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<?php $arr = [ 0 => [ 0 => 123, 1 => 108, 2 => 58, 3 => 23, ], 1 => [ 0 => 93, 1 => 94, 2 => 95, 3 => 172, 4 => 30, ], 2 => [ 0 => 109, 1 => 81, 2 => 79, 3 => 155, ], ]; $result = array_merge(...$arr); print_r($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/acdvF
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   27     1        INIT_FCALL                                               'array_merge'
          2        SEND_UNPACK                                              !0
          3        CHECK_UNDEF_ARGS                                         
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
   28     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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