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<?php var_dump(preg_match('/\.((tar\.(gz|bz|bz2|z|lzo))|cpio\.gz|ps\.gz|xcf\.(gz|bz2)|[a-z0-9]{1,4})$/i', 'php.php.tar', $m));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NAQS7
function name:  (null)
number of ops:  9
compiled vars:  !0 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5C.%28%28tar%5C.%28gz%7Cbz%7Cbz2%7Cz%7Clzo%29%29%7Ccpio%5C.gz%7Cps%5C.gz%7Cxcf%5C.%28gz%7Cbz2%29%7C%5Ba-z0-9%5D%7B1%2C4%7D%29%24%2Fi'
    4     3        SEND_VAL                                                 'php.php.tar'
          4        SEND_REF                                                 !0
    3     5        DO_ICALL                                         $1      
    4     6        SEND_VAR                                                 $1
    3     7        DO_ICALL                                                 
    4     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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