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<?php $needle = Normalizer::normalize('äöüß', Normalizer::FORM_D); $haystack = Normalizer::normalize('Täöüßtstring', Normalizer::FORM_C); var_Dump(strpos($haystack, $needle)); var_Dump(mb_Strpos($haystack, $needle)); var_dump(grapheme_Strpos($haystack, $needle));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fasO4
function name:  (null)
number of ops:  34
compiled vars:  !0 = $needle, !1 = $haystack
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_STATIC_METHOD_CALL                                  'Normalizer', 'normalize'
          1        SEND_VAL_EX                                              '%C3%A4%C3%B6%C3%BC%C3%9F'
          2        FETCH_CLASS_CONSTANT                             ~2      'Normalizer', 'FORM_D'
          3        SEND_VAL_EX                                              ~2
          4        DO_FCALL                                      0  $3      
          5        ASSIGN                                                   !0, $3
    4     6        INIT_STATIC_METHOD_CALL                                  'Normalizer', 'normalize'
          7        SEND_VAL_EX                                              'T%C3%A4%C3%B6%C3%BC%C3%9Ftstring'
          8        FETCH_CLASS_CONSTANT                             ~5      'Normalizer', 'FORM_C'
          9        SEND_VAL_EX                                              ~5
         10        DO_FCALL                                      0  $6      
         11        ASSIGN                                                   !1, $6
    6    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'strpos'
         14        SEND_VAR                                                 !1
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                         $8      
         17        SEND_VAR                                                 $8
         18        DO_ICALL                                                 
    7    19        INIT_FCALL                                               'var_dump'
         20        INIT_FCALL                                               'mb_strpos'
         21        SEND_VAR                                                 !1
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $10     
         24        SEND_VAR                                                 $10
         25        DO_ICALL                                                 
    8    26        INIT_FCALL                                               'var_dump'
         27        INIT_FCALL_BY_NAME                                       'grapheme_Strpos'
         28        SEND_VAR_EX                                              !1
         29        SEND_VAR_EX                                              !0
         30        DO_FCALL                                      0  $12     
         31        SEND_VAR                                                 $12
         32        DO_ICALL                                                 
         33      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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