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<?php $a = 'time'; $b = 'more'; $array = compact( array( 'a', 'b' ) ); var_dump($array); var_dump($array['a']); echo PHP_EOL; $array = compact( 'a', 'b' ); var_dump($array); var_dump($array['a']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5WRUs
function name:  (null)
number of ops:  27
compiled vars:  !0 = $a, !1 = $b, !2 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'time'
    4     1        ASSIGN                                                   !1, 'more'
    6     2        INIT_FCALL                                               'compact'
          3        SEND_VAL                                                 <array>
          4        DO_ICALL                                         $5      
          5        ASSIGN                                                   !2, $5
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !2
          8        DO_ICALL                                                 
    8     9        INIT_FCALL                                               'var_dump'
         10        FETCH_DIM_R                                      ~8      !2, 'a'
         11        SEND_VAL                                                 ~8
         12        DO_ICALL                                                 
    9    13        ECHO                                                     '%0A'
   11    14        INIT_FCALL                                               'compact'
         15        SEND_VAL                                                 'a'
         16        SEND_VAL                                                 'b'
         17        DO_ICALL                                         $10     
         18        ASSIGN                                                   !2, $10
   13    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !2
         21        DO_ICALL                                                 
   14    22        INIT_FCALL                                               'var_dump'
         23        FETCH_DIM_R                                      ~13     !2, 'a'
         24        SEND_VAL                                                 ~13
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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