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<?php $chars = ["a", "b", "c"]; var_export( array_merge( ...array_map( null, $chars, $chars, $chars ) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I8Xrk
function name:  (null)
number of ops:  15
compiled vars:  !0 = $chars
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_export'
    5     2        INIT_FCALL                                               'array_merge'
    6     3        INIT_FCALL                                               'array_map'
    7     4        SEND_VAL                                                 null
    8     5        SEND_VAR                                                 !0
    9     6        SEND_VAR                                                 !0
   10     7        SEND_VAR                                                 !0
    6     8        DO_ICALL                                         $2      
   10     9        SEND_UNPACK                                              $2
         10        CHECK_UNDEF_ARGS                                         
    5    11        DO_ICALL                                         $3      
   10    12        SEND_VAR                                                 $3
    4    13        DO_ICALL                                                 
   13    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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