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<?php $a = [ 'color' => 'red', 'taste' => 'sweet', 'shape' => 'round', 'name' => 'apple' ]; $a += ['myKey' => 'foo']; // this is added because the key doesn't exist $a += ['shape' => 'bar']; // this is ignored because the already key exists $a += ['zero']; // this is added because the 0 key doesn't exist $a += ['not zero']; // this is ignored because the 0 key already exists var_export($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/scNOR
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN_OP                                     1          !0, <array>
   12     2        ASSIGN_OP                                     1          !0, <array>
   14     3        ASSIGN_OP                                     1          !0, <array>
   15     4        ASSIGN_OP                                     1          !0, <array>
   17     5        INIT_FCALL                                               'var_export'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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