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<?php $stringA = 'INTËRÑÂTÎÔNÆLÍZÀTIØN'; $stringB = 'Intërñâtîônælízàtiøn'; echo 'strcasecmp():',PHP_EOL; var_dump(strcasecmp($stringA, $stringB) === 0); echo PHP_EOL,'strnatcasecmp():',PHP_EOL; var_dump(strnatcasecmp($stringA, $stringB) === 0); echo PHP_EOL,'str_ireplace():',PHP_EOL; var_dump(str_ireplace($stringA, '', $stringB, $count) === '' && $count === 1); echo PHP_EOL,'preg_match():',PHP_EOL; var_dump(preg_match('`^' . preg_quote($stringA, '`') . '$`i', $stringB) === 1);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 35, Position 2 = 37
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 37
filename:       /in/JOG1e
function name:  (null)
number of ops:  57
compiled vars:  !0 = $stringA, !1 = $stringB, !2 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'INT%C3%8BR%C3%91%C3%82T%C3%8E%C3%94N%C3%86L%C3%8DZ%C3%80TI%C3%98N'
    4     1        ASSIGN                                                   !1, 'Int%C3%ABr%C3%B1%C3%A2t%C3%AE%C3%B4n%C3%A6l%C3%ADz%C3%A0ti%C3%B8n'
    6     2        ECHO                                                     'strcasecmp%28%29%3A'
          3        ECHO                                                     '%0A'
    7     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'strcasecmp'
          6        SEND_VAR                                                 !0
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $5      
          9        IS_IDENTICAL                                     ~6      $5, 0
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
    9    12        ECHO                                                     '%0A'
         13        ECHO                                                     'strnatcasecmp%28%29%3A'
         14        ECHO                                                     '%0A'
   10    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'strnatcasecmp'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $8      
         20        IS_IDENTICAL                                     ~9      $8, 0
         21        SEND_VAL                                                 ~9
         22        DO_ICALL                                                 
   12    23        ECHO                                                     '%0A'
         24        ECHO                                                     'str_ireplace%28%29%3A'
         25        ECHO                                                     '%0A'
   13    26        INIT_FCALL                                               'var_dump'
         27        INIT_FCALL                                               'str_ireplace'
         28        SEND_VAR                                                 !0
         29        SEND_VAL                                                 ''
         30        SEND_VAR                                                 !1
         31        SEND_REF                                                 !2
         32        DO_ICALL                                         $11     
         33        IS_IDENTICAL                                     ~12     $11, ''
         34      > JMPZ_EX                                          ~12     ~12, ->37
         35    >   IS_IDENTICAL                                     ~13     !2, 1
         36        BOOL                                             ~12     ~13
         37    >   SEND_VAL                                                 ~12
         38        DO_ICALL                                                 
   15    39        ECHO                                                     '%0A'
         40        ECHO                                                     'preg_match%28%29%3A'
         41        ECHO                                                     '%0A'
   16    42        INIT_FCALL                                               'var_dump'
         43        INIT_FCALL                                               'preg_match'
         44        INIT_FCALL                                               'preg_quote'
         45        SEND_VAR                                                 !0
         46        SEND_VAL                                                 '%60'
         47        DO_ICALL                                         $15     
         48        CONCAT                                           ~16     '%60%5E', $15
         49        CONCAT                                           ~17     ~16, '%24%60i'
         50        SEND_VAL                                                 ~17
         51        SEND_VAR                                                 !1
         52        DO_ICALL                                         $18     
         53        IS_IDENTICAL                                     ~19     $18, 1
         54        SEND_VAL                                                 ~19
         55        DO_ICALL                                                 
         56      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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