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<?php function test($var) { echo "Testing: $var\n"; } class foo { var $baz = "test"; function bar( $str ) { if( is_callable( $this->baz )) { $this->baz( $str ); } } } $foo = new foo; $foo->bar("bla"); // fatal error
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GOLLd
function name:  (null)
number of ops:  7
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   NEW                                              $1      'foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   18     3        INIT_METHOD_CALL                                         !0, 'bar'
          4        SEND_VAL_EX                                              'bla'
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GOLLd
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      
    4     1        ROPE_INIT                                     3  ~2      'Testing%3A+'
          2        ROPE_ADD                                      1  ~2      ~2, !0
          3        ROPE_END                                      2  ~1      ~2, '%0A'
          4        ECHO                                                     ~1
    5     5      > RETURN                                                   null

End of function test

Class foo:
Function bar:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/GOLLd
function name:  bar
number of ops:  10
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'is_callable'
          2        FETCH_OBJ_R                                      ~1      'baz'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->9
   13     6    >   INIT_METHOD_CALL                                         'baz'
          7        SEND_VAR_EX                                              !0
          8        DO_FCALL                                      0          
   15     9    > > RETURN                                                   null

End of function bar

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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