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<?php error_reporting(~0); function foo(&$a) {} function bar() { return 1; } function &baz() { $a = 1; return $a; } echo "bar\n"; foo(bar()); // STRICT echo "baz\n"; foo(baz()); // Not strict echo "scalar\n"; foo(1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lPf5b
function name:  (null)
number of ops:  20
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        ECHO                                                     'bar%0A'
    9     4        INIT_FCALL                                               'foo'
          5        INIT_FCALL                                               'bar'
          6        DO_FCALL                                      0  $1      
          7        SEND_VAR_NO_REF                               0          $1
          8        DO_FCALL                                      0          
   10     9        ECHO                                                     'baz%0A'
   11    10        INIT_FCALL                                               'foo'
         11        INIT_FCALL                                               'baz'
         12        DO_FCALL                                      0  $3      
         13        SEND_VAR_NO_REF                               0          $3
         14        DO_FCALL                                      0          
   12    15        ECHO                                                     'scalar%0A'
   13    16        INIT_FCALL                                               'foo'
         17        SEND_VAL_EX                                              1
         18        DO_FCALL                                      0          
         19      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lPf5b
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/lPf5b
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/lPf5b
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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