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<?php define("CURRENCY_LOOKUP", [ 'AUD' => 'Australian Dollar', 'USD' => 'US Dollar', 'GBP' => 'Pound Sterling', 'EUR' => 'Euro', ]); $currency['title'] = 'JPY'; echo CURRENCY_LOOKUP[$currency['title']] ?? $currency['title']; echo "\n---\n"; $currency['title'] = 'GBP'; echo CURRENCY_LOOKUP[$currency['title']] ?? $currency['title'];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i4I05
function name:  (null)
number of ops:  24
compiled vars:  !0 = $currency
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'CURRENCY_LOOKUP'
    5     2        SEND_VAL                                                 <array>
    4     3        DO_ICALL                                                 
   11     4        ASSIGN_DIM                                               !0, 'title'
          5        OP_DATA                                                  'JPY'
   12     6        FETCH_CONSTANT                                   ~3      'CURRENCY_LOOKUP'
          7        FETCH_DIM_R                                      ~4      !0, 'title'
          8        FETCH_DIM_IS                                     ~5      ~3, ~4
          9        COALESCE                                         ~6      ~5
         10        FETCH_DIM_R                                      ~7      !0, 'title'
         11        QM_ASSIGN                                        ~6      ~7
         12        ECHO                                                     ~6
   14    13        ECHO                                                     '%0A---%0A'
   16    14        ASSIGN_DIM                                               !0, 'title'
         15        OP_DATA                                                  'GBP'
   17    16        FETCH_CONSTANT                                   ~9      'CURRENCY_LOOKUP'
         17        FETCH_DIM_R                                      ~10     !0, 'title'
         18        FETCH_DIM_IS                                     ~11     ~9, ~10
         19        COALESCE                                         ~12     ~11
         20        FETCH_DIM_R                                      ~13     !0, 'title'
         21        QM_ASSIGN                                        ~12     ~13
         22        ECHO                                                     ~12
         23      > RETURN                                                   1

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