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<?php $a = array('a','b'); $b = array('c','d'); $c = array_merge($a,$b); echo $c; $d = array(0=>'e',1=>'f'); $c = array_merge($c,$d); echo $c;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/B7ivk
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    4     2        INIT_FCALL                                               'array_merge'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                         $6      
          6        ASSIGN                                                   !2, $6
    5     7        ECHO                                                     !2
    6     8        ASSIGN                                                   !3, <array>
    7     9        INIT_FCALL                                               'array_merge'
         10        SEND_VAR                                                 !2
         11        SEND_VAR                                                 !3
         12        DO_ICALL                                         $9      
         13        ASSIGN                                                   !2, $9
    8    14        ECHO                                                     !2
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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