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<?php $a = [1,2,3,4,5]; function array_pop_unshift($array) { array_unshift($array, array_pop($array)); return $array; } print_r(array_pop_unshift($a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CoJZZ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'print_r'
          2        INIT_FCALL                                               'array_pop_unshift'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

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

End of function array_pop_unshift

Generated using Vulcan Logic Dumper, using php 8.0.0


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