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<?php function createTempDir(): ?string { $separator = DIRECTORY_SEPARATOR; $path = rtrim(sys_get_temp_dir(), $separator) . $separator . mt_rand() . microtime(true); $createdTempDir = mkdir($path); if ($createdTempDir) { return $path; } return null; } var_dump(createTempDir());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1cca3
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'createtempdir'
          2        DO_FCALL                                          0  $0      
          3        SEND_VAR                                                     $0
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Function createtempdir:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1cca3
function name:  createTempDir
number of ops:  26
compiled vars:  !0 = $separator, !1 = $path, !2 = $createdTempDir
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                       !0, '%2F'
    6     1        INIT_FCALL                                                   'rtrim'
          2        INIT_FCALL                                                   'sys_get_temp_dir'
          3        DO_ICALL                                             $4      
          4        SEND_VAR                                                     $4
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                             $5      
          7        CONCAT                                               ~6      $5, !0
          8        INIT_FCALL                                                   'mt_rand'
          9        DO_ICALL                                             $7      
         10        CONCAT                                               ~8      ~6, $7
         11        INIT_FCALL                                                   'microtime'
         12        SEND_VAL                                                     <true>
         13        DO_ICALL                                             $9      
         14        CONCAT                                               ~10     ~8, $9
         15        ASSIGN                                                       !1, ~10
    7    16        INIT_FCALL                                                   'mkdir'
         17        SEND_VAR                                                     !1
         18        DO_ICALL                                             $12     
         19        ASSIGN                                                       !2, $12
    8    20      > JMPZ                                                         !2, ->23
    9    21    >   VERIFY_RETURN_TYPE                                           !1
         22      > RETURN                                                       !1
   12    23    > > RETURN                                                       null
   13    24*       VERIFY_RETURN_TYPE                                           
         25*     > RETURN                                                       null

End of function createtempdir

Generated using Vulcan Logic Dumper, using php 8.5.0


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191.73 ms | 1917 KiB | 20 Q