3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(filter_var(new StdClass(), FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oFCpE
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'filter_var'
          2        NEW                                                  $0      'StdClass'
          3        DO_FCALL                                          0          
          4        SEND_VAR                                                     $0
          5        SEND_VAL                                                     258
          6        SEND_VAL                                                     134217728
          7        DO_ICALL                                             $2      
          8        SEND_VAR                                                     $2
          9        DO_ICALL                                                     
         10      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
167.46 ms | 2633 KiB | 15 Q