3v4l.org

run code in 300+ PHP versions simultaneously
<?php $stream = fopen('php://memory', 'w+'); $meta = stream_get_meta_data($stream); var_dump(is_writable($meta['uri']), fwrite($stream, 'foobar'), $meta);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VsXEJ
function name:  (null)
number of ops:  23
compiled vars:  !0 = $stream, !1 = $meta
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'fopen'
          1        SEND_VAL                                                 'php%3A%2F%2Fmemory'
          2        SEND_VAL                                                 'w%2B'
          3        DO_ICALL                                         $2      
          4        ASSIGN                                                   !0, $2
    4     5        INIT_FCALL                                               'stream_get_meta_data'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $4      
          8        ASSIGN                                                   !1, $4
    5     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'is_writable'
         11        FETCH_DIM_R                                      ~6      !1, 'uri'
         12        SEND_VAL                                                 ~6
         13        DO_ICALL                                         $7      
         14        SEND_VAR                                                 $7
         15        INIT_FCALL                                               'fwrite'
         16        SEND_VAR                                                 !0
         17        SEND_VAL                                                 'foobar'
         18        DO_ICALL                                         $8      
         19        SEND_VAR                                                 $8
         20        SEND_VAR                                                 !1
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.39 ms | 1395 KiB | 23 Q