3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); ob_start(); var_dump("GOOD"); var_dump(BAD); ob_end_flush();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IC9qi
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'ob_start'
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAL                                                 'GOOD'
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        FETCH_CONSTANT                                   ~3      'BAD'
         10        SEND_VAL                                                 ~3
         11        DO_ICALL                                                 
    7    12        INIT_FCALL                                               'ob_end_flush'
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.21 ms | 1394 KiB | 21 Q