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<?php // Dummy object for testing purposes. $user = new stdClass; $user->ID = 1234; // Wrapped for brevity. $sql = "SELECT * FROM `wp_podsrel` WHERE `related_item_id` = $user->ID AND `pod_id` = 17 AND `field_id` = 25"; $user->foo = [ 'ID' => 567 ]; // Now here we need to use brackets, i.e. {}. $sql2 = "SELECT * FROM `wp_podsrel` WHERE `related_item_id` = {$user->foo['ID']} AND `pod_id` = 17 AND `field_id` = 25"; $user->bar = (object) $user->foo; // Here we also need to use {}. $sql3 = "SELECT * FROM `wp_podsrel` WHERE `related_item_id` = {$user->bar->ID} AND `pod_id` = 17 AND `field_id` = 25"; var_dump( $sql, $sql2, $sql3 );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4oVAt
function name:  (null)
number of ops:  34
compiled vars:  !0 = $user, !1 = $sql, !2 = $sql2, !3 = $sql3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    4     3        ASSIGN_OBJ                                               !0, 'ID'
          4        OP_DATA                                                  1234
    7     5        ROPE_INIT                                     3  ~10     'SELECT+%2A+FROM+%60wp_podsrel%60%0A++WHERE+%60related_item_id%60+%3D+'
    8     6        FETCH_OBJ_R                                      ~8      !0, 'ID'
          7        ROPE_ADD                                      1  ~10     ~10, ~8
          8        ROPE_END                                      2  ~9      ~10, '%0A++AND+%60pod_id%60+%3D+17%0A++AND+%60field_id%60+%3D+25'
    7     9        ASSIGN                                                   !1, ~9
   12    10        ASSIGN_OBJ                                               !0, 'foo'
         11        OP_DATA                                                  <array>
   15    12        ROPE_INIT                                     3  ~17     'SELECT+%2A+FROM+%60wp_podsrel%60%0A++WHERE+%60related_item_id%60+%3D+'
   16    13        FETCH_OBJ_R                                      ~14     !0, 'foo'
         14        FETCH_DIM_R                                      ~15     ~14, 'ID'
         15        ROPE_ADD                                      1  ~17     ~17, ~15
         16        ROPE_END                                      2  ~16     ~17, '%0A++AND+%60pod_id%60+%3D+17%0A++AND+%60field_id%60+%3D+25'
   15    17        ASSIGN                                                   !2, ~16
   20    18        FETCH_OBJ_R                                      ~21     !0, 'foo'
         19        CAST                                          8  ~22     ~21
         20        ASSIGN_OBJ                                               !0, 'bar'
         21        OP_DATA                                                  ~22
   23    22        ROPE_INIT                                     3  ~26     'SELECT+%2A+FROM+%60wp_podsrel%60%0A++WHERE+%60related_item_id%60+%3D+'
   24    23        FETCH_OBJ_R                                      ~23     !0, 'bar'
         24        FETCH_OBJ_R                                      ~24     ~23, 'ID'
         25        ROPE_ADD                                      1  ~26     ~26, ~24
         26        ROPE_END                                      2  ~25     ~26, '%0A++AND+%60pod_id%60+%3D+17%0A++AND+%60field_id%60+%3D+25'
   23    27        ASSIGN                                                   !3, ~25
   28    28        INIT_FCALL                                               'var_dump'
         29        SEND_VAR                                                 !1
         30        SEND_VAR                                                 !2
         31        SEND_VAR                                                 !3
         32        DO_ICALL                                                 
         33      > RETURN                                                   1

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