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<?php $foo = array( 'a' => array( 1 => 'a1', 2 => 'a2', 3 => 'a3' ), 'b' => array( 1 => 'b1', 2 => 'b2', 3 => 'b3' ), 'c' => array( 1 => 'c1', 2 => 'c2', 3 => 'c3' ) ); var_export(array_map(null, ...$foo));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/koHhn
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   21     1        INIT_FCALL                                               'var_export'
          2        INIT_FCALL                                               'array_map'
          3        SEND_VAL                                                 null
          4        SEND_UNPACK                                              !0
          5        CHECK_UNDEF_ARGS                                         
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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