3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); $a->hi = "yes"; if(property_exists($a, "hi")) { echo "here"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/tbfEh
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $1      'StdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    3     3        ASSIGN_OBJ                                               !0, 'hi'
          4        OP_DATA                                                  'yes'
    5     5        INIT_FCALL                                               'property_exists'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 'hi'
          8        DO_ICALL                                         $5      
          9      > JMPZ                                                     $5, ->11
    6    10    >   ECHO                                                     'here'
    7    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.62 ms | 1394 KiB | 15 Q