3v4l.org

run code in 300+ PHP versions simultaneously
<?php $di1 = new DateTimeImmutable('now'); $di2 = new DateTimeImmutable('+1 hour'); $d = new DateTime('-1 hour'); $di1->diff($d); // DateInterval +1H $di1->diff($di2); // DateInterval -1H $d->diff($di1); // DateInterval +1H
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ubnR7
function name:  (null)
number of ops:  22
compiled vars:  !0 = $di1, !1 = $di2, !2 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTimeImmutable'
          1        SEND_VAL_EX                                              'now'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        NEW                                              $6      'DateTimeImmutable'
          5        SEND_VAL_EX                                              '%2B1+hour'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $6
    6     8        NEW                                              $9      'DateTime'
          9        SEND_VAL_EX                                              '-1+hour'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $9
    8    12        INIT_METHOD_CALL                                         !0, 'diff'
         13        SEND_VAR_EX                                              !2
         14        DO_FCALL                                      0          
    9    15        INIT_METHOD_CALL                                         !0, 'diff'
         16        SEND_VAR_EX                                              !1
         17        DO_FCALL                                      0          
   10    18        INIT_METHOD_CALL                                         !2, 'diff'
         19        SEND_VAR_EX                                              !0
         20        DO_FCALL                                      0          
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.93 ms | 1393 KiB | 13 Q