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<?php $defaults = ['ui' => ['editable' => true]]; var_dump(array_merge_recursive([ 'ui' => ['editable' => false], ], $defaults));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4Tgo8
function name:  (null)
number of ops:  9
compiled vars:  !0 = $defaults
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_merge_recursive'
    6     3        SEND_VAL                                                 <array>
    7     4        SEND_VAR                                                 !0
    5     5        DO_ICALL                                         $2      
    7     6        SEND_VAR                                                 $2
    5     7        DO_ICALL                                                 
    7     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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