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<?php $string = str_repeat("0123456789", 100); $resource = fopen('data://text/plain,' . $string,'r'); stream_filter_append($resource, 'zlib.deflate', STREAM_FILTER_READ, 6); $compressed = stream_get_contents($resource); echo strlen($compressed);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OOjF4
function name:  (null)
number of ops:  24
compiled vars:  !0 = $string, !1 = $resource, !2 = $compressed
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'str_repeat'
          1        SEND_VAL                                                 '0123456789'
          2        SEND_VAL                                                 100
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !0, $3
    4     5        INIT_FCALL                                               'fopen'
          6        CONCAT                                           ~5      'data%3A%2F%2Ftext%2Fplain%2C', !0
          7        SEND_VAL                                                 ~5
          8        SEND_VAL                                                 'r'
          9        DO_ICALL                                         $6      
         10        ASSIGN                                                   !1, $6
    5    11        INIT_FCALL                                               'stream_filter_append'
         12        SEND_VAR                                                 !1
         13        SEND_VAL                                                 'zlib.deflate'
         14        SEND_VAL                                                 1
         15        SEND_VAL                                                 6
         16        DO_ICALL                                                 
    6    17        INIT_FCALL                                               'stream_get_contents'
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $9      
         20        ASSIGN                                                   !2, $9
    7    21        STRLEN                                           ~11     !2
         22        ECHO                                                     ~11
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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