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<?php $fp1 = fopen("/tmp/lock.test", 'w+'); $fp2 = fopen("/tmp/lock.test", 'w+'); flock($fp1, LOCK_EX); fclose($fp1); unlink("/tmp/lock.test"); $fp2IsLockedAndFileIsDeleted = flock($fp2, LOCK_EX) && !file_exists("/tmp/lock.test"); var_dump($fp2IsLockedAndFileIsDeleted);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 25, Position 2 = 30
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
filename:       /in/SilHY
function name:  (null)
number of ops:  35
compiled vars:  !0 = $fp1, !1 = $fp2, !2 = $fp2IsLockedAndFileIsDeleted
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'fopen'
          1        SEND_VAL                                                 '%2Ftmp%2Flock.test'
          2        SEND_VAL                                                 'w%2B'
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !0, $3
    4     5        INIT_FCALL                                               'fopen'
          6        SEND_VAL                                                 '%2Ftmp%2Flock.test'
          7        SEND_VAL                                                 'w%2B'
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !1, $5
    6    10        INIT_FCALL                                               'flock'
         11        SEND_VAR                                                 !0
         12        SEND_VAL                                                 2
         13        DO_ICALL                                                 
    7    14        INIT_FCALL                                               'fclose'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
    8    17        INIT_FCALL                                               'unlink'
         18        SEND_VAL                                                 '%2Ftmp%2Flock.test'
         19        DO_ICALL                                                 
   10    20        INIT_FCALL                                               'flock'
         21        SEND_VAR                                                 !1
         22        SEND_VAL                                                 2
         23        DO_ICALL                                         $10     
         24      > JMPZ_EX                                          ~11     $10, ->30
         25    >   INIT_FCALL                                               'file_exists'
         26        SEND_VAL                                                 '%2Ftmp%2Flock.test'
         27        DO_ICALL                                         $12     
         28        BOOL_NOT                                         ~13     $12
         29        BOOL                                             ~11     ~13
         30    >   ASSIGN                                                   !2, ~11
   12    31        INIT_FCALL                                               'var_dump'
         32        SEND_VAR                                                 !2
         33        DO_ICALL                                                 
         34      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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