3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new SimpleXmlElement('<foo />'); var_dump($a->bubba->too); var_dump($a->bubba->too->the->bang->bang->boogie->boobie->to->the->boogie->to->the->rhythm->of->the->boogie->the->beat);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t8n5j
function name:  (null)
number of ops:  31
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'SimpleXmlElement'
          1        SEND_VAL_EX                                              '%3Cfoo+%2F%3E'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    4     4        INIT_FCALL                                               'var_dump'
          5        FETCH_OBJ_R                                      ~4      !0, 'bubba'
          6        FETCH_OBJ_R                                      ~5      ~4, 'too'
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                                 
    5     9        INIT_FCALL                                               'var_dump'
         10        FETCH_OBJ_R                                      ~7      !0, 'bubba'
         11        FETCH_OBJ_R                                      ~8      ~7, 'too'
         12        FETCH_OBJ_R                                      ~9      ~8, 'the'
         13        FETCH_OBJ_R                                      ~10     ~9, 'bang'
         14        FETCH_OBJ_R                                      ~11     ~10, 'bang'
         15        FETCH_OBJ_R                                      ~12     ~11, 'boogie'
         16        FETCH_OBJ_R                                      ~13     ~12, 'boobie'
         17        FETCH_OBJ_R                                      ~14     ~13, 'to'
         18        FETCH_OBJ_R                                      ~15     ~14, 'the'
         19        FETCH_OBJ_R                                      ~16     ~15, 'boogie'
         20        FETCH_OBJ_R                                      ~17     ~16, 'to'
         21        FETCH_OBJ_R                                      ~18     ~17, 'the'
         22        FETCH_OBJ_R                                      ~19     ~18, 'rhythm'
         23        FETCH_OBJ_R                                      ~20     ~19, 'of'
         24        FETCH_OBJ_R                                      ~21     ~20, 'the'
         25        FETCH_OBJ_R                                      ~22     ~21, 'boogie'
         26        FETCH_OBJ_R                                      ~23     ~22, 'the'
         27        FETCH_OBJ_R                                      ~24     ~23, 'beat'
         28        SEND_VAL                                                 ~24
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
191.75 ms | 1395 KiB | 15 Q