3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num1 = "123456789012345678901234567890"; $num2 = "9876543210"; $r = mysql_query("Select @sum:=$num1 + $num2"); $sumR = mysql_fetch_row($r); $sum = $sumR[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qMF2t
function name:  (null)
number of ops:  17
compiled vars:  !0 = $num1, !1 = $num2, !2 = $r, !3 = $sumR, !4 = $sum
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '123456789012345678901234567890'
    3     1        ASSIGN                                                   !1, '9876543210'
    4     2        INIT_FCALL_BY_NAME                                       'mysql_query'
          3        ROPE_INIT                                     4  ~8      'Select+%40sum%3A%3D'
          4        ROPE_ADD                                      1  ~8      ~8, !0
          5        ROPE_ADD                                      2  ~8      ~8, '+%2B+'
          6        ROPE_END                                      3  ~7      ~8, !1
          7        SEND_VAL_EX                                              ~7
          8        DO_FCALL                                      0  $10     
          9        ASSIGN                                                   !2, $10
    5    10        INIT_FCALL_BY_NAME                                       'mysql_fetch_row'
         11        SEND_VAR_EX                                              !2
         12        DO_FCALL                                      0  $12     
         13        ASSIGN                                                   !3, $12
    6    14        FETCH_DIM_R                                      ~14     !3, 0
         15        ASSIGN                                                   !4, ~14
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.71 ms | 1393 KiB | 13 Q