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<?php function test($var) { $GLOBALS['a']++; echo $var; } $a = 0; debug_zval_dump($a); test($a); debug_zval_dump($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9NUUr
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 0
   10     1        INIT_FCALL                                               'debug_zval_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   11     4        INIT_FCALL                                               'test'
          5        SEND_VAR                                                 !0
          6        DO_FCALL                                      0          
   12     7        INIT_FCALL                                               'debug_zval_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9NUUr
function name:  test
number of ops:  6
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        FETCH_RW                     global              $1      'GLOBALS'
          2        FETCH_DIM_RW                                     $2      $1, 'a'
          3        PRE_INC                                                  $2
    6     4        ECHO                                                     !0
    7     5      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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