3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pdo = new PDO( 'sqlite::memory:' ) ; $res = $pdo->query( 'SELECT SQLITE_VERSION()' ) ; print_r( $res->fetchColumn() ) ;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5afsf
function name:  (null)
number of ops:  14
compiled vars:  !0 = $pdo, !1 = $res
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
    5     4        INIT_METHOD_CALL                                         !0, 'query'
          5        SEND_VAL_EX                                              'SELECT+SQLITE_VERSION%28%29'
          6        DO_FCALL                                      0  $5      
          7        ASSIGN                                                   !1, $5
    7     8        INIT_FCALL                                               'print_r'
          9        INIT_METHOD_CALL                                         !1, 'fetchColumn'
         10        DO_FCALL                                      0  $7      
         11        SEND_VAR                                                 $7
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.8 ms | 1385 KiB | 15 Q