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<?php error_reporting(E_ALL); function foo (&$x) { $x = 2; } foo($xizzy); echo $xizzy;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HDDP0
function name:  (null)
number of ops:  8
compiled vars:  !0 = $xizzy
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 32767
          2        DO_ICALL                                                 
    9     3        INIT_FCALL                                               'foo'
          4        SEND_REF                                                 !0
          5        DO_FCALL                                      0          
   11     6        ECHO                                                     !0
          7      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HDDP0
function name:  foo
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ASSIGN                                                   !0, 2
    7     2      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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