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<?php $dbh = new \PDO('sqlite:'); $dbh->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION ); $goodSql = 'SELECT number FROM (SELECT 1 number UNION SELECT 2) numbers WHERE number not in (2)'; echo json_encode($dbh->query($goodSql)->fetchAll(PDO::FETCH_NUM)); $badSql = 'SELECT number FROM (SELECT 1 number UNION SELECT 2) numbers WHERE number not in (?)'; $binds = ['2']; $statement = $dbh->prepare($badSql); $statement->execute($binds); echo json_encode($statement->fetchAll(PDO::FETCH_NUM));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/otfDj
function name:  (null)
number of ops:  36
compiled vars:  !0 = $dbh, !1 = $goodSql, !2 = $badSql, !3 = $binds, !4 = $statement
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $5      'PDO'
          1        SEND_VAL_EX                                              'sqlite%3A'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    3     4        INIT_METHOD_CALL                                         !0, 'setAttribute'
          5        SEND_VAL_EX                                              3
          6        SEND_VAL_EX                                              2
          7        DO_FCALL                                      0          
    4     8        ASSIGN                                                   !1, 'SELECT+number+FROM+%28SELECT+1+number+UNION+SELECT+2%29+numbers+WHERE+number+not+in+%282%29'
    5     9        INIT_FCALL                                               'json_encode'
         10        INIT_METHOD_CALL                                         !0, 'query'
         11        SEND_VAR_EX                                              !1
         12        DO_FCALL                                      0  $10     
         13        INIT_METHOD_CALL                                         $10, 'fetchAll'
         14        SEND_VAL_EX                                              3
         15        DO_FCALL                                      0  $11     
         16        SEND_VAR                                                 $11
         17        DO_ICALL                                         $12     
         18        ECHO                                                     $12
    7    19        ASSIGN                                                   !2, 'SELECT+number+FROM+%28SELECT+1+number+UNION+SELECT+2%29+numbers+WHERE+number+not+in+%28%3F%29'
    8    20        ASSIGN                                                   !3, <array>
    9    21        INIT_METHOD_CALL                                         !0, 'prepare'
         22        SEND_VAR_EX                                              !2
         23        DO_FCALL                                      0  $15     
         24        ASSIGN                                                   !4, $15
   10    25        INIT_METHOD_CALL                                         !4, 'execute'
         26        SEND_VAR_EX                                              !3
         27        DO_FCALL                                      0          
   11    28        INIT_FCALL                                               'json_encode'
         29        INIT_METHOD_CALL                                         !4, 'fetchAll'
         30        SEND_VAL_EX                                              3
         31        DO_FCALL                                      0  $18     
         32        SEND_VAR                                                 $18
         33        DO_ICALL                                         $19     
         34        ECHO                                                     $19
         35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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