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<?php $timestamp = 1591858149.085; $dt = new DateTime("@$timestamp"); $dti = new DateTimeImmutable("@$timestamp"); var_dump($dt, $dti);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/96qtZ
function name:  (null)
number of ops:  18
compiled vars:  !0 = $timestamp, !1 = $dt, !2 = $dti
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, 1.59186e+9
    3     1        NEW                                                  $4      'DateTime'
          2        NOP                                                          
          3        FAST_CONCAT                                          ~5      '%40', !0
          4        SEND_VAL_EX                                                  ~5
          5        DO_FCALL                                          0          
          6        ASSIGN                                                       !1, $4
    4     7        NEW                                                  $8      'DateTimeImmutable'
          8        NOP                                                          
          9        FAST_CONCAT                                          ~9      '%40', !0
         10        SEND_VAL_EX                                                  ~9
         11        DO_FCALL                                          0          
         12        ASSIGN                                                       !2, $8
    5    13        INIT_FCALL                                                   'var_dump'
         14        SEND_VAR                                                     !1
         15        SEND_VAR                                                     !2
         16        DO_ICALL                                                     
         17      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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