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<?php $a = array(0 => 'a', 1 => 'b', 2 => 'c'); $b = array(1 => 'G', 2 => 'L'); var_dump($b + $a); var_dump(array_merge($b, $a)); var_dump(array_merge($a, $b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JekUI
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'var_dump'
          3        ADD                                              ~4      !1, !0
          4        SEND_VAL                                                 ~4
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'array_merge'
          8        SEND_VAR                                                 !1
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $6      
         11        SEND_VAR                                                 $6
         12        DO_ICALL                                                 
    9    13        INIT_FCALL                                               'var_dump'
         14        INIT_FCALL                                               'array_merge'
         15        SEND_VAR                                                 !0
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                         $8      
         18        SEND_VAR                                                 $8
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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