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<?php $res = array( array('a'=>'aa','b'=>'bb'), array('a'=>'aaa','b'=>'bbb') ); $res += array( array('a'=>'a','b'=>'b') ); var_dump($res); $res += array( array('a'=>'aa','b'=>'bb') );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/W8BGg
function name:  (null)
number of ops:  7
compiled vars:  !0 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN_OP                                     1          !0, <array>
   12     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
   14     5        ASSIGN_OP                                     1          !0, <array>
   15     6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0

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