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<?php function transpose($array) { array_unshift($array, null); return call_user_func_array('array_map', $array); } $foo = array( 1 => 'a1', 2 => 'a2', 3 => 'a3' ); var_dump(transpose($foo));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAXh3
function name:  (null)
number of ops:  8
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, <array>
   13     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'transpose'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function transpose:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAXh3
function name:  transpose
number of ops:  11
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        INIT_FCALL                                               'array_unshift'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 null
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'array_map'
          6        SEND_ARRAY                                               !0
          7        CHECK_UNDEF_ARGS                                         
          8        DO_FCALL                                      0  $2      
          9      > RETURN                                                   $2
    5    10*     > RETURN                                                   null

End of function transpose

Generated using Vulcan Logic Dumper, using php 8.0.0


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