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<?php $pdo = new \PDO('sqlite::memory:'); var_dump($pdo->query('select \'-1\'')->fetch(\PDO::FETCH_ASSOC)); var_dump($pdo->query('select "-1"')->fetch(\PDO::FETCH_ASSOC));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lfZSq
function name:  (null)
number of ops:  23
compiled vars:  !0 = $pdo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'PDO'
          1        SEND_VAL_EX                                              'sqlite%3A%3Amemory%3A'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    5     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, 'query'
          6        SEND_VAL_EX                                              'select+%27-1%27'
          7        DO_FCALL                                      0  $4      
          8        INIT_METHOD_CALL                                         $4, 'fetch'
          9        SEND_VAL_EX                                              2
         10        DO_FCALL                                      0  $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
    6    13        INIT_FCALL                                               'var_dump'
         14        INIT_METHOD_CALL                                         !0, 'query'
         15        SEND_VAL_EX                                              'select+%22-1%22'
         16        DO_FCALL                                      0  $7      
         17        INIT_METHOD_CALL                                         $7, 'fetch'
         18        SEND_VAL_EX                                              2
         19        DO_FCALL                                      0  $8      
         20        SEND_VAR                                                 $8
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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