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<?php $def = array( 1 => 'on', 2 => 'on', 3 => 'on'); $fill = array( 2 => 'off' ); $res = array_merge($fill, $def); print_r($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9iXoa
function name:  (null)
number of ops:  11
compiled vars:  !0 = $def, !1 = $fill, !2 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    7     1        ASSIGN                                                   !1, <array>
   12     2        INIT_FCALL                                               'array_merge'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !2, $5
   14     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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