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<?php class Database { protected static $instance; protected $pdo; protected function __construct() { $this->pdo = new PDO('sqlite::memory:'); } public static function instance() { if (null === self::$instance) { self::$instance = new self; } return self::$instance; } /** * @return PDOStatement|false */ public function run($sql, $args = []) { if (!$args) { return $this->query($sql); } if ($stmt = $this->prepare($sql)) { if ($stmt->execute($args)) { return $stmt; } } return false; } public function __call($method, $args) { if (is_callable([$this->pdo, $method])) { //php 5.6+ variadic optimization (aka splat operator) return $this->pdo->$method(...$args); //PHP <= 5.5 //return call_user_func_array(array($this->pdo, $method), $args); } throw new \BadMethodCallException(sprintf('Unknown method PDO::%s called!', $method)); } } //RunTime code $db = Database::instance(); var_dump($db->run('SELECT ?', ['foo', 'bar'])); //false
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OnDdn
function name:  (null)
number of ops:  11
compiled vars:  !0 = $db
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   53     0  E >   INIT_STATIC_METHOD_CALL                                      'Database', 'instance'
          1        DO_FCALL                                          0  $1      
          2        ASSIGN                                                       !0, $1
   54     3        INIT_FCALL                                                   'var_dump'
          4        INIT_METHOD_CALL                                             !0, 'run'
          5        SEND_VAL_EX                                                  'SELECT+%3F'
          6        SEND_VAL_EX                                                  <array>
          7        DO_FCALL                                          0  $3      
          8        SEND_VAR                                                     $3
          9        DO_ICALL                                                     
         10      > RETURN                                                       1

Class Database:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OnDdn
function name:  __construct
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   10     0  E >   NEW                                                  $1      'PDO'
          1        SEND_VAL_EX                                                  'sqlite%3A%3Amemory%3A'
          2        DO_FCALL                                          0          
          3        ASSIGN_OBJ                                                   'pdo'
          4        OP_DATA                                                      $1
   11     5      > RETURN                                                       null

End of function __construct

Function instance:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/OnDdn
function name:  instance
number of ops:  10
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   FETCH_STATIC_PROP_R              unknown             ~0      'instance'
          1        TYPE_CHECK                                        2          ~0
          2      > JMPZ                                                         ~1, ->7
   16     3    >   NEW                              self                $3      
          4        DO_FCALL                                          0          
          5        ASSIGN_STATIC_PROP                                           'instance'
          6        OP_DATA                                                      $3
   19     7    >   FETCH_STATIC_PROP_R              unknown             ~5      'instance'
          8      > RETURN                                                       ~5
   20     9*     > RETURN                                                       null

End of function instance

Function run:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 18
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 18
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/OnDdn
function name:  run
number of ops:  20
compiled vars:  !0 = $sql, !1 = $args, !2 = $stmt
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   25     0  E >   RECV                                                 !0      
          1        RECV_INIT                                            !1      <array>
   27     2        BOOL_NOT                                             ~3      !1
          3      > JMPZ                                                         ~3, ->8
   28     4    >   INIT_METHOD_CALL                                             'query'
          5        SEND_VAR_EX                                                  !0
          6        DO_FCALL                                          0  $4      
          7      > RETURN                                                       $4
   30     8    >   INIT_METHOD_CALL                                             'prepare'
          9        SEND_VAR_EX                                                  !0
         10        DO_FCALL                                          0  $5      
         11        ASSIGN                                               ~6      !2, $5
         12      > JMPZ                                                         ~6, ->18
   31    13    >   INIT_METHOD_CALL                                             !2, 'execute'
         14        SEND_VAR_EX                                                  !1
         15        DO_FCALL                                          0  $7      
         16      > JMPZ                                                         $7, ->18
   32    17    > > RETURN                                                       !2
   36    18    > > RETURN                                                       <false>
   37    19*     > RETURN                                                       null

End of function run

Function __call:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 15
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/OnDdn
function name:  __call
number of ops:  23
compiled vars:  !0 = $method, !1 = $args
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   39     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
   41     2        INIT_FCALL                                                   'is_callable'
          3        FETCH_OBJ_R                                          ~2      'pdo'
          4        INIT_ARRAY                                           ~3      ~2
          5        ADD_ARRAY_ELEMENT                                    ~3      !0
          6        SEND_VAL                                                     ~3
          7        DO_ICALL                                             $4      
          8      > JMPZ                                                         $4, ->15
   43     9    >   FETCH_OBJ_R                                          ~5      'pdo'
         10        INIT_METHOD_CALL                                             ~5, !0
         11        SEND_UNPACK                                                  !1
         12        CHECK_UNDEF_ARGS                                             
         13        DO_FCALL                                          1  $6      
         14      > RETURN                                                       $6
   47    15    >   NEW                                                  $7      'BadMethodCallException'
         16        ROPE_INIT                                         3  ~9      'Unknown+method+PDO%3A%3A'
         17        ROPE_ADD                                          1  ~9      ~9, !0
         18        ROPE_END                                          2  ~8      ~9, '+called%21'
         19        SEND_VAL_EX                                                  ~8
         20        DO_FCALL                                          0          
         21      > THROW                                             0          $7
   48    22*     > RETURN                                                       null

End of function __call

End of class Database.

Generated using Vulcan Logic Dumper, using php 8.5.0


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