3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(STDIN); var_dump(serialize(STDIN)); var_dump(unserialize(serialize(STDIN)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EpVjn
function name:  (null)
number of ops:  22
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        FETCH_CONSTANT                                       ~0      'STDIN'
          2        SEND_VAL                                                     ~0
          3        DO_ICALL                                                     
    5     4        INIT_FCALL                                                   'var_dump'
          5        INIT_FCALL                                                   'serialize'
          6        FETCH_CONSTANT                                       ~2      'STDIN'
          7        SEND_VAL                                                     ~2
          8        DO_ICALL                                             $3      
          9        SEND_VAR                                                     $3
         10        DO_ICALL                                                     
    6    11        INIT_FCALL                                                   'var_dump'
         12        INIT_FCALL                                                   'unserialize'
         13        INIT_FCALL                                                   'serialize'
         14        FETCH_CONSTANT                                       ~5      'STDIN'
         15        SEND_VAL                                                     ~5
         16        DO_ICALL                                             $6      
         17        SEND_VAR                                                     $6
         18        DO_ICALL                                             $7      
         19        SEND_VAR                                                     $7
         20        DO_ICALL                                                     
         21      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
127.51 ms | 479 KiB | 10 Q