3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pdo = new pdo('sqlite::memory:', null, null, [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]); $pdo->exec('create table foo(a int)'); $pdo->exec('insert into foo values (1), (2), (3), (4)'); $sql = 'select a from foo group by a having a > 2'; $stmt = $pdo->prepare($sql); $stmt->execute(); var_dump($stmt->fetchAll());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S4Gfd
function name:  (null)
number of ops:  26
compiled vars:  !0 = $pdo, !1 = $sql, !2 = $stmt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'pdo'
          1        SEND_VAL_EX                                              'sqlite%3A%3Amemory%3A'
          2        SEND_VAL_EX                                              null
          3        SEND_VAL_EX                                              null
          4        SEND_VAL_EX                                              <array>
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $3
    4     7        INIT_METHOD_CALL                                         !0, 'exec'
          8        SEND_VAL_EX                                              'create+table+foo%28a+int%29'
          9        DO_FCALL                                      0          
    5    10        INIT_METHOD_CALL                                         !0, 'exec'
         11        SEND_VAL_EX                                              'insert+into+foo+values+%281%29%2C+%282%29%2C+%283%29%2C+%284%29'
         12        DO_FCALL                                      0          
    6    13        ASSIGN                                                   !1, 'select+a+from+foo+group+by+a+having+a+%3E+2'
    7    14        INIT_METHOD_CALL                                         !0, 'prepare'
         15        SEND_VAR_EX                                              !1
         16        DO_FCALL                                      0  $9      
         17        ASSIGN                                                   !2, $9
    8    18        INIT_METHOD_CALL                                         !2, 'execute'
         19        DO_FCALL                                      0          
    9    20        INIT_FCALL                                               'var_dump'
         21        INIT_METHOD_CALL                                         !2, 'fetchAll'
         22        DO_FCALL                                      0  $12     
         23        SEND_VAR                                                 $12
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.45 ms | 1395 KiB | 15 Q