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<?php error_reporting(0); $date = new DateTime('yesterday'); $null = null; var_dump($date->format('U')); 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 = 34, Position 2 = 54
Branch analysis from position: 34
1 jumps found. (Code = 42) Position 1 = 55
Branch analysis from position: 55
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 54
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SH1m5
function name:  (null)
number of ops:  56
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        INIT_METHOD_CALL                                         !0, 'format'
         10        SEND_VAL_EX                                              'U'
         11        DO_FCALL                                      0  $8      
         12        SEND_VAR                                                 $8
         13        DO_ICALL                                                 
    8    14        INIT_FCALL                                               'var_dump'
         15        IS_SMALLER                                       ~10     !0, !1
         16        SEND_VAL                                                 ~10
         17        DO_ICALL                                                 
    9    18        INIT_FCALL                                               'var_dump'
         19        IS_SMALLER                                       ~12     !1, !0
         20        SEND_VAL                                                 ~12
         21        DO_ICALL                                                 
   10    22        INIT_FCALL                                               'var_dump'
         23        IS_SMALLER                                       ~14     !1, !0
         24        SEND_VAL                                                 ~14
         25        DO_ICALL                                                 
   11    26        INIT_FCALL                                               'var_dump'
         27        IS_SMALLER                                       ~16     !0, !1
         28        SEND_VAL                                                 ~16
         29        DO_ICALL                                                 
   13    30        INIT_FCALL                                               'class_exists'
         31        SEND_VAL                                                 'DateTimeImmutable'
         32        DO_ICALL                                         $18     
         33      > JMPZ                                                     $18, ->54
   14    34    >   NEW                                              $19     'DateTimeImmutable'
         35        DO_FCALL                                      0          
         36        ASSIGN                                                   !2, $19
   16    37        INIT_FCALL                                               'var_dump'
         38        IS_SMALLER                                       ~22     !2, !0
         39        SEND_VAL                                                 ~22
         40        DO_ICALL                                                 
   17    41        INIT_FCALL                                               'var_dump'
         42        IS_SMALLER                                       ~24     !0, !2
         43        SEND_VAL                                                 ~24
         44        DO_ICALL                                                 
   18    45        INIT_FCALL                                               'var_dump'
         46        IS_SMALLER                                       ~26     !1, !2
         47        SEND_VAL                                                 ~26
         48        DO_ICALL                                                 
   19    49        INIT_FCALL                                               'var_dump'
         50        IS_SMALLER                                       ~28     !2, !1
         51        SEND_VAL                                                 ~28
         52        DO_ICALL                                                 
         53      > JMP                                                      ->55
   21    54    >   ECHO                                                     'Not+Implemented'
   22    55    > > RETURN                                                   1

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