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<?php $pdo = new PDO('sqlite::memory:'); $pdo->exec("CREATE TABLE foo (id int)"); $pdo->exec("INSERT INTO foo VALUES (1)"); $stmt = $pdo->query("SELECT id FROM foo"); var_dump($stmt->fetchColumn(0));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bh03r
function name:  (null)
number of ops:  21
compiled vars:  !0 = $pdo, !1 = $stmt
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, 'exec'
          5        SEND_VAL_EX                                              'CREATE+TABLE+foo+%28id+int%29'
          6        DO_FCALL                                      0          
    5     7        INIT_METHOD_CALL                                         !0, 'exec'
          8        SEND_VAL_EX                                              'INSERT+INTO+foo+VALUES+%281%29'
          9        DO_FCALL                                      0          
    6    10        INIT_METHOD_CALL                                         !0, 'query'
         11        SEND_VAL_EX                                              'SELECT+id+FROM+foo'
         12        DO_FCALL                                      0  $7      
         13        ASSIGN                                                   !1, $7
    7    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !1, 'fetchColumn'
         16        SEND_VAL_EX                                              0
         17        DO_FCALL                                      0  $9      
         18        SEND_VAR                                                 $9
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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