !0
         10        ASSIGN_OP                                     1  ~5      !1, 4
         11        SEND_VAL_EX                                              ~5
         12        SEND_VAL_EX                                              -1
         13        DO_FCALL                                      0  $6      
         14        SEND_VAR_NO_REF_EX                                       $6
         15        DO_FCALL                                      0  $7      
         16        CONCAT                                           ~8      $7, '%0A'
         17        ECHO                                                     ~8
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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