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<?php function increment(&$var) { echo 'Variable with value '.$var.' has been passed.'.PHP_EOL; $var++; } $a = 1; call_user_func_array('increment', [$a]); echo $a."\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/erHl3
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 1
   10     1        INIT_FCALL                                               'increment'
          2        INIT_ARRAY                                       ~2      !0
          3        SEND_ARRAY                                               ~2
          4        CHECK_UNDEF_ARGS                                         
          5        DO_FCALL                                      0          
   11     6        CONCAT                                           ~4      !0, '%0A'
          7        ECHO                                                     ~4
          8      > RETURN                                                   1

Function increment:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/erHl3
function name:  increment
number of ops:  7
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        CONCAT                                           ~1      'Variable+with+value+', !0
          2        CONCAT                                           ~2      ~1, '+has+been+passed.'
          3        CONCAT                                           ~3      ~2, '%0A'
          4        ECHO                                                     ~3
    6     5        PRE_INC                                                  !0
    7     6      > RETURN                                                   null

End of function increment

Generated using Vulcan Logic Dumper, using php 8.0.0


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