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<?php function test($var) { debug_zval_dump($var); $GLOBALS['a']++; $GLOBALS['var']++; echo $var; echo $GLOBALS['a']; echo $GLOBALS['var']; } $a = 0; test($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jo3MB
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   ASSIGN                                                   !0, 0
   14     1        INIT_FCALL                                               'test'
          2        SEND_VAR                                                 !0
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jo3MB
function name:  test
number of ops:  18
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        INIT_FCALL                                               'debug_zval_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    6     4        FETCH_RW                     global              $2      'GLOBALS'
          5        FETCH_DIM_RW                                     $3      $2, 'a'
          6        PRE_INC                                                  $3
    7     7        FETCH_RW                     global              $5      'GLOBALS'
          8        FETCH_DIM_RW                                     $6      $5, 'var'
          9        PRE_INC                                                  $6
    8    10        ECHO                                                     !0
    9    11        FETCH_R                      global              ~8      'GLOBALS'
         12        FETCH_DIM_R                                      ~9      ~8, 'a'
         13        ECHO                                                     ~9
   10    14        FETCH_R                      global              ~10     'GLOBALS'
         15        FETCH_DIM_R                                      ~11     ~10, 'var'
         16        ECHO                                                     ~11
   11    17      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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