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<?php error_reporting(0); $date = new DateTime('yesterday'); $null = null; var_dump($date < $null); var_dump($date > $null); var_dump($null < $date); var_dump($null > $date); if (class_exists('DateTimeImmutable')) { $dati = new DateTimeImmutable(); var_dump($dati < $date); var_dump($dati > $date); var_dump($null < $dati); var_dump($null > $dati); } else { echo 'Not Implemented'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 48
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 49
Branch analysis from position: 49
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 48
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gA3Xr
function name:  (null)
number of ops:  50
compiled vars:  !0 = $date, !1 = $null, !2 = $dati
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 0
          2        DO_ICALL                                                 
    3     3        NEW                                              $4      'DateTime'
          4        SEND_VAL_EX                                              'yesterday'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $4
    4     7        ASSIGN                                                   !1, null
    6     8        INIT_FCALL                                               'var_dump'
          9        IS_SMALLER                                       ~8      !0, !1
         10        SEND_VAL                                                 ~8
         11        DO_ICALL                                                 
    7    12        INIT_FCALL                                               'var_dump'
         13        IS_SMALLER                                       ~10     !1, !0
         14        SEND_VAL                                                 ~10
         15        DO_ICALL                                                 
    8    16        INIT_FCALL                                               'var_dump'
         17        IS_SMALLER                                       ~12     !1, !0
         18        SEND_VAL                                                 ~12
         19        DO_ICALL                                                 
    9    20        INIT_FCALL                                               'var_dump'
         21        IS_SMALLER                                       ~14     !0, !1
         22        SEND_VAL                                                 ~14
         23        DO_ICALL                                                 
   11    24        INIT_FCALL                                               'class_exists'
         25        SEND_VAL                                                 'DateTimeImmutable'
         26        DO_ICALL                                         $16     
         27      > JMPZ                                                     $16, ->48
   12    28    >   NEW                                              $17     'DateTimeImmutable'
         29        DO_FCALL                                      0          
         30        ASSIGN                                                   !2, $17
   14    31        INIT_FCALL                                               'var_dump'
         32        IS_SMALLER                                       ~20     !2, !0
         33        SEND_VAL                                                 ~20
         34        DO_ICALL                                                 
   15    35        INIT_FCALL                                               'var_dump'
         36        IS_SMALLER                                       ~22     !0, !2
         37        SEND_VAL                                                 ~22
         38        DO_ICALL                                                 
   16    39        INIT_FCALL                                               'var_dump'
         40        IS_SMALLER                                       ~24     !1, !2
         41        SEND_VAL                                                 ~24
         42        DO_ICALL                                                 
   17    43        INIT_FCALL                                               'var_dump'
         44        IS_SMALLER                                       ~26     !2, !1
         45        SEND_VAL                                                 ~26
         46        DO_ICALL                                                 
         47      > JMP                                                      ->49
   19    48    >   ECHO                                                     'Not+Implemented'
   20    49    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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