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<?php $expected = new DateTimeImmutable('2015-08-31 01:02:04.456790'); $date = (new DateTimeImmutable('2015-08-31 01:02:03.456789'))->modify('+1000001 microseconds'); $expected_str = $expected->format("YmdHisu"); $date_str = $date->format("YmdHisu"); var_dump("$expected_str <=> $date_str"); // Expected false, but it's actually true var_dump($expected_str > $date_str || $expected_str < $date_str);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 28, Position 2 = 30
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
filename:       /in/YlCDm
function name:  (null)
number of ops:  33
compiled vars:  !0 = $expected, !1 = $date, !2 = $expected_str, !3 = $date_str
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $4      'DateTimeImmutable'
          1        SEND_VAL_EX                                                  '2015-08-31+01%3A02%3A04.456790'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $4
    4     4        NEW                                                  $7      'DateTimeImmutable'
          5        SEND_VAL_EX                                                  '2015-08-31+01%3A02%3A03.456789'
          6        DO_FCALL                                          0          
          7        INIT_METHOD_CALL                                             $7, 'modify'
          8        SEND_VAL_EX                                                  '%2B1000001+microseconds'
          9        DO_FCALL                                          0  $9      
         10        ASSIGN                                                       !1, $9
    6    11        INIT_METHOD_CALL                                             !0, 'format'
         12        SEND_VAL_EX                                                  'YmdHisu'
         13        DO_FCALL                                          0  $11     
         14        ASSIGN                                                       !2, $11
    7    15        INIT_METHOD_CALL                                             !1, 'format'
         16        SEND_VAL_EX                                                  'YmdHisu'
         17        DO_FCALL                                          0  $13     
         18        ASSIGN                                                       !3, $13
    9    19        INIT_FCALL                                                   'var_dump'
         20        ROPE_INIT                                         3  ~16     !2
         21        ROPE_ADD                                          1  ~16     ~16, '+%3C%3D%3E+'
         22        ROPE_END                                          2  ~15     ~16, !3
         23        SEND_VAL                                                     ~15
         24        DO_ICALL                                                     
   12    25        INIT_FCALL                                                   'var_dump'
         26        IS_SMALLER                                           ~19     !3, !2
         27      > JMPNZ_EX                                             ~19     ~19, ->30
         28    >   IS_SMALLER                                           ~20     !2, !3
         29        BOOL                                                 ~19     ~20
         30    >   SEND_VAL                                                     ~19
         31        DO_ICALL                                                     
         32      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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