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<?php echo "Our array:\n"; $arr = [ 1, 2, 3 ]; var_dump($arr); echo "First unshift\n"; echo array_unshift($arr, 0), "\n"; var_dump($arr); echo "Shift\n"; echo array_shift($arr), "\n"; var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8s2tY
function name:  (null)
number of ops:  25
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ECHO                                                     'Our+array%3A%0A'
    4     1        ASSIGN                                                   !0, <array>
    5     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    7     5        ECHO                                                     'First+unshift%0A'
    8     6        INIT_FCALL                                               'array_unshift'
          7        SEND_REF                                                 !0
          8        SEND_VAL                                                 0
          9        DO_ICALL                                         $3      
         10        ECHO                                                     $3
         11        ECHO                                                     '%0A'
    9    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
   11    15        ECHO                                                     'Shift%0A'
   12    16        INIT_FCALL                                               'array_shift'
         17        SEND_REF                                                 !0
         18        DO_ICALL                                         $5      
         19        ECHO                                                     $5
         20        ECHO                                                     '%0A'
   13    21        INIT_FCALL                                               'var_dump'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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