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<?php $db = new \PDO("sqlite::memory:"); $db->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); $db->exec('attach database \':memory:\' AS "db1"'); var_dump($db->exec('create table db1.r (id int)')); $st = $db->prepare('attach database :a AS "db2"'); $st->execute([':a' => ':memory:']); var_dump($db->exec('create table db2.r (id int)'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Su8lK
function name:  (null)
number of ops:  31
compiled vars:  !0 = $db, !1 = $st
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'PDO'
          1        SEND_VAL_EX                                              'sqlite%3A%3Amemory%3A'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    4     4        INIT_METHOD_CALL                                         !0, 'setAttribute'
          5        SEND_VAL_EX                                              3
          6        SEND_VAL_EX                                              2
          7        DO_FCALL                                      0          
    6     8        INIT_METHOD_CALL                                         !0, 'exec'
          9        SEND_VAL_EX                                              'attach+database+%27%3Amemory%3A%27+AS+%22db1%22'
         10        DO_FCALL                                      0          
    7    11        INIT_FCALL                                               'var_dump'
         12        INIT_METHOD_CALL                                         !0, 'exec'
         13        SEND_VAL_EX                                              'create+table+db1.r+%28id+int%29'
         14        DO_FCALL                                      0  $7      
         15        SEND_VAR                                                 $7
         16        DO_ICALL                                                 
    9    17        INIT_METHOD_CALL                                         !0, 'prepare'
         18        SEND_VAL_EX                                              'attach+database+%3Aa+AS+%22db2%22'
         19        DO_FCALL                                      0  $9      
         20        ASSIGN                                                   !1, $9
   10    21        INIT_METHOD_CALL                                         !1, 'execute'
         22        SEND_VAL_EX                                              <array>
         23        DO_FCALL                                      0          
   11    24        INIT_FCALL                                               'var_dump'
         25        INIT_METHOD_CALL                                         !0, 'exec'
         26        SEND_VAL_EX                                              'create+table+db2.r+%28id+int%29'
         27        DO_FCALL                                      0  $12     
         28        SEND_VAR                                                 $12
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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