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<?php $stringA = 'INTËRÑÂTÎÔNÆLÍZÀTIØN'; $stringB = 'Intërñâtîônælízàtiøn'; echo 'strcasecmp():',PHP_EOL; var_dump(strcasecmp($stringA, $stringB)); echo PHP_EOL,'strnatcasecmp():',PHP_EOL; var_dump(strnatcasecmp($stringA, $stringB)); echo PHP_EOL,'str_ireplace():',PHP_EOL; var_dump(str_ireplace($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 = 33, Position 2 = 35
Branch analysis from position: 33
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 35
filename:       /in/u8T2L
function name:  (null)
number of ops:  55
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        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
    9    11        ECHO                                                     '%0A'
         12        ECHO                                                     'strnatcasecmp%28%29%3A'
         13        ECHO                                                     '%0A'
   10    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'strnatcasecmp'
         16        SEND_VAR                                                 !0
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $7      
         19        SEND_VAR                                                 $7
         20        DO_ICALL                                                 
   12    21        ECHO                                                     '%0A'
         22        ECHO                                                     'str_ireplace%28%29%3A'
         23        ECHO                                                     '%0A'
   13    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'str_ireplace'
         26        SEND_VAR                                                 !0
         27        SEND_VAL                                                 ''
         28        SEND_VAR                                                 !1
         29        SEND_REF                                                 !2
         30        DO_ICALL                                         $9      
         31        IS_IDENTICAL                                     ~10     $9, ''
         32      > JMPZ_EX                                          ~10     ~10, ->35
         33    >   IS_IDENTICAL                                     ~11     !2, 1
         34        BOOL                                             ~10     ~11
         35    >   SEND_VAL                                                 ~10
         36        DO_ICALL                                                 
   15    37        ECHO                                                     '%0A'
         38        ECHO                                                     'preg_match%28%29%3A'
         39        ECHO                                                     '%0A'
   16    40        INIT_FCALL                                               'var_dump'
         41        INIT_FCALL                                               'preg_match'
         42        INIT_FCALL                                               'preg_quote'
         43        SEND_VAR                                                 !0
         44        SEND_VAL                                                 '%60'
         45        DO_ICALL                                         $13     
         46        CONCAT                                           ~14     '%60%5E', $13
         47        CONCAT                                           ~15     ~14, '%24%60i'
         48        SEND_VAL                                                 ~15
         49        SEND_VAR                                                 !1
         50        DO_ICALL                                         $16     
         51        IS_IDENTICAL                                     ~17     $16, 1
         52        SEND_VAL                                                 ~17
         53        DO_ICALL                                                 
         54      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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