3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emptyDate = new \DateTime('0001-01-01T00:00:00'); $secondEmptyDate = new \DateTime('0001-01-01T00:00:00'); $otherDate = new \DateTime('now'); echo ($emptyDate == $secondEmptyDate); echo ($emptyDate === $secondEmptyDate); echo ($emptyDate == $otherDate); echo ($emptyDate === $otherDate);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CXZ2V
function name:  (null)
number of ops:  21
compiled vars:  !0 = $emptyDate, !1 = $secondEmptyDate, !2 = $otherDate
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              '0001-01-01T00%3A00%3A00'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        NEW                                              $6      'DateTime'
          5        SEND_VAL_EX                                              '0001-01-01T00%3A00%3A00'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $6
    5     8        NEW                                              $9      'DateTime'
          9        SEND_VAL_EX                                              'now'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $9
    7    12        IS_EQUAL                                         ~12     !0, !1
         13        ECHO                                                     ~12
    8    14        IS_IDENTICAL                                     ~13     !0, !1
         15        ECHO                                                     ~13
    9    16        IS_EQUAL                                         ~14     !0, !2
         17        ECHO                                                     ~14
   10    18        IS_IDENTICAL                                     ~15     !0, !2
         19        ECHO                                                     ~15
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.2 ms | 1393 KiB | 13 Q