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<?php class Database { protected static $instance; protected $pdo; protected function __construct() { static $opt = [ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, ]; $this->pdo = new PDO('sqlite::memory:', null, null, $opt); } public static function instance() { if (null === self::$instance) { self::$instance = new self; } return self::$instance; } public function run($sql, $args = []) { if (!$args) { return $this->query($sql); } $stmt = $this->prepare($sql); $stmt->execute($args); return $stmt; } public function __call($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 if (PHP_VERSION_ID >= 70100) { try { $db = Database::instance(); var_dump($db->run('SELECT ?', ['foo', 'bar'])->fetch()); } catch(\PDOException $e) { if ('execute' === $e->getTrace()[0]['function']) { echo 'PDO::execute() failed'; } //Handle the exception } } else { try { $db = Database::instance(); var_dump($db->run('SELECT ?', ['foo', 'bar'])->fetch()); } catch(\PDOException $e) { if ('execute' === $e->getTrace()[0]['function']) { echo 'PDO::execute() failed'; } //Handle the exception } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 1, Position 2 = 23
Branch analysis from position: 1
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
Found catch point at position: 14
Branch analysis from position: 14
2 jumps found. (Code = 107) Position 1 = 15, Position 2 = -2
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 22
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
Branch analysis from position: 22
Found catch point at position: 36
Branch analysis from position: 36
2 jumps found. (Code = 107) Position 1 = 37, Position 2 = -2
Branch analysis from position: 37
2 jumps found. (Code = 43) Position 1 = 43, Position 2 = 44
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 44
filename:       /in/fDnBI
function name:  (null)
number of ops:  45
compiled vars:  !0 = $db, !1 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   51     0  E > > JMPZ                                                     <true>, ->23
   53     1    >   INIT_STATIC_METHOD_CALL                                  'Database', 'instance'
          2        DO_FCALL                                      0  $2      
          3        ASSIGN                                                   !0, $2
   54     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, 'run'
          6        SEND_VAL_EX                                              'SELECT+%3F'
          7        SEND_VAL_EX                                              <array>
          8        DO_FCALL                                      0  $4      
          9        INIT_METHOD_CALL                                         $4, 'fetch'
         10        DO_FCALL                                      0  $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
         13      > JMP                                                      ->22
   55    14  E > > CATCH                                       last         'PDOException'
   56    15    >   INIT_METHOD_CALL                                         !1, 'getTrace'
         16        DO_FCALL                                      0  $7      
         17        FETCH_DIM_R                                      ~8      $7, 0
         18        FETCH_DIM_R                                      ~9      ~8, 'function'
         19        IS_IDENTICAL                                             ~9, 'execute'
         20      > JMPZ                                                     ~10, ->22
   57    21    >   ECHO                                                     'PDO%3A%3Aexecute%28%29+failed'
         22    > > JMP                                                      ->44
   63    23    >   INIT_STATIC_METHOD_CALL                                  'Database', 'instance'
         24        DO_FCALL                                      0  $11     
         25        ASSIGN                                                   !0, $11
   64    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !0, 'run'
         28        SEND_VAL_EX                                              'SELECT+%3F'
         29        SEND_VAL_EX                                              <array>
         30        DO_FCALL                                      0  $13     
         31        INIT_METHOD_CALL                                         $13, 'fetch'
         32        DO_FCALL                                      0  $14     
         33        SEND_VAR                                                 $14
         34        DO_ICALL                                                 
         35      > JMP                                                      ->44
   65    36  E > > CATCH                                       last         'PDOException'
   66    37    >   INIT_METHOD_CALL                                         !1, 'getTrace'
         38        DO_FCALL                                      0  $16     
         39        FETCH_DIM_R                                      ~17     $16, 0
         40        FETCH_DIM_R                                      ~18     ~17, 'function'
         41        IS_IDENTICAL                                             ~18, 'execute'
         42      > JMPZ                                                     ~19, ->44
   67    43    >   ECHO                                                     'PDO%3A%3Aexecute%28%29+failed'
   71    44    > > RETURN                                                   1

Class Database:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fDnBI
function name:  __construct
number of ops:  10
compiled vars:  !0 = $opt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   BIND_STATIC                                              !0
   13     1        NEW                                              $2      'PDO'
          2        SEND_VAL_EX                                              'sqlite%3A%3Amemory%3A'
          3        SEND_VAL_EX                                              null
          4        SEND_VAL_EX                                              null
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0          
          7        ASSIGN_OBJ                                               'pdo'
          8        OP_DATA                                                  $2
   14     9      > 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/fDnBI
function name:  instance
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'instance'
          1        TYPE_CHECK                                    2          ~0
          2      > JMPZ                                                     ~1, ->7
   19     3    >   NEW                          self                $3      
          4        DO_FCALL                                      0          
          5        ASSIGN_STATIC_PROP                                       'instance'
          6        OP_DATA                                                  $3
   22     7    >   FETCH_STATIC_PROP_R          unknown             ~5      'instance'
          8      > RETURN                                                   ~5
   23     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
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fDnBI
function name:  run
number of ops:  17
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                                                   !2, $5
   31    12        INIT_METHOD_CALL                                         !2, 'execute'
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0          
   33    15      > RETURN                                                   !2
   34    16*     > 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/fDnBI
function name:  __call
number of ops:  24
compiled vars:  !0 = $method, !1 = $args
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   36     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   38     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
   40     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
   44    15    >   NEW                                              $7      'BadMethodCallException'
         16        INIT_FCALL                                               'sprintf'
         17        SEND_VAL                                                 'Unknown+method+PDO%3A%3A%25s+called%21'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $8      
         20        SEND_VAR_NO_REF_EX                                       $8
         21        DO_FCALL                                      0          
         22      > THROW                                         0          $7
   45    23*     > RETURN                                                   null

End of function __call

End of class Database.

Generated using Vulcan Logic Dumper, using php 8.0.0


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