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<?php $stream = fopen("php://temp", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream)); $stream = fopen("php://memory", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/E2JL2
function name:  (null)
number of ops:  85
compiled vars:  !0 = $stream
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'fopen'
          1        SEND_VAL                                                     'php%3A%2F%2Ftemp'
          2        SEND_VAL                                                     'r%2B'
          3        DO_ICALL                                             $1      
          4        ASSIGN                                                       !0, $1
    4     5        INIT_FCALL                                                   'fwrite'
          6        SEND_VAR                                                     !0
          7        SEND_VAL                                                     '0123456789'
          8        DO_ICALL                                                     
    5     9        INIT_FCALL                                                   'rewind'
         10        SEND_VAR                                                     !0
         11        DO_ICALL                                                     
    6    12        INIT_FCALL                                                   'var_dump'
         13        INIT_FCALL                                                   'fread'
         14        SEND_VAR                                                     !0
         15        SEND_VAL                                                     10
         16        DO_ICALL                                             $5      
         17        SEND_VAR                                                     $5
         18        INIT_FCALL                                                   'ftell'
         19        SEND_VAR                                                     !0
         20        DO_ICALL                                             $6      
         21        SEND_VAR                                                     $6
         22        INIT_FCALL                                                   'feof'
         23        SEND_VAR                                                     !0
         24        DO_ICALL                                             $7      
         25        SEND_VAR                                                     $7
         26        DO_ICALL                                                     
    7    27        INIT_FCALL                                                   'var_dump'
         28        INIT_FCALL                                                   'fread'
         29        SEND_VAR                                                     !0
         30        SEND_VAL                                                     1
         31        DO_ICALL                                             $9      
         32        SEND_VAR                                                     $9
         33        INIT_FCALL                                                   'ftell'
         34        SEND_VAR                                                     !0
         35        DO_ICALL                                             $10     
         36        SEND_VAR                                                     $10
         37        INIT_FCALL                                                   'feof'
         38        SEND_VAR                                                     !0
         39        DO_ICALL                                             $11     
         40        SEND_VAR                                                     $11
         41        DO_ICALL                                                     
    9    42        INIT_FCALL                                                   'fopen'
         43        SEND_VAL                                                     'php%3A%2F%2Fmemory'
         44        SEND_VAL                                                     'r%2B'
         45        DO_ICALL                                             $13     
         46        ASSIGN                                                       !0, $13
   10    47        INIT_FCALL                                                   'fwrite'
         48        SEND_VAR                                                     !0
         49        SEND_VAL                                                     '0123456789'
         50        DO_ICALL                                                     
   11    51        INIT_FCALL                                                   'rewind'
         52        SEND_VAR                                                     !0
         53        DO_ICALL                                                     
   12    54        INIT_FCALL                                                   'var_dump'
         55        INIT_FCALL                                                   'fread'
         56        SEND_VAR                                                     !0
         57        SEND_VAL                                                     10
         58        DO_ICALL                                             $17     
         59        SEND_VAR                                                     $17
         60        INIT_FCALL                                                   'ftell'
         61        SEND_VAR                                                     !0
         62        DO_ICALL                                             $18     
         63        SEND_VAR                                                     $18
         64        INIT_FCALL                                                   'feof'
         65        SEND_VAR                                                     !0
         66        DO_ICALL                                             $19     
         67        SEND_VAR                                                     $19
         68        DO_ICALL                                                     
   13    69        INIT_FCALL                                                   'var_dump'
         70        INIT_FCALL                                                   'fread'
         71        SEND_VAR                                                     !0
         72        SEND_VAL                                                     1
         73        DO_ICALL                                             $21     
         74        SEND_VAR                                                     $21
         75        INIT_FCALL                                                   'ftell'
         76        SEND_VAR                                                     !0
         77        DO_ICALL                                             $22     
         78        SEND_VAR                                                     $22
         79        INIT_FCALL                                                   'feof'
         80        SEND_VAR                                                     !0
         81        DO_ICALL                                             $23     
         82        SEND_VAR                                                     $23
         83        DO_ICALL                                                     
         84      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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