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<?php $array = ['foo']; array_unshift($array, 'bar'); array_unshift($array, 'baz'); var_dump($array); $array = ['foo']; array_unshift($array, 'bar', 'baz'); var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uXNp7
function name:  (null)
number of ops:  22
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_unshift'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'bar'
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'array_unshift'
          6        SEND_REF                                                 !0
          7        SEND_VAL                                                 'baz'
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
    8    12        ASSIGN                                                   !0, <array>
    9    13        INIT_FCALL                                               'array_unshift'
         14        SEND_REF                                                 !0
         15        SEND_VAL                                                 'bar'
         16        SEND_VAL                                                 'baz'
         17        DO_ICALL                                                 
   10    18        INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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