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<?php if (preg_match("/^[a-z\s\.\-,'àâçéèêëîïôûùüÿñæœ]+$/i", '1 23')) { echo "true"; } else { echo "false"; };
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jpUgM
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5Ba-z%5Cs%5C.%5C-%2C%27%C3%83%C2%A0%C3%83%C2%A2%C3%83%C2%A7%C3%83%C2%A9%C3%83%C2%A8%C3%83%C2%AA%C3%83%C2%AB%C3%83%C2%AE%C3%83%C2%AF%C3%83%C2%B4%C3%83%C2%BB%C3%83%C2%B9%C3%83%C2%BC%C3%83%C2%BF%C3%83%C2%B1%C3%83%C2%A6%C3%85%E2%80%9C%5D%2B%24%2Fi'
          2        SEND_VAL                                                 '1++23'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->7
    6     5    >   ECHO                                                     'true'
          6      > JMP                                                      ->8
    8     7    >   ECHO                                                     'false'
    9     8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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