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<?php $v1 = "café"; $v2 = "cafe"."\u{0301}"; print "are '$v1' and '$v2' identical? \n"; var_dump($v1 == $v2); //returns false $café = 1; $café = 21; var_dump($café === $café); var_dump(array_keys(compact(['café', 'café'])));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m1X4Y
function name:  (null)
number of ops:  28
compiled vars:  !0 = $v1, !1 = $v2, !2 = $café, !3 = $café
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'caf%C3%A9'
    4     1        ASSIGN                                                       !1, 'cafe%CC%81'
    5     2        ROPE_INIT                                         5  ~7      'are+%27'
          3        ROPE_ADD                                          1  ~7      ~7, !0
          4        ROPE_ADD                                          2  ~7      ~7, '%27+and+%27'
          5        ROPE_ADD                                          3  ~7      ~7, !1
          6        ROPE_END                                          4  ~6      ~7, '%27+identical%3F+%0A'
          7        ECHO                                                         ~6
    6     8        INIT_FCALL                                                   'var_dump'
          9        IS_EQUAL                                             ~10     !0, !1
         10        SEND_VAL                                                     ~10
         11        DO_ICALL                                                     
    8    12        ASSIGN                                                       !2, 1
    9    13        ASSIGN                                                       !3, 21
   11    14        INIT_FCALL                                                   'var_dump'
         15        IS_IDENTICAL                                         ~14     !2, !3
         16        SEND_VAL                                                     ~14
         17        DO_ICALL                                                     
   12    18        INIT_FCALL                                                   'var_dump'
         19        INIT_FCALL                                                   'array_keys'
         20        INIT_FCALL                                                   'compact'
         21        SEND_VAL                                                     <array>
         22        DO_ICALL                                             $16     
         23        SEND_VAR                                                     $16
         24        DO_ICALL                                             $17     
         25        SEND_VAR                                                     $17
         26        DO_ICALL                                                     
         27      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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