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<?php $data = ['name' => 'Lorenzo']; $name = $data[’name’] ?? "Default Name"; echo $name; // equivalente a $name = isset($data[’name’]) ? $data[’name’] : "Default Name"; echo $name;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 14
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SnCQY
function name:  (null)
number of ops:  18
compiled vars:  !0 = $data, !1 = $name
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, <array>
    4     1        FETCH_CONSTANT                                       ~3      '%E2%80%99name%E2%80%99'
          2        FETCH_DIM_IS                                         ~4      !0, ~3
          3        COALESCE                                             ~5      ~4
          4        QM_ASSIGN                                            ~5      'Default+Name'
          5        ASSIGN                                                       !1, ~5
    6     6        ECHO                                                         !1
    9     7        FETCH_CONSTANT                                       ~7      '%E2%80%99name%E2%80%99'
          8        ISSET_ISEMPTY_DIM_OBJ                             0          !0, ~7
          9      > JMPZ                                                         ~8, ->14
         10    >   FETCH_CONSTANT                                       ~9      '%E2%80%99name%E2%80%99'
         11        FETCH_DIM_R                                          ~10     !0, ~9
         12        QM_ASSIGN                                            ~11     ~10
         13      > JMP                                                          ->15
         14    >   QM_ASSIGN                                            ~11     'Default+Name'
         15    >   ASSIGN                                                       !1, ~11
   11    16        ECHO                                                         !1
         17      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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