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<?php abstract class Expression { protected function escapeStringLiteral(string $value): string { return 'never called'; } } trait ExpressionTrait { protected function escapeStringLiteral(string $value): string { return '\'' . str_replace('\'', '\'\'', $value) . '\''; } } class MyExpression extends Expression { use ExpressionTrait; } class TestExpression extends Expression { private Expression $dummyExpression; public function __construct(Expression $dummyExpression) { $this->dummyExpression = $dummyExpression; } #[\Override] protected function escapeStringLiteral(string $value): string { return $this->dummyExpression->escapeStringLiteral($value); } public function test(): void { var_dump($this->escapeStringLiteral('foo \' bar')); } }; class TestCl { public function test(): void { $exprNoRender = new TestExpression(new MyExpression()); $exprNoRender->test(); } } (new TestCl())->test();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   19     0  E >   DECLARE_CLASS                                                'myexpression', 'expression'
   55     1        NEW                                                  $0      'TestCl'
          2        DO_FCALL                                          0          
          3        INIT_METHOD_CALL                                             $0, 'test'
          4        DO_FCALL                                          0          
          5      > RETURN                                                       1

Class Expression:
Function escapestringliteral:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  escapeStringLiteral
number of ops:  4
compiled vars:  !0 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV                                                 !0      
    7     1      > RETURN                                                       'never+called'
    8     2*       VERIFY_RETURN_TYPE                                           
          3*     > RETURN                                                       null

End of function escapestringliteral

End of class Expression.

Class ExpressionTrait:
Function escapestringliteral:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  escapeStringLiteral
number of ops:  9
compiled vars:  !0 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   RECV                                                 !0      
   15     1        FRAMELESS_ICALL_3                str_replace         ~1      '%27', '%27%27'
          2        OP_DATA                                                      !0
          3        CONCAT                                               ~2      '%27', ~1
          4        CONCAT                                               ~3      ~2, '%27'
          5        VERIFY_RETURN_TYPE                                           ~3
          6      > RETURN                                                       ~3
   16     7*       VERIFY_RETURN_TYPE                                           
          8*     > RETURN                                                       null

End of function escapestringliteral

End of class ExpressionTrait.

Class MyExpression: [no user functions]
Class TestExpression:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  __construct
number of ops:  4
compiled vars:  !0 = $dummyExpression
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   28     0  E >   RECV                                                 !0      
   30     1        ASSIGN_OBJ                                                   'dummyExpression'
          2        OP_DATA                                                      !0
   31     3      > RETURN                                                       null

End of function __construct

Function escapestringliteral:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  escapeStringLiteral
number of ops:  9
compiled vars:  !0 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   34     0  E >   RECV                                                 !0      
   36     1        FETCH_OBJ_R                                          ~1      'dummyExpression'
          2        INIT_METHOD_CALL                                             ~1, 'escapeStringLiteral'
          3        SEND_VAR_EX                                                  !0
          4        DO_FCALL                                          0  $2      
          5        VERIFY_RETURN_TYPE                                           $2
          6      > RETURN                                                       $2
   37     7*       VERIFY_RETURN_TYPE                                           
          8*     > RETURN                                                       null

End of function escapestringliteral

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  test
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   41     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_METHOD_CALL                                             'escapeStringLiteral'
          2        SEND_VAL_EX                                                  'foo+%27+bar'
          3        DO_FCALL                                          0  $0      
          4        SEND_VAR                                                     $0
          5        DO_ICALL                                                     
   42     6      > RETURN                                                       null

End of function test

End of class TestExpression.

Class TestCl:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KI9eF
function name:  test
number of ops:  9
compiled vars:  !0 = $exprNoRender
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   49     0  E >   NEW                                                  $1      'TestExpression'
          1        NEW                                                  $2      'MyExpression'
          2        DO_FCALL                                          0          
          3        SEND_VAR_NO_REF_EX                                           $2
          4        DO_FCALL                                          0          
          5        ASSIGN                                                       !0, $1
   51     6        INIT_METHOD_CALL                                             !0, 'test'
          7        DO_FCALL                                          0          
   52     8      > RETURN                                                       null

End of function test

End of class TestCl.

Generated using Vulcan Logic Dumper, using php 8.5.0


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