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<?php error_reporting(~0); function foo(&$a) {} function bar() { return 1; } function &baz() { $a = 1; return $a; } foo(bar()); // STRICT foo(baz()); // Not strict
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5C5sR
function name:  (null)
number of ops:  14
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                                 
    8     3        INIT_FCALL                                               'foo'
          4        INIT_FCALL                                               'bar'
          5        DO_FCALL                                      0  $1      
          6        SEND_VAR_NO_REF                               0          $1
          7        DO_FCALL                                      0          
    9     8        INIT_FCALL                                               'foo'
          9        INIT_FCALL                                               'baz'
         10        DO_FCALL                                      0  $3      
         11        SEND_VAR_NO_REF                               0          $3
         12        DO_FCALL                                      0          
         13      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5C5sR
function name:  foo
number of ops:  2
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5C5sR
function name:  bar
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   1
          1*     > RETURN                                                   null

End of function bar

Function baz:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/5C5sR
function name:  baz
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, 1
          1      > RETURN_BY_REF                                            !0
          2*     > RETURN_BY_REF                                            null

End of function baz

Generated using Vulcan Logic Dumper, using php 8.0.0


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