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<?php $read = $except = null; $write = array("test" => fopen("php://stdout", "w")); var_dump($write); stream_select($read, $write, $except, 0); var_dump($write);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V6eeI
function name:  (null)
number of ops:  21
compiled vars:  !0 = $read, !1 = $except, !2 = $write
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                           ~3      !1, null
          1        ASSIGN                                                   !0, ~3
    4     2        INIT_FCALL                                               'fopen'
          3        SEND_VAL                                                 'php%3A%2F%2Fstdout'
          4        SEND_VAL                                                 'w'
          5        DO_ICALL                                         $5      
          6        INIT_ARRAY                                       ~6      $5, 'test'
          7        ASSIGN                                                   !2, ~6
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                                 
    7    11        INIT_FCALL                                               'stream_select'
         12        SEND_REF                                                 !0
         13        SEND_REF                                                 !2
         14        SEND_REF                                                 !1
         15        SEND_VAL                                                 0
         16        DO_ICALL                                                 
    8    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !2
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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